Weather alerts in Iowa, 2006
1,189 weather alerts in 2006, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2006. Tap one for its archive.
- Alerts
- 1,189
- Warnings
- 732
- Watches
- 105
- Advisories
- 171
- Busiest month
- April217 alerts
- Busiest day
- April 14, 200645 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 31, 9:12 PM CST | Winter Storm Watch | FSD | Lyon, Osceola, Sioux | 46 days |
| Jan 1, 3:48 AM CST | Freezing Rain Advisory | DMX | Bremer, Butler, Calhoun, Cerro Gordo, Emmet, Franklin and 10 more | 24 hr |
| Jan 1, 4:01 AM CST | Winter Weather Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 24 hr |
| Jan 1, 10:15 AM CST | Freezing Rain Advisory | FSD | Buena Vista, Cherokee, Clay, Ida, O'Brien, Plymouth and 2 more | 6 hr |
| Jan 1, 3:28 PM CST | Winter Weather Advisory | OAX | Monona | 12 hr |
| Jan 1, 3:47 PM CST | Winter Weather Advisory | ARX | Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 20 hr |
| Jan 1, 3:50 PM CST | Winter Weather Advisory | DMX | Emmet, Hancock, Kossuth, Palo Alto, Pocahontas, Winnebago and 1 more | 20 hr |
| Jan 1, 6:38 PM CST | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 5 more | 4 hr |
| Jan 2, 2:25 AM CST | Severe Thunderstorm Warning | DMX | Decatur | 50 min |
| Jan 2, 4:31 AM CST | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Jefferson, Lee, Van Buren and 1 more | 59 min |
| Jan 2, 6:11 AM CST | Winter Weather Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 3 hr |
| Jan 2, 9:58 PM CST | Dense Fog Advisory | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 11 hr |
| Jan 3, 6:05 AM CST | Dense Fog Advisory | FSD | Buena Vista, Cherokee, Ida, Lyon, O'Brien, Plymouth and 2 more | 6 hr |
| Jan 3, 9:26 AM CST | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 3 hr |
| Jan 3, 5:27 PM CST | Dense Fog Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 2 more | 4 hr |
| Jan 3, 6:08 PM CST | Dense Fog Advisory | DMX | Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Emmet and 17 more | 9 hr |
| Jan 3, 6:18 PM CST | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 12 hr |
| Jan 3, 6:24 PM CST | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 9 hr |
| Jan 10, 5:59 PM CST | Winter Weather Advisory | DVN | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 8 more | 9 hr |
| Jan 20, 3:04 AM CST | Winter Weather Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 23 hr |
| Jan 20, 3:28 AM CST | Snow Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 14 hr |
| Jan 20, 4:20 AM CST | Snow Advisory | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 20 more | 17 hr |
| Jan 20, 10:32 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 56 more | 5 hr |
| Jan 20, 11:21 AM CST | Winter Storm Warning | DVN | Des Moines, Henry, Lee, Van Buren | 15 hr |
| Jan 20, 3:39 PM CST | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Cedar, Clayton and 18 more | 6 hr |
| Jan 20, 3:45 PM CST | Snow Advisory | ARX | Allamakee, Clayton, Fayette, Winneshiek | 5 hr |
| Jan 23, 3:03 PM CST | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 25 hr |
| Jan 23, 3:37 PM CST | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 26 hr |
| Jan 23, 3:55 PM CST | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 25 hr |
| Jan 24, 2:56 AM CST | Wind Advisory | OAX | Harrison, Mills, Monona, Montgomery, Page, Pottawattamie and 1 more | 13 hr |
| Jan 24, 3:17 AM CST | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 15 hr |
| Jan 24, 3:51 AM CST | High Wind Warning | DMX | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 30 more | 13 hr |
| Jan 26, 3:13 AM CST | Wind Advisory | OAX | Monona | 15 hr |
| Jan 26, 3:50 AM CST | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 18 hr |
| Feb 14, 3:20 PM CST | Winter Storm Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 54 hr |
| Feb 14, 3:30 PM CST | Winter Storm Watch | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 21 more | 51 hr |
| Feb 14, 3:39 PM CST | Winter Storm Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 12 hr |
| Feb 14, 3:40 PM CST | Winter Storm Watch | OAX | Harrison, Monona, Shelby | 44 hr |
| Feb 14, 3:42 PM CST | Winter Storm Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 24 hr |
| Feb 15, 3:45 AM CST | Winter Storm Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 27 hr |
| Feb 15, 4:07 AM CST | Winter Storm Warning | OAX | Monona | 32 hr |
| Feb 15, 10:24 AM CST | Winter Storm Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 35 hr |
| Feb 15, 11:18 AM CST | Winter Storm Warning | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 21 more | 31 hr |
| Feb 15, 3:27 PM CST | Winter Weather Advisory | DMX | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 25 more | 27 hr |
| Feb 15, 3:27 PM CST | Freezing Rain Advisory | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Mahaska and 3 more | 19 hr |
| Feb 15, 3:37 PM CST | Winter Storm Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 26 hr |
| Feb 15, 3:37 PM CST | Winter Weather Advisory | DVN | Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 10 more | 26 hr |
| Feb 15, 3:44 PM CST | Snow and Blowing Snow Advisory | OAX | Harrison, Monona, Shelby | 24 hr |
| Feb 15, 3:44 PM CST | Winter Weather Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 24 hr |
| Feb 16, 3:33 AM CST | Winter Weather Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 15 hr |
| Feb 16, 4:32 AM CST | Ice Storm Warning | DVN | Cedar, Clinton, Iowa, Jackson, Johnson, Jones and 2 more | 7 hr |
| Feb 16, 5:16 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 85 more | 5 hr |
| Feb 16, 3:54 PM CST | Wind Chill Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 30 hr |
| Feb 16, 9:01 PM CST | Wind Chill Advisory | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 27 more | 27 hr |
| Feb 16, 9:20 PM CST | Wind Chill Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 33 hr |
| Feb 17, 2:13 AM CST | Wind Chill Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 33 hr |
| Feb 17, 3:16 AM CST | Wind Chill Advisory | OAX | Harrison, Monona, Shelby | 13 hr |
| Mar 4, 3:37 PM CST | Winter Weather Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 11 more | 24 hr |
| Mar 5, 12:32 AM CST | Mesoscale Discussion | SPC | Benton, Buchanan, Cedar, Clayton, Clinton, Delaware and 10 more | 6 hr |
| Mar 5, 3:48 AM CST | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 14 hr |
| Mar 5, 3:48 AM CST | Winter Weather Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 3 more | 8 hr |
| Mar 5, 9:30 PM CST | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 6 hr |
| Mar 7, 10:11 AM CST | Severe Thunderstorm Warning | FSD | Woodbury | 30 min |
| Mar 7, 10:23 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 41 more | 2 hr |
| Mar 7, 10:32 AM CST | Severe Thunderstorm Warning | OAX | Monona | 21 min |
| Mar 7, 10:36 AM CST | Severe Thunderstorm Warning | OAX | Pottawattamie | 19 min |
| Mar 7, 11:10 AM CST | Severe Thunderstorm Warning | DMX | Audubon | 35 min |
| Mar 7, 11:15 AM CST | Severe Thunderstorm Warning | FSD | Buena Vista | 30 min |
| Mar 7, 5:16 PM CST | Mesoscale Discussion | SPC | Appanoose, Davis, Henry, Jefferson, Lee, Van Buren | 119 min |
| Mar 8, 4:08 PM CST | Severe Thunderstorm Warning | DMX | Warren | 48 min |
| Mar 8, 4:21 PM CST | Severe Thunderstorm Warning | DMX | Marion | 39 min |
| Mar 8, 4:34 PM CST | Severe Thunderstorm Warning | DMX | Jasper, Marion, Warren | 26 min |
| Mar 8, 4:46 PM CST | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Cedar, Clarke, Davis, Decatur and 19 more | 5 hr |
| Mar 8, 5:00 PM CST | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 20 min |
| Mar 8, 5:03 PM CST | Severe Thunderstorm Warning | DMX | Marion | 21 min |
| Mar 8, 5:10 PM CST | Severe Thunderstorm Warning | DMX | Madison | 44 min |
| Mar 8, 5:17 PM CST | Severe Thunderstorm Warning | DMX | Polk, Warren | 43 min |
| Mar 8, 5:17 PM CST | Severe Thunderstorm Warning | DMX | Wayne | 43 min |
| Mar 8, 5:26 PM CST | Severe Thunderstorm Warning | DMX | Poweshiek | 21 min |
| Mar 8, 5:43 PM CST | Severe Thunderstorm Warning | DVN | Iowa | 35 min |
| Mar 8, 5:44 PM CST | Severe Thunderstorm Warning | DMX | Tama | 31 min |
| Mar 8, 5:44 PM CST | Severe Thunderstorm Warning | DMX | Appanoose | 46 min |
| Mar 8, 5:59 PM CST | Severe Thunderstorm Warning | DMX | Jasper, Polk, Warren | 46 min |
| Mar 8, 6:12 PM CST | Severe Thunderstorm Warning | DMX | Black Hawk | 23 min |
| Mar 8, 6:22 PM CST | Severe Thunderstorm Warning | DMX | Poweshiek | 38 min |
| Mar 8, 6:23 PM CST | Severe Thunderstorm Warning | DMX | Madison | 29 min |
| Mar 8, 6:35 PM CST | Severe Thunderstorm Warning | DMX | Dallas | 40 min |
| Mar 8, 6:38 PM CST | Severe Thunderstorm Warning | DVN | Cedar | 60 min |
| Mar 8, 6:56 PM CST | Severe Thunderstorm Warning | DMX | Polk | 49 min |
| Mar 8, 7:03 PM CST | Severe Thunderstorm Warning | DVN | Clinton | 42 min |
| Mar 8, 7:19 PM CST | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 36 min |
| Mar 8, 7:25 PM CST | Severe Thunderstorm Warning | DMX | Jasper, Polk | 35 min |
| Mar 8, 7:46 PM CST | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Davis, Des Moines, Henry and 17 more | 89 min |
| Mar 8, 7:49 PM CST | Severe Thunderstorm Warning | DVN | Henry | 41 min |
| Mar 9, 4:23 AM CST | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 12 more | 8 hr |
| Mar 11, 3:30 AM CST | Winter Storm Watch | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 1 more | 24 hr |
| Mar 11, 2:22 PM CST | Tornado Watch | SPC | Clinton, Des Moines, Lee, Louisa, Muscatine, Scott | 8 hr |
| Mar 12, 3:37 AM CST | Snow Advisory | FSD | Buena Vista, Cherokee, Clay, Ida, O'Brien, Plymouth and 1 more | 8 hr |
| Mar 12, 3:37 AM CST | Winter Storm Warning | FSD | Dickinson, Lyon, Osceola, Sioux | 29 hr |
| Mar 12, 4:21 AM CST | Snow Advisory | DMX | Emmet, Hancock, Kossuth, Palo Alto, Pocahontas, Winnebago and 1 more | 12 hr |
| Mar 12, 10:07 AM CST | Severe Thunderstorm Warning | OAX | Fremont | 23 min |
| Mar 12, 10:50 AM CST | Winter Weather Advisory | FSD | Buena Vista, Cherokee, Clay, Ida, O'Brien, Plymouth and 2 more | 22 hr |
| Mar 12, 12:10 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 29 more | 95 min |
| Mar 12, 12:41 PM CST | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 45 min |
| Mar 12, 1:13 PM CST | Severe Thunderstorm Warning | DMX | Davis | 39 min |
| Mar 12, 1:43 PM CST | Severe Thunderstorm Warning | DVN | Van Buren | 47 min |
| Mar 12, 2:03 PM CST | Severe Thunderstorm Warning | DVN | Jefferson | 22 min |
| Mar 12, 2:33 PM CST | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Johnson, Jones and 4 more | 87 min |
| Mar 12, 2:45 PM CST | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Louisa | 28 min |
| Mar 12, 3:59 PM CST | Blowing Snow Advisory | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 18 more | 12 hr |
| Mar 12, 3:59 PM CST | Snow and Blowing Snow Advisory | DMX | Calhoun, Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth and 5 more | 20 hr |
| Mar 12, 4:22 PM CST | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Iowa, Jefferson and 8 more | 53 min |
| Mar 12, 4:49 PM CST | Tornado Watch | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 5 hr |
| Mar 12, 5:42 PM CST | Severe Thunderstorm Warning | DVN | Van Buren | 30 min |
| Mar 12, 5:48 PM CST | Severe Thunderstorm Warning | DVN | Henry | 42 min |
| Mar 12, 6:20 PM CST | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 40 min |
| Mar 12, 6:58 PM CST | Severe Thunderstorm Warning | DMX | Polk | 31 min |
| Mar 12, 7:02 PM CST | Severe Thunderstorm Warning | DMX | Davis | 28 min |
| Mar 12, 7:14 PM CST | Severe Thunderstorm Warning | DVN | Des Moines | 28 min |
| Mar 12, 7:15 PM CST | Mesoscale Discussion | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 16 more | 90 min |
| Mar 12, 7:18 PM CST | Severe Thunderstorm Warning | DVN | Van Buren | 21 min |
| Mar 12, 7:25 PM CST | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 50 min |
| Mar 12, 7:28 PM CST | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Buchanan, Cedar, Clinton, Davis and 21 more | 7 hr |
| Mar 12, 7:35 PM CST | Severe Thunderstorm Warning | DVN | Louisa | 28 min |
| Mar 12, 7:53 PM CST | Severe Thunderstorm Warning | DMX | Wapello | 52 min |
| Mar 12, 8:08 PM CST | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 52 min |
| Mar 12, 8:08 PM CST | Severe Thunderstorm Warning | DVN | Muscatine | 32 min |
| Mar 12, 8:16 PM CST | Severe Thunderstorm Warning | DVN | Washington | 44 min |
| Mar 12, 8:21 PM CST | Tornado Warning | DMX | Davis | 24 min |
| Mar 12, 8:26 PM CST | Severe Thunderstorm Warning | DVN | Scott | 49 min |
| Mar 12, 8:32 PM CST | Tornado Warning | DVN | Van Buren | 43 min |
| Mar 12, 8:42 PM CST | Tornado Watch | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 7 hr |
| Mar 12, 8:44 PM CST | Severe Thunderstorm Warning | DVN | Jefferson | 38 min |
| Mar 12, 8:44 PM CST | Severe Thunderstorm Warning | DVN | Cedar | 31 min |
| Mar 12, 9:00 PM CST | Severe Thunderstorm Warning | DVN | Des Moines | 60 min |
| Mar 12, 9:08 PM CST | Tornado Warning | DVN | Lee | 52 min |
| Mar 12, 9:12 PM CST | Severe Thunderstorm Warning | DVN | Clinton | 24 min |
| Mar 12, 9:19 PM CST | Flash Flood Warning | DVN | Clinton, Muscatine, Scott | 4 hr |
| Mar 12, 9:35 PM CST | Tornado Warning | DVN | Des Moines, Lee | 31 min |
| Mar 12, 11:20 PM CST | Severe Thunderstorm Warning | DMX | Wapello | 19 min |
| Mar 12, 11:52 PM CST | Mesoscale Discussion | SPC | Cedar, Clinton, Davis, Iowa, Jackson, Jefferson and 10 more | 83 min |
| Mar 13, 12:04 AM CST | Severe Thunderstorm Warning | DMX | Marshall | 26 min |
| Mar 13, 12:31 AM CST | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy | 44 min |
| Mar 13, 1:06 AM CST | Severe Thunderstorm Warning | DVN | Buchanan | 13 min |
| Mar 13, 1:11 AM CST | Severe Thunderstorm Warning | ARX | Fayette | 32 min |
| Mar 13, 1:59 AM CST | Severe Thunderstorm Warning | DVN | Dubuque | 28 min |
| Mar 13, 7:29 AM CST | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 11 hr |
| Mar 13, 7:32 AM CST | Wind Advisory | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 39 more | 8 hr |
| Mar 13, 9:37 AM CST | Winter Weather Advisory | ARX | Mitchell | 6 hr |
| Mar 13, 9:38 AM CST | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 1 more | 6 hr |
| Mar 14, 2:06 PM CST | Winter Storm Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 49 hr |
| Mar 15, 3:45 AM CST | Winter Storm Watch | DVN | Buchanan, Delaware, Dubuque, Jackson | 11 hr |
| Mar 15, 3:50 AM CST | Snow Advisory | FSD | Dickinson | 10 hr |
| Mar 15, 4:05 AM CST | Winter Storm Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 35 hr |
| Mar 15, 4:20 AM CST | Winter Storm Watch | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 7 more | 11 hr |
| Mar 15, 2:07 PM CST | Winter Weather Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 21 hr |
| Mar 15, 2:26 PM CST | Winter Storm Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 3 more | 19 hr |
| Mar 15, 2:26 PM CST | Winter Weather Advisory | DVN | Benton, Cedar, Clinton, Jones, Linn | 6 hr |
| Mar 15, 3:37 PM CST | Winter Storm Warning | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 7 more | 18 hr |
| Mar 15, 3:37 PM CST | Winter Weather Advisory | DMX | Grundy, Hamilton, Hardin, Pocahontas, Tama, Webster | 19 hr |
| Mar 15, 8:55 PM CST | Winter Weather Advisory | DVN | Iowa, Johnson, Muscatine, Scott | 12 hr |
| Mar 16, 2:46 AM CST | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 21 more | 6 hr |
| Mar 16, 9:34 AM CST | Winter Weather Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 7 more | 5 hr |
| Mar 16, 1:09 PM CST | Mesoscale Discussion | SPC | Clayton, Delaware, Dubuque, Jackson | 5 hr |
| Mar 17, 3:51 PM CST | Winter Storm Watch | FSD | Plymouth, Woodbury | 24 hr |
| Mar 18, 4:20 AM CST | Winter Weather Advisory | FSD | Buena Vista, Cherokee, Ida, Plymouth, Woodbury | 3 days |
| Mar 18, 4:47 AM CST | Snow Advisory | OAX | Monona | 35 hr |
| Mar 18, 4:47 AM CST | Winter Storm Warning | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie | 71 hr |
| Mar 18, 4:47 AM CST | Winter Weather Advisory | OAX | Harrison, Pottawattamie | 35 hr |
| Mar 18, 3:49 PM CST | Winter Storm Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 15 hr |
| Mar 19, 3:40 AM CST | Winter Storm Watch | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 14 more | 48 hr |
| Mar 19, 3:12 PM CST | Winter Storm Watch | DVN | Lee, Van Buren | 24 hr |
| Mar 19, 3:49 PM CST | Winter Storm Warning | DMX | Adams, Appanoose, Clarke, Davis, Decatur, Ringgold and 3 more | 36 hr |
| Mar 19, 3:54 PM CST | Winter Weather Advisory | OAX | Harrison, Mills, Monona, Pottawattamie, Shelby | 42 hr |
| Mar 20, 3:54 AM CST | Snow Advisory | DMX | Adair, Appanoose, Audubon, Carroll, Cass, Crawford and 11 more | 12 hr |
| Mar 20, 12:48 PM CST | Mesoscale Discussion | SPC | Crawford, Fremont, Harrison, Ida, Mills, Monona and 5 more | 5 hr |
| Mar 20, 2:55 PM CST | Winter Storm Warning | DVN | Lee, Van Buren | 21 hr |
| Mar 20, 2:55 PM CST | Winter Weather Advisory | DVN | Des Moines, Henry, Iowa, Jefferson, Johnson, Keokuk and 3 more | 21 hr |
| Mar 20, 3:54 PM CST | Snow and Blowing Snow Advisory | DMX | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 18 more | 12 hr |
| Mar 20, 7:31 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 45 more | 5 hr |
| Mar 21, 3:54 AM CST | Snow Advisory | DMX | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 16 more | 6 hr |
| Mar 28, 4:00 AM CST | Dense Fog Advisory | FSD | Clay, Dickinson, O'Brien, Osceola | 6 hr |
| Mar 30, 7:01 AM CST | Severe Thunderstorm Warning | OAX | Pottawattamie | 28 min |
| Mar 30, 7:18 AM CST | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Sac | 27 min |
| Mar 30, 7:29 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 25 more | 2 hr |
| Mar 30, 12:03 PM CST | Mesoscale Discussion | SPC | Cherokee, Lyon, Monona, O'Brien, Osceola, Plymouth and 2 more | 117 min |
| Mar 30, 12:08 PM CST | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 26 min |
| Mar 30, 1:22 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 35 more | 113 min |
| Mar 30, 1:24 PM CST | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 36 min |
| Mar 30, 1:56 PM CST | Severe Thunderstorm Warning | FSD | Lyon | 19 min |
| Mar 30, 2:15 PM CST | Tornado Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 20 more | 8 hr |
| Mar 30, 3:01 PM CST | Severe Thunderstorm Warning | OAX | Harrison | 18 min |
| Mar 30, 3:06 PM CST | Severe Thunderstorm Warning | DMX | Crawford | 39 min |
| Mar 30, 3:10 PM CST | Severe Thunderstorm Warning | DMX | Ringgold, Union | 21 min |
| Mar 30, 3:16 PM CST | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 27 hr |
| Mar 30, 3:32 PM CST | Severe Thunderstorm Warning | FSD | Woodbury | 43 min |
| Mar 30, 3:45 PM CST | Severe Thunderstorm Warning | OAX | Harrison, Monona | 60 min |
| Mar 30, 3:52 PM CST | Severe Thunderstorm Warning | FSD | Plymouth | 23 min |
| Mar 30, 4:02 PM CST | Severe Thunderstorm Warning | OAX | Fremont, Mills | 37 min |
| Mar 30, 4:05 PM CST | Tornado Warning | OAX | Pottawattamie | 25 min |
| Mar 30, 4:08 PM CST | Tornado Warning | OAX | Harrison | 37 min |
| Mar 30, 4:13 PM CST | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 32 min |
| Mar 30, 4:23 PM CST | Severe Thunderstorm Warning | OAX | Monona | 37 min |
| Mar 30, 4:26 PM CST | Severe Thunderstorm Warning | OAX | Montgomery, Page | 49 min |
| Mar 30, 4:26 PM CST | Severe Thunderstorm Warning | OAX | Pottawattamie | 31 min |
| Mar 30, 4:34 PM CST | Tornado Warning | OAX | Shelby | 20 min |
| Mar 30, 4:37 PM CST | Severe Thunderstorm Warning | DMX | Crawford | 38 min |
| Mar 30, 4:49 PM CST | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 41 min |
| Mar 30, 4:53 PM CST | Tornado Warning | OAX | Montgomery | 17 min |
| Mar 30, 5:02 PM CST | Severe Thunderstorm Warning | DMX | Adams, Cass | 28 min |
| Mar 30, 5:11 PM CST | Severe Thunderstorm Warning | DMX | Taylor | 49 min |
| Mar 30, 5:13 PM CST | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Sac | 32 min |
| Mar 30, 5:23 PM CST | Severe Thunderstorm Warning | DMX | Adair, Adams | 32 min |
| Mar 30, 5:26 PM CST | Severe Thunderstorm Warning | FSD | Buena Vista | 19 min |
| Mar 30, 5:30 PM CST | Severe Thunderstorm Warning | DMX | Polk, Warren | 19 min |
| Mar 30, 5:32 PM CST | Severe Thunderstorm Warning | DMX | Guthrie | 28 min |
| Mar 30, 5:38 PM CST | Tornado Warning | DMX | Polk | 37 min |
| Mar 30, 5:40 PM CST | Severe Thunderstorm Warning | DMX | Greene | 35 min |
| Mar 30, 5:40 PM CST | Severe Thunderstorm Warning | DMX | Ringgold, Union | 50 min |
| Mar 30, 5:42 PM CST | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Bremer, Butler, Cerro Gordo and 27 more | 93 min |
| Mar 30, 5:43 PM CST | Severe Thunderstorm Warning | DMX | Humboldt, Webster | 32 min |
| Mar 30, 5:44 PM CST | Severe Thunderstorm Warning | DMX | Madison | 46 min |
| Mar 30, 5:51 PM CST | Severe Thunderstorm Warning | DMX | Dallas | 24 min |
| Mar 30, 5:58 PM CST | Severe Thunderstorm Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 51 more | 6 hr |
| Mar 30, 6:00 PM CST | Tornado Warning | DMX | Union | 30 min |
| Mar 30, 6:08 PM CST | Severe Thunderstorm Warning | DMX | Boone | 52 min |
| Mar 30, 6:09 PM CST | Severe Thunderstorm Warning | DVN | Iowa, Keokuk | 51 min |
| Mar 30, 6:13 PM CST | Severe Thunderstorm Warning | DMX | Dallas, Polk | 47 min |
| Mar 30, 6:17 PM CST | Severe Thunderstorm Warning | DMX | Clarke | 43 min |
| Mar 30, 6:19 PM CST | Severe Thunderstorm Warning | DMX | Hancock | 41 min |
| Mar 30, 6:24 PM CST | Severe Thunderstorm Warning | DMX | Story | 36 min |
| Mar 30, 6:27 PM CST | Severe Thunderstorm Warning | DMX | Hamilton | 33 min |
| Mar 30, 6:41 PM CST | Severe Thunderstorm Warning | DMX | Hardin | 34 min |
| Mar 30, 6:44 PM CST | Severe Thunderstorm Warning | DMX | Wright | 46 min |
| Mar 30, 6:47 PM CST | Severe Thunderstorm Warning | DMX | Marshall | 43 min |
| Mar 30, 6:50 PM CST | Severe Thunderstorm Warning | DMX | Jasper | 40 min |
| Mar 30, 6:52 PM CST | Severe Thunderstorm Warning | DMX | Franklin | 53 min |
| Mar 30, 6:55 PM CST | Severe Thunderstorm Warning | DMX | Cerro Gordo | 50 min |
| Mar 30, 7:01 PM CST | Severe Thunderstorm Warning | DMX | Hancock | 29 min |
| Mar 30, 7:03 PM CST | Severe Thunderstorm Warning | DMX | Warren | 27 min |
| Mar 30, 7:07 PM CST | Severe Thunderstorm Warning | DMX | Butler, Grundy | 53 min |
| Mar 30, 7:16 PM CST | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 44 min |
| Mar 30, 7:29 PM CST | Severe Thunderstorm Warning | DMX | Worth | 36 min |
| Mar 30, 8:02 PM CST | Tornado Warning | DMX | Ringgold | 28 min |
| Mar 30, 8:23 PM CST | Tornado Warning | DMX | Decatur | 37 min |
| Mar 30, 8:26 PM CST | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 49 min |
| Mar 30, 8:29 PM CST | Mesoscale Discussion | SPC | Decatur | 91 min |
| Mar 30, 8:50 PM CST | Tornado Warning | DMX | Clarke | 25 min |
| Mar 30, 8:50 PM CST | Tornado Warning | DMX | Clarke | 25 min |
| Mar 30, 9:05 PM CST | Tornado Warning | DMX | Lucas | 25 min |
| Mar 30, 9:10 PM CST | Severe Thunderstorm Warning | DVN | Lee | 50 min |
| Mar 30, 11:08 PM CST | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Muscatine, Scott | 67 min |
| Mar 31, 3:31 AM CST | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 14 hr |
| Mar 31, 7:33 AM CST | Wind Advisory | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 32 more | 10 hr |
| Mar 31, 9:21 AM CST | Wind Advisory | OAX | Harrison, Monona, Shelby | 7 hr |
| Mar 31, 10:26 AM CST | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 8 hr |
| Apr 1, 3:55 PM CST | Flood Watch | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 21 more | 23 hr |
| Apr 2, 12:14 AM CST | Severe Thunderstorm Warning | DMX | Audubon, Cass | 46 min |
| Apr 2, 12:30 AM CST | Severe Thunderstorm Warning | DMX | Sac | 37 min |
| Apr 2, 1:31 AM CST | Severe Thunderstorm Warning | DMX | Greene | 20 min |
| Apr 2, 12:28 PM CDT | Tornado Watch | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 5 more | 8 hr |
| Apr 2, 1:13 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Cass, Clarke, Dallas and 12 more | 4 hr |
| Apr 2, 2:33 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 42 min |
| Apr 2, 2:41 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 24 min |
| Apr 2, 2:46 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 59 min |
| Apr 2, 2:55 PM CDT | Tornado Warning | DMX | Clarke, Warren | 35 min |
| Apr 2, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 38 min |
| Apr 2, 3:04 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 41 min |
| Apr 2, 3:10 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 36 min |
| Apr 2, 3:10 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 65 min |
| Apr 2, 3:16 PM CDT | Tornado Warning | DMX | Warren | 27 min |
| Apr 2, 3:16 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Davis, Des Moines, Henry, Iowa and 12 more | 89 min |
| Apr 2, 3:22 PM CDT | Tornado Warning | DMX | Davis | 38 min |
| Apr 2, 3:29 PM CDT | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 19 hr |
| Apr 2, 3:30 PM CDT | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 12 hr |
| Apr 2, 3:40 PM CDT | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 12 hr |
| Apr 2, 3:50 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 25 min |
| Apr 2, 3:51 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 1 more | 13 hr |
| Apr 2, 3:54 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 51 min |
| Apr 2, 3:54 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 51 min |
| Apr 2, 3:57 PM CDT | Tornado Warning | DMX | Davis | 18 min |
| Apr 2, 4:00 PM CDT | Tornado Watch | SPC | Keokuk, Louisa, Muscatine, Scott, Washington | 5 hr |
| Apr 2, 4:01 PM CDT | Tornado Warning | DMX | Mahaska, Marion | 44 min |
| Apr 2, 4:14 PM CDT | Tornado Warning | DVN | Henry, Van Buren | 46 min |
| Apr 2, 4:25 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 69 min |
| Apr 2, 4:29 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 46 min |
| Apr 2, 4:29 PM CDT | Severe Thunderstorm Warning | DVN | Washington | 35 min |
| Apr 2, 4:38 PM CDT | Tornado Warning | DMX | Warren | 37 min |
| Apr 2, 4:44 PM CDT | Tornado Warning | DVN | Louisa, Washington | 46 min |
| Apr 2, 4:52 PM CDT | Tornado Warning | DMX | Polk | 23 min |
| Apr 2, 4:54 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 51 min |
| Apr 2, 5:08 PM CDT | Tornado Warning | DVN | Cedar, Johnson, Muscatine | 46 min |
| Apr 2, 5:11 PM CDT | Tornado Warning | DMX | Jasper, Polk | 34 min |
| Apr 2, 5:28 PM CDT | Tornado Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 4 hr |
| Apr 2, 5:33 PM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 57 min |
| Apr 2, 5:41 PM CDT | Tornado Warning | DMX | Jasper | 34 min |
| Apr 2, 5:47 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Scott | 43 min |
| Apr 2, 6:08 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 67 min |
| Apr 5, 8:18 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Washington | 32 min |
| Apr 5, 10:36 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Cass and 33 more | 84 min |
| Apr 5, 11:09 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Appanoose, Audubon, Benton, Boone, Carroll and 36 more | 4 hr |
| Apr 5, 11:26 PM CDT | Severe Thunderstorm Warning | DVN | Washington | 49 min |
| Apr 6, 12:32 AM CDT | Severe Thunderstorm Warning | DVN | Iowa | 28 min |
| Apr 6, 3:39 AM CDT | Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 4 more | 25 hr |
| Apr 6, 3:41 AM CDT | Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 24 hr |
| Apr 6, 4:12 AM CDT | Flood Watch | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 21 more | 29 hr |
| Apr 6, 7:09 AM CDT | Severe Thunderstorm Warning | DMX | Marshall, Tama | 25 min |
| Apr 6, 10:05 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 22 min |
| Apr 6, 10:27 AM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 22 min |
| Apr 6, 10:48 AM CDT | Severe Thunderstorm Warning | DMX | Davis | 12 min |
| Apr 6, 10:49 AM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 56 min |
| Apr 6, 11:19 AM CDT | Mesoscale Discussion | SPC | Cedar, Davis, Des Moines, Henry, Iowa, Jefferson and 11 more | 56 min |
| Apr 6, 11:41 AM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 79 min |
| Apr 6, 12:11 PM CDT | Flood Watch | OAX | Monona | 15 hr |
| Apr 6, 12:22 PM CDT | Wind Advisory | OAX | Monona | 28 hr |
| Apr 6, 12:34 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 56 min |
| Apr 6, 1:00 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 34 min |
| Apr 6, 3:24 PM CDT | Mesoscale Discussion | SPC | Audubon, Carroll, Crawford, Harrison, Ida, Monona and 3 more | 2 hr |
| Apr 6, 3:53 PM CDT | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 24 hr |
| Apr 6, 3:56 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 24 hr |
| Apr 6, 7:12 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Crawford, Fremont and 10 more | 63 min |
| Apr 6, 7:43 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 18 more | 5 hr |
| Apr 6, 9:10 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 46 min |
| Apr 6, 9:11 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 34 min |
| Apr 6, 9:14 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 32 min |
| Apr 6, 9:51 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 54 more | 114 min |
| Apr 11, 5:58 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Calhoun, Carroll, Cass and 12 more | 92 min |
| Apr 11, 6:31 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 29 min |
| Apr 11, 6:56 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 34 min |
| Apr 11, 7:11 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 28 min |
| Apr 11, 7:40 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 50 min |
| Apr 11, 7:41 PM CDT | Severe Thunderstorm Warning | OAX | Page | 28 min |
| Apr 11, 8:03 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 42 min |
| Apr 11, 8:19 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 41 min |
| Apr 11, 8:26 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Union | 49 min |
| Apr 11, 8:31 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 44 min |
| Apr 11, 8:53 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 41 min |
| Apr 11, 9:07 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Story | 38 min |
| Apr 11, 9:18 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 42 min |
| Apr 11, 9:33 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 28 min |
| Apr 11, 9:49 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 37 more | 86 min |
| Apr 13, 4:59 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 29 more | 2 hr |
| Apr 13, 5:32 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 35 more | 6 hr |
| Apr 13, 5:34 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 41 min |
| Apr 13, 6:11 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 49 min |
| Apr 13, 6:13 PM CDT | Severe Thunderstorm Warning | DMX | Story | 32 min |
| Apr 13, 6:18 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 27 min |
| Apr 13, 6:19 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 41 min |
| Apr 13, 6:27 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 32 min |
| Apr 13, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 45 min |
| Apr 13, 6:33 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 42 min |
| Apr 13, 6:40 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 50 min |
| Apr 13, 6:46 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 44 min |
| Apr 13, 6:50 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 55 min |
| Apr 13, 6:58 PM CDT | Tornado Warning | DMX | Tama | 31 min |
| Apr 13, 7:00 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin | 19 min |
| Apr 13, 7:02 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 43 min |
| Apr 13, 7:03 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 42 min |
| Apr 13, 7:16 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 44 min |
| Apr 13, 7:20 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 55 min |
| Apr 13, 7:26 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 49 min |
| Apr 13, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 38 min |
| Apr 13, 7:28 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 62 min |
| Apr 13, 7:32 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 58 min |
| Apr 13, 7:37 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 53 min |
| Apr 13, 7:39 PM CDT | Tornado Warning | DVN | Linn | 51 min |
| Apr 13, 7:45 PM CDT | Tornado Warning | DVN | Benton | 45 min |
| Apr 13, 7:48 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 42 min |
| Apr 13, 7:55 PM CDT | Tornado Warning | DVN | Jones | 65 min |
| Apr 13, 7:57 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 63 min |
| Apr 13, 7:58 PM CDT | Tornado Warning | DVN | Johnson | 62 min |
| Apr 13, 7:58 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 40 more | 92 min |
| Apr 13, 8:07 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 53 min |
| Apr 13, 8:09 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 51 min |
| Apr 13, 8:12 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 63 min |
| Apr 13, 8:16 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 33 min |
| Apr 13, 8:18 PM CDT | Tornado Warning | DVN | Cedar | 57 min |
| Apr 13, 8:23 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 52 min |
| Apr 13, 8:23 PM CDT | Tornado Warning | DVN | Muscatine | 67 min |
| Apr 13, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 62 min |
| Apr 13, 8:46 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 59 min |
| Apr 13, 8:47 PM CDT | Tornado Warning | DVN | Johnson | 58 min |
| Apr 13, 8:53 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 52 min |
| Apr 13, 8:56 PM CDT | Tornado Warning | DVN | Scott | 64 min |
| Apr 13, 8:59 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 43 min |
| Apr 13, 9:07 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 53 min |
| Apr 13, 9:10 PM CDT | Tornado Warning | DVN | Cedar | 49 min |
| Apr 13, 9:14 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 48 min |
| Apr 13, 9:23 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 67 min |
| Apr 13, 9:26 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 37 min |
| Apr 13, 9:26 PM CDT | Tornado Warning | DVN | Muscatine | 39 min |
| Apr 13, 9:34 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 56 min |
| Apr 13, 9:36 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 54 min |
| Apr 13, 10:04 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 56 min |
| Apr 13, 10:28 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 50 min |
| Apr 13, 10:31 PM CDT | Mesoscale Discussion | SPC | Cedar, Clayton, Clinton, Delaware, Dubuque, Jackson and 3 more | 59 min |
| Apr 13, 10:32 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 49 min |
| Apr 13, 10:53 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 34 min |
| Apr 14, 7:20 AM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee, Louisa, Van Buren | 115 min |
| Apr 14, 5:19 PM CDT | Tornado Watch | SPC | Des Moines, Henry, Lee | 4 hr |
| Apr 15, 5:11 AM CDT | Red Flag Warning | FSD | Buena Vista, Clay, Dickinson, Osceola | 14 hr |
| Apr 15, 12:46 PM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 5 hr |
| Apr 15, 2:08 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Ida, O'Brien, Plymouth and 2 more | 5 hr |
| Apr 15, 3:13 PM CDT | Flood Watch | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 6 hr |
| Apr 15, 3:43 PM CDT | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 12 hr |
| Apr 15, 3:44 PM CDT | Flood Watch | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 7 more | 15 hr |
| Apr 15, 5:00 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 27 more | 90 min |
| Apr 15, 5:06 PM CDT | High Wind Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 4 hr |
| Apr 15, 5:28 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 26 more | 7 hr |
| Apr 15, 6:17 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Clarke and 20 more | 88 min |
| Apr 15, 6:29 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 31 min |
| Apr 15, 6:37 PM CDT | Tornado Warning | OAX | Fremont | 23 min |
| Apr 15, 6:41 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 16 more | 94 min |
| Apr 15, 6:50 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 40 min |
| Apr 15, 6:51 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 54 min |
| Apr 15, 6:59 PM CDT | Tornado Warning | OAX | Fremont | 20 min |
| Apr 15, 7:03 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 27 min |
| Apr 15, 7:13 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 47 min |
| Apr 15, 7:19 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 41 min |
| Apr 15, 7:25 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 50 min |
| Apr 15, 7:25 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 35 min |
| Apr 15, 7:34 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 41 min |
| Apr 15, 8:01 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 44 min |
| Apr 15, 8:04 PM CDT | Tornado Warning | OAX | Shelby | 26 min |
| Apr 15, 8:07 PM CDT | Tornado Warning | DMX | Audubon | 23 min |
| Apr 15, 8:14 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 21 min |
| Apr 15, 8:30 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 45 min |
| Apr 15, 8:44 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 21 min |
| Apr 15, 8:53 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 52 min |
| Apr 15, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 66 min |
| Apr 15, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison, Union | 47 min |
| Apr 15, 9:06 PM CDT | Tornado Warning | DMX | Carroll | 22 min |
| Apr 15, 9:14 PM CDT | Mesoscale Discussion | SPC | Appanoose, Boone, Clarke, Dallas, Decatur, Greene and 10 more | 91 min |
| Apr 15, 9:29 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 31 min |
| Apr 15, 10:06 PM CDT | Tornado Warning | DMX | Appanoose | 39 min |
| Apr 15, 10:36 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 39 min |
| Apr 15, 10:39 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 51 min |
| Apr 15, 10:46 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 30 more | 119 min |
| Apr 15, 11:06 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 39 min |
| Apr 16, 7:44 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 30 min |
| Apr 16, 10:57 AM CDT | Mesoscale Discussion | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 41 more | 2 hr |
| Apr 16, 11:01 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 29 min |
| Apr 16, 11:17 AM CDT | Tornado Watch | SPC | Appanoose, Benton, Black Hawk, Boone, Buchanan, Cedar and 34 more | 8 hr |
| Apr 16, 12:32 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 43 min |
| Apr 16, 1:18 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Boone, Buchanan, Cedar and 34 more | 57 min |
| Apr 16, 3:43 PM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Davis, Des Moines, Henry and 11 more | 92 min |
| Apr 18, 2:24 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 10 more | 3 hr |
| Apr 18, 6:27 PM CDT | Mesoscale Discussion | SPC | Appanoose, Boone, Clarke, Dallas, Davis, Decatur and 15 more | 93 min |
| Apr 18, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 53 min |
| Apr 18, 8:03 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 42 min |
| Apr 18, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Boone, Buchanan, Cedar and 35 more | 4 hr |
| Apr 18, 8:28 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 47 min |
| Apr 18, 8:43 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 47 min |
| Apr 18, 8:46 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 44 min |
| Apr 18, 8:51 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 39 min |
| Apr 18, 9:02 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 43 min |
| Apr 18, 9:12 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 48 min |
| Apr 18, 9:14 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 46 min |
| Apr 18, 9:20 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 55 min |
| Apr 18, 9:27 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 37 min |
| Apr 18, 9:38 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 52 min |
| Apr 18, 9:50 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 40 min |
| Apr 18, 9:56 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 49 min |
| Apr 18, 10:36 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 27 more | 114 min |
| Apr 19, 3:56 AM CDT | Wind Advisory | OAX | Harrison, Monona | 15 hr |
| Apr 25, 2:56 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 17 hr |
| Apr 25, 3:27 PM CDT | Frost Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 17 hr |
| Apr 25, 3:27 PM CDT | Freeze Warning | OAX | Harrison, Monona, Shelby | 17 hr |
| Apr 25, 3:40 PM CDT | Frost Advisory | DMX | Adair, Adams, Cass, Dallas, Jasper, Madison and 7 more | 16 hr |
| Apr 25, 3:40 PM CDT | Freeze Warning | DMX | Audubon, Boone, Carroll, Crawford, Greene, Guthrie and 3 more | 16 hr |
| Apr 28, 3:54 AM CDT | Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 60 hr |
| Apr 30, 4:26 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 49 min |
| Apr 30, 4:51 PM CDT | Flash Flood Warning | DVN | Scott | 3 hr |
| Apr 30, 8:44 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton | 23 min |
| May 2, 2:23 PM CDT | Mesoscale Discussion | SPC | Cherokee, Lyon, Monona, O'Brien, Osceola, Plymouth and 2 more | 2 hr |
| May 2, 3:06 PM CDT | Tornado Watch | SPC | Cherokee, Ida, Lyon, Monona, O'Brien, Osceola and 3 more | 7 hr |
| May 2, 5:08 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 24 min |
| May 2, 5:46 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more | 89 min |
| May 2, 7:18 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills | 117 min |
| May 2, 7:56 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 13 more | 94 min |
| May 2, 9:41 PM CDT | Mesoscale Discussion | SPC | Fremont, Page, Ringgold, Taylor | 94 min |
| May 3, 2:59 AM CDT | Mesoscale Discussion | SPC | Page, Taylor | 2 hr |
| May 3, 3:18 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 42 min |
| May 3, 4:33 AM CDT | Severe Thunderstorm Warning | DMX | Madison | 27 min |
| May 3, 5:08 AM CDT | Severe Thunderstorm Warning | DMX | Wayne | 52 min |
| May 3, 6:25 AM CDT | Severe Thunderstorm Warning | DMX | Davis | 28 min |
| May 3, 6:33 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 15 min |
| May 5, 3:12 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 3 more | 16 hr |
| May 8, 4:54 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 51 min |
| May 8, 5:21 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 24 min |
| May 8, 5:22 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 53 min |
| May 8, 5:38 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 11 more | 67 min |
| May 8, 6:02 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 33 more | 6 hr |
| May 8, 6:13 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 47 min |
| May 8, 6:49 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 33 min |
| May 8, 6:59 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 19 min |
| May 8, 7:47 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 19 more | 58 min |
| May 8, 8:01 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 44 min |
| May 8, 8:04 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Pocahontas | 41 min |
| May 8, 8:33 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 42 min |
| May 8, 8:44 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 21 min |
| May 8, 8:49 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 41 min |
| May 8, 8:56 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 49 min |
| May 8, 8:59 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Wright | 29 min |
| May 8, 9:05 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 55 min |
| May 8, 9:12 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 33 min |
| May 8, 9:13 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 47 min |
| May 8, 9:30 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 45 min |
| May 8, 9:35 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 40 min |
| May 8, 9:35 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 40 min |
| May 8, 9:57 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 48 min |
| May 8, 10:09 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 51 min |
| May 8, 10:13 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 47 min |
| May 8, 10:17 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 28 min |
| May 8, 10:59 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Webster | 37 min |
| May 8, 10:59 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 44 more | 91 min |
| May 9, 2:37 AM CDT | Severe Thunderstorm Warning | DVN | Linn | 38 min |
| May 9, 7:10 PM CDT | Tornado Warning | DVN | Johnson | 37 min |
| May 9, 7:41 PM CDT | Tornado Warning | DVN | Cedar | 64 min |
| May 9, 8:40 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 65 min |
| May 9, 11:38 PM CDT | Dense Fog Advisory | DVN | Cedar, Clinton, Delaware, Dubuque, Jackson, Johnson and 4 more | 8 hr |
| May 10, 3:29 AM CDT | Dense Fog Advisory | ARX | Allamakee, Clayton | 6 hr |
| May 10, 3:12 PM CDT | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 31 hr |
| May 10, 3:38 PM CDT | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 30 hr |
| May 10, 3:50 PM CDT | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 30 hr |
| May 12, 10:46 AM CDT | Wind Advisory | FSD | Buena Vista, Clay, Dickinson, O'Brien, Osceola | 7 hr |
| May 16, 2:29 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 31 min |
| May 17, 2:50 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 25 min |
| May 17, 3:17 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 28 min |
| May 23, 5:40 PM CDT | Mesoscale Discussion | SPC | Lyon, Plymouth, Sioux | 2 hr |
| May 23, 6:40 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 6 hr |
| May 23, 7:57 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 6 hr |
| May 23, 8:26 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 34 min |
| May 23, 8:57 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 48 min |
| May 23, 9:27 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 48 min |
| May 23, 9:56 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 49 min |
| May 23, 10:06 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 24 more | 114 min |
| May 23, 10:53 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 67 min |
| May 23, 11:08 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 67 min |
| May 23, 11:27 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 33 min |
| May 23, 11:31 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 44 min |
| May 23, 11:48 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 42 min |
| May 24, 1:56 AM CDT | Mesoscale Discussion | SPC | Decatur | 94 min |
| May 24, 3:53 AM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 16 hr |
| May 24, 9:05 AM CDT | Wind Advisory | OAX | Harrison, Monona, Shelby | 9 hr |
| May 24, 11:27 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Iowa, Jefferson and 11 more | 2 hr |
| May 24, 1:37 PM CDT | Mesoscale Discussion | SPC | Allamakee, Cedar, Clayton, Clinton, Delaware, Dubuque and 8 more | 83 min |
| May 24, 2:20 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton, Fayette, Winneshiek | 6 hr |
| May 24, 2:46 PM CDT | Tornado Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 7 hr |
| May 26, 8:55 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills | 95 min |
| May 26, 11:55 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Page | 95 min |
| May 27, 1:03 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 42 min |
| May 27, 1:14 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 31 min |
| May 27, 1:36 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 24 min |
| May 27, 1:43 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 47 min |
| May 27, 3:05 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 25 min |
| May 27, 3:17 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 43 min |
| May 27, 3:29 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 46 min |
| May 27, 3:30 AM CDT | Mesoscale Discussion | SPC | Appanoose, Boone, Clarke, Dallas, Davis, Decatur and 19 more | 3 hr |
| May 27, 8:17 AM CDT | Severe Thunderstorm Warning | DMX | Decatur | 43 min |
| May 27, 10:34 AM CDT | Severe Thunderstorm Warning | DMX | Decatur | 41 min |
| May 27, 11:32 AM CDT | Wind Advisory | DMX | Adair, Audubon, Boone, Carroll, Cass, Crawford and 7 more | 2 hr |
| May 27, 12:03 PM CDT | High Wind Warning | DMX | Boone, Dallas, Polk, Poweshiek, Story, Tama | 3 hr |
| May 27, 2:12 PM CDT | Mesoscale Discussion | SPC | Allamakee, Cedar, Clinton, Des Moines, Dubuque, Henry and 10 more | 93 min |
| May 27, 2:14 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 61 min |
| May 27, 2:29 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 38 min |
| May 27, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Des Moines, Henry, Jackson, Lee, Louisa and 3 more | 5 hr |
| May 27, 7:53 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 52 min |
| May 27, 8:04 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Howard, Mitchell, Winneshiek, Worth | 116 min |
| May 27, 8:44 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 28 min |
| May 29, 8:20 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 40 min |
| May 29, 10:37 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 35 more | 83 min |
| May 29, 3:02 PM CDT | Mesoscale Discussion | SPC | Kossuth, Winnebago | 118 min |
| May 29, 3:14 PM CDT | Severe Thunderstorm Watch | SPC | Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Chickasaw and 19 more | 6 hr |
| May 29, 3:15 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 30 min |
| May 29, 4:00 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 45 min |
| May 29, 4:39 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 66 min |
| May 29, 4:46 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 29 min |
| May 29, 5:45 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 42 min |
| May 29, 5:58 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 32 min |
| May 29, 6:03 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Calhoun and 19 more | 87 min |
| May 29, 6:54 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 36 min |
| May 29, 7:21 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 24 min |
| May 29, 7:25 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 35 min |
| May 29, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 36 min |
| May 30, 12:46 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 44 min |
| May 30, 1:12 AM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Mills, Montgomery, Page | 3 hr |
| May 30, 11:13 AM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Dubuque, Jackson, Jones, Muscatine and 1 more | 2 hr |
| May 30, 4:47 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 43 min |
| May 30, 5:27 PM CDT | Severe Thunderstorm Warning | DMX | Union | 48 min |
| Jun 3, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 31 min |
| Jun 3, 7:34 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 23 min |
| Jun 5, 6:36 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 5 hr |
| Jun 5, 7:24 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 36 min |
| Jun 6, 1:59 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Lee | 25 min |
| Jun 6, 2:03 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 57 min |
| Jun 6, 2:34 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Davis, Des Moines, Henry, Iowa and 15 more | 116 min |
| Jun 6, 2:46 PM CDT | Tornado Warning | DVN | Linn | 44 min |
| Jun 6, 2:57 PM CDT | Tornado Warning | DVN | Cedar, Johnson | 63 min |
| Jun 6, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 7 more | 6 hr |
| Jun 6, 3:48 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 57 min |
| Jun 6, 3:50 PM CDT | Severe Thunderstorm Warning | DVN | Washington | 59 min |
| Jun 6, 3:53 PM CDT | Tornado Warning | DVN | Keokuk, Washington | 52 min |
| Jun 6, 4:02 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 43 min |
| Jun 6, 4:24 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 66 min |
| Jun 6, 4:24 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 48 min |
| Jun 6, 4:44 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 46 min |
| Jun 6, 4:47 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 13 min |
| Jun 6, 5:10 PM CDT | Tornado Warning | DMX | Davis | 50 min |
| Jun 6, 5:32 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 40 min |
| Jun 9, 3:42 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Ida, Lyon and 8 more | 2 hr |
| Jun 9, 5:54 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 23 more | 7 hr |
| Jun 9, 8:58 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 23 more | 62 min |
| Jun 11, 12:37 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 38 min |
| Jun 14, 7:07 AM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin | 38 min |
| Jun 14, 7:42 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 50 min |
| Jun 14, 9:47 AM CDT | Severe Thunderstorm Warning | DMX | Worth | 34 min |
| Jun 14, 10:57 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 24 min |
| Jun 15, 12:52 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 38 min |
| Jun 15, 1:07 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 11 more | 2 hr |
| Jun 15, 1:27 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 33 min |
| Jun 15, 2:22 AM CDT | Flash Flood Warning | FSD | Cherokee | 4 hr |
| Jun 15, 3:23 AM CDT | Wind Advisory | OAX | Harrison, Mills, Monona, Pottawattamie, Shelby | 16 hr |
| Jun 15, 1:50 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 3 hr |
| Jun 16, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more | 6 hr |
| Jun 16, 3:59 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 46 min |
| Jun 16, 4:02 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, Osceola, Sioux | 88 min |
| Jun 16, 4:03 PM CDT | Severe Thunderstorm Watch | SPC | Emmet, Hancock, Kossuth, Palo Alto, Pocahontas, Winnebago and 1 more | 7 hr |
| Jun 16, 4:31 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| Jun 16, 5:17 PM CDT | Flash Flood Warning | FSD | Woodbury | 3 hr |
| Jun 16, 5:33 PM CDT | Flash Flood Warning | FSD | Plymouth, Sioux | 3 hr |
| Jun 16, 5:42 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 18 min |
| Jun 16, 5:51 PM CDT | Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 11 hr |
| Jun 16, 6:26 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Ida and 8 more | 64 min |
| Jun 16, 6:58 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Harrison, Ida and 5 more | 4 hr |
| Jun 16, 7:37 PM CDT | Flash Flood Warning | FSD | Woodbury | 4 hr |
| Jun 16, 7:41 PM CDT | Mesoscale Discussion | SPC | Emmet, Kossuth, Palo Alto, Winnebago | 94 min |
| Jun 16, 10:15 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Cerro Gordo, Chickasaw, Floyd, Hancock and 5 more | 60 min |
| Jun 17, 5:55 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Page | 5 hr |
| Jun 17, 9:00 PM CDT | Mesoscale Discussion | SPC | Fremont, Page | 90 min |
| Jun 18, 8:45 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Decatur, Fremont, Lucas and 6 more | 2 hr |
| Jun 19, 12:00 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 30 min |
| Jun 19, 12:13 AM CDT | Severe Thunderstorm Warning | DMX | Adair | 47 min |
| Jun 19, 12:27 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Union | 63 min |
| Jun 19, 1:30 AM CDT | Severe Thunderstorm Warning | DMX | Union | 15 min |
| Jun 19, 1:37 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 23 min |
| Jun 19, 1:51 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 26 more | 114 min |
| Jun 19, 2:00 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 30 min |
| Jun 19, 3:03 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 27 min |
| Jun 20, 3:05 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 40 min |
| Jun 20, 3:53 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Osceola, Sioux | 35 min |
| Jun 20, 3:55 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 27 min |
| Jun 20, 4:36 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 24 min |
| Jun 20, 6:09 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 27 min |
| Jun 20, 7:19 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 24 min |
| Jun 20, 3:03 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 5 more | 117 min |
| Jun 20, 5:19 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Buena Vista and 45 more | 116 min |
| Jun 20, 10:22 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Montgomery, Pottawattamie, Shelby | 5 hr |
| Jun 21, 1:49 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 45 more | 86 min |
| Jun 21, 2:13 AM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Warren | 47 min |
| Jun 21, 4:47 AM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 43 min |
| Jun 21, 4:56 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 53 min |
| Jun 21, 5:11 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 49 min |
| Jun 21, 6:12 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 63 min |
| Jun 21, 6:27 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 63 min |
| Jun 21, 6:27 AM CDT | Mesoscale Discussion | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 40 more | 2 hr |
| Jun 21, 6:35 AM CDT | Severe Thunderstorm Warning | DVN | Linn | 55 min |
| Jun 21, 7:52 AM CDT | Severe Thunderstorm Warning | DMX | Greene | 23 min |
| Jun 21, 8:32 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 20 more | 88 min |
| Jun 21, 8:42 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 60 more | 7 hr |
| Jun 21, 9:50 AM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin | 40 min |
| Jun 21, 10:13 AM CDT | Severe Thunderstorm Warning | ARX | Fayette | 47 min |
| Jun 21, 10:21 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin | 39 min |
| Jun 21, 10:32 AM CDT | Mesoscale Discussion | SPC | Allamakee, Buchanan, Clayton, Delaware, Dubuque, Fayette and 1 more | 118 min |
| Jun 21, 10:44 AM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 31 min |
| Jun 21, 10:52 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 53 min |
| Jun 21, 10:56 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton, Clinton, Fayette, Jackson, Scott and 1 more | 7 hr |
| Jun 21, 11:16 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 44 min |
| Jun 21, 11:50 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 55 min |
| Jun 21, 12:19 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Boone, Buchanan, Cedar and 35 more | 86 min |
| Jun 21, 12:41 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison | 49 min |
| Jun 21, 1:21 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 54 min |
| Jun 21, 2:49 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 26 min |
| Jun 21, 2:58 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 62 min |
| Jun 21, 3:04 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk, Washington | 40 min |
| Jun 21, 10:45 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Fremont, Page, Ringgold and 2 more | 2 hr |
| Jun 22, 3:52 AM CDT | Severe Thunderstorm Warning | DMX | Davis | 30 min |
| Jun 22, 4:11 AM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 53 min |
| Jun 22, 5:02 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 58 min |
| Jun 23, 5:28 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Dickinson and 19 more | 92 min |
| Jun 23, 9:17 PM CDT | Mesoscale Discussion | SPC | Lyon, Osceola, Sioux | 58 min |
| Jun 24, 2:04 PM CDT | Mesoscale Discussion | SPC | Benton, Buchanan, Cedar, Clayton, Clinton, Davis and 19 more | 86 min |
| Jun 24, 3:06 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 54 min |
| Jun 24, 3:49 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 41 min |
| Jun 24, 4:04 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 41 min |
| Jun 24, 4:33 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 27 min |
| Jun 24, 5:07 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 38 min |
| Jun 24, 5:20 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 40 min |
| Jun 24, 5:46 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 59 min |
| Jun 24, 5:59 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 61 min |
| Jun 24, 6:13 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 47 min |
| Jun 24, 6:43 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 47 min |
| Jun 24, 6:54 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 26 min |
| Jun 24, 7:22 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 38 min |
| Jun 24, 7:45 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette, Winneshiek | 90 min |
| Jun 25, 12:38 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Boone, Bremer, Buchanan and 44 more | 97 min |
| Jun 25, 3:08 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 52 min |
| Jun 25, 3:39 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Des Moines, Dubuque, Henry, Jackson and 5 more | 5 hr |
| Jun 25, 3:58 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson | 62 min |
| Jun 25, 7:04 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Dubuque, Jackson, Scott | 116 min |
| Jun 27, 3:31 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 44 min |
| Jun 27, 3:53 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 52 min |
| Jun 27, 4:40 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 50 min |
| Jun 27, 5:22 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 23 min |
| Jun 27, 5:25 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 35 min |
| Jun 27, 5:44 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 31 min |
| Jun 27, 5:47 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 36 min |
| Jun 27, 5:59 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 17 min |
| Jun 27, 6:15 PM CDT | Severe Thunderstorm Warning | OAX | Page | 30 min |
| Jun 27, 6:32 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 38 min |
| Jun 27, 7:15 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 30 min |
| Jun 27, 7:30 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 28 min |
| Jun 27, 8:12 PM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 48 min |
| Jun 30, 9:50 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 25 min |
| Jun 30, 9:57 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 63 min |
| Jul 1, 4:07 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 23 min |
| Jul 1, 4:09 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 36 min |
| Jul 1, 4:23 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 29 more | 37 min |
| Jul 1, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 41 more | 4 hr |
| Jul 1, 4:31 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 44 min |
| Jul 1, 4:38 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 37 min |
| Jul 1, 4:55 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 50 min |
| Jul 1, 5:21 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 39 min |
| Jul 1, 5:25 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 26 min |
| Jul 1, 6:07 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 38 min |
| Jul 1, 6:17 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 28 min |
| Jul 1, 6:30 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 37 min |
| Jul 1, 6:38 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 52 min |
| Jul 1, 6:51 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 39 min |
| Jul 1, 7:23 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 52 min |
| Jul 1, 7:50 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 30 min |
| Jul 1, 10:09 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Benton, Black Hawk, Boone, Buchanan and 30 more | 96 min |
| Jul 1, 11:29 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 33 min |
| Jul 2, 3:57 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Decatur, Des Moines, Henry and 12 more | 93 min |
| Jul 2, 5:17 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 58 min |
| Jul 2, 6:26 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 34 min |
| Jul 2, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Union | 38 min |
| Jul 2, 7:42 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 33 min |
| Jul 2, 8:03 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 42 min |
| Jul 2, 8:53 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 37 min |
| Jul 2, 9:59 PM CDT | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Iowa, Jasper, Jefferson and 15 more | 3 hr |
| Jul 3, 2:07 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Cedar and 31 more | 113 min |
| Jul 3, 3:03 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 38 min |
| Jul 3, 3:24 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 36 min |
| Jul 3, 3:40 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 35 min |
| Jul 3, 4:07 PM CDT | Severe Thunderstorm Warning | DVN | Louisa, Washington | 53 min |
| Jul 3, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 59 min |
| Jul 3, 4:34 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 62 more | 6 hr |
| Jul 3, 5:35 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 28 min |
| Jul 3, 5:55 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 29 min |
| Jul 3, 6:58 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 59 more | 92 min |
| Jul 3, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Polk, Warren | 47 min |
| Jul 9, 4:01 PM CDT | Mesoscale Discussion | SPC | Allamakee | 89 min |
| Jul 9, 6:10 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 35 min |
| Jul 11, 9:00 PM CDT | Flash Flood Warning | DMX | Wapello | 6 hr |
| Jul 13, 11:47 AM CDT | Mesoscale Discussion | SPC | Plymouth, Sioux | 118 min |
| Jul 13, 12:21 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Fremont and 15 more | 10 hr |
| Jul 13, 12:57 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 7 more | 2 hr |
| Jul 13, 1:58 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 32 min |
| Jul 13, 2:35 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 25 min |
| Jul 13, 2:48 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 23 min |
| Jul 13, 2:53 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 26 more | 67 min |
| Jul 13, 2:57 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida | 33 min |
| Jul 13, 3:02 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 13 min |
| Jul 13, 3:17 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 43 min |
| Jul 13, 3:22 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 53 min |
| Jul 13, 3:30 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 45 min |
| Jul 13, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 36 more | 8 hr |
| Jul 13, 3:40 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 50 min |
| Jul 13, 4:12 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 63 min |
| Jul 13, 4:14 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 46 min |
| Jul 13, 4:21 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 29 min |
| Jul 13, 4:28 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 47 min |
| Jul 13, 4:39 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 51 min |
| Jul 13, 4:48 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 57 min |
| Jul 13, 5:08 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 16 min |
| Jul 13, 5:23 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 22 min |
| Jul 13, 5:41 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 16 min |
| Jul 13, 5:52 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 38 min |
| Jul 13, 6:03 PM CDT | Severe Thunderstorm Warning | DMX | Story | 34 min |
| Jul 13, 6:04 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 41 min |
| Jul 13, 6:09 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 51 min |
| Jul 13, 6:09 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 51 min |
| Jul 13, 6:16 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 44 min |
| Jul 13, 6:23 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 31 min |
| Jul 13, 6:26 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 33 min |
| Jul 13, 6:40 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Union | 50 min |
| Jul 13, 6:42 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 33 min |
| Jul 13, 6:47 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 58 min |
| Jul 13, 7:04 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 56 min |
| Jul 13, 7:14 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 46 min |
| Jul 13, 7:26 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 10 more | 94 min |
| Jul 13, 7:34 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 41 min |
| Jul 13, 8:40 PM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 65 min |
| Jul 13, 9:20 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 27 more | 115 min |
| Jul 14, 1:34 AM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek | 86 min |
| Jul 14, 5:36 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Carroll, Greene, Hamilton and 6 more | 114 min |
| Jul 15, 5:05 AM CDT | Dense Fog Advisory | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 15 more | 2 hr |
| Jul 15, 2:23 PM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 53 hr |
| Jul 15, 3:18 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 52 hr |
| Jul 15, 3:30 PM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 36 hr |
| Jul 15, 3:36 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 28 hr |
| Jul 17, 3:25 AM CDT | Heat Advisory | DVN | Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 9 more | 16 hr |
| Jul 17, 12:09 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 10 more | 2 hr |
| Jul 17, 2:28 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 64 more | 8 hr |
| Jul 17, 4:35 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 40 min |
| Jul 17, 4:56 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 54 min |
| Jul 17, 5:02 PM CDT | Tornado Warning | DMX | Tama | 28 min |
| Jul 17, 5:11 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 19 min |
| Jul 17, 5:11 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 64 min |
| Jul 17, 5:34 PM CDT | Mesoscale Discussion | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 40 more | 86 min |
| Jul 17, 5:47 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 58 min |
| Jul 17, 6:01 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Linn | 59 min |
| Jul 17, 6:14 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 61 min |
| Jul 17, 6:43 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 43 min |
| Jul 17, 6:46 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 59 min |
| Jul 17, 6:59 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 48 min |
| Jul 17, 7:08 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 37 min |
| Jul 17, 7:34 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 41 min |
| Jul 17, 8:10 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 18 min |
| Jul 17, 8:18 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 57 min |
| Jul 18, 3:27 PM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 30 hr |
| Jul 18, 3:43 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Ida, O'Brien, Plymouth and 2 more | 27 hr |
| Jul 19, 4:01 AM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 22 more | 15 hr |
| Jul 19, 9:40 AM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Cerro Gordo, Chickasaw, Clayton and 9 more | 95 min |
| Jul 19, 10:03 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 4 hr |
| Jul 19, 10:13 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 19 min |
| Jul 19, 11:40 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 12 more | 95 min |
| Jul 19, 12:30 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 45 min |
| Jul 19, 12:36 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton | 54 min |
| Jul 19, 12:55 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 65 min |
| Jul 19, 1:02 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Jackson, Jones, Louisa, Muscatine and 1 more | 5 hr |
| Jul 19, 1:25 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 54 min |
| Jul 19, 3:31 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay and 20 more | 89 min |
| Jul 19, 3:49 PM CDT | Tornado Watch | SPC | Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 22 more | 6 hr |
| Jul 19, 7:57 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Buena Vista and 45 more | 93 min |
| Jul 19, 9:09 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Wright | 36 min |
| Jul 19, 9:44 PM CDT | Tornado Watch | SPC | Black Hawk, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 24 more | 6 hr |
| Jul 19, 10:47 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago | 58 min |
| Jul 19, 10:48 PM CDT | Mesoscale Discussion | SPC | Allamakee, Buchanan, Clayton, Delaware, Dubuque, Fayette and 3 more | 87 min |
| Jul 19, 10:59 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 46 min |
| Jul 19, 11:10 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 7 more | 8 hr |
| Jul 19, 11:30 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 45 min |
| Jul 19, 11:48 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 57 min |
| Jul 19, 11:51 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 21 min |
| Jul 19, 11:53 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 52 min |
| Jul 19, 11:58 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 32 min |
| Jul 20, 12:16 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 44 min |
| Jul 20, 12:33 AM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 42 min |
| Jul 20, 12:39 AM CDT | Severe Thunderstorm Warning | DMX | Bremer | 51 min |
| Jul 20, 12:59 AM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 46 min |
| Jul 20, 1:36 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 39 min |
| Jul 20, 1:47 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 43 min |
| Jul 20, 1:49 AM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 26 min |
| Jul 20, 2:32 AM CDT | Mesoscale Discussion | SPC | Clinton, Dubuque, Jackson | 88 min |
| Jul 20, 2:55 AM CDT | Mesoscale Discussion | SPC | Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo, Chickasaw and 10 more | 95 min |
| Jul 20, 3:01 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 16 min |
| Jul 20, 5:09 AM CDT | Severe Thunderstorm Warning | DVN | Clinton | 23 min |
| Jul 22, 12:53 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 23 more | 3 hr |
| Jul 22, 4:32 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 43 min |
| Jul 22, 4:35 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 55 min |
| Jul 24, 12:49 PM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Osceola | 86 min |
| Jul 24, 3:04 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 14 more | 116 min |
| Jul 24, 6:20 PM CDT | Mesoscale Discussion | SPC | Cherokee, Clay, Dickinson, Emmet, Lyon, O'Brien and 4 more | 85 min |
| Jul 24, 6:39 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 8 more | 4 hr |
| Jul 25, 6:00 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 45 min |
| Jul 25, 6:11 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 64 min |
| Jul 25, 6:34 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 8 more | 116 min |
| Jul 25, 6:50 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Buchanan, Cedar, Clinton, Davis and 19 more | 3 hr |
| Jul 25, 6:56 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 46 min |
| Jul 25, 7:15 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 26 min |
| Jul 25, 7:39 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 21 more | 2 hr |
| Jul 26, 6:20 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 25 min |
| Jul 26, 6:26 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 34 min |
| Jul 26, 6:42 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 33 min |
| Jul 26, 6:47 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 43 min |
| Jul 27, 5:36 AM CDT | Dense Fog Advisory | DVN | Benton, Cedar, Clinton, Dubuque, Henry, Iowa and 11 more | 3 hr |
| Jul 27, 9:48 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 42 min |
| Jul 28, 2:14 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 4 days |
| Jul 28, 9:36 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 4 days |
| Jul 29, 11:41 AM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 4 days |
| Jul 29, 3:47 PM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 72 hr |
| Jul 29, 3:55 PM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 3 days |
| Aug 1, 3:35 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 23 hr |
| Aug 1, 4:19 AM CDT | Flash Flood Watch | DMX | Calhoun, Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth and 7 more | 27 hr |
| Aug 1, 2:48 PM CDT | Mesoscale Discussion | SPC | Monona, Plymouth, Woodbury | 117 min |
| Aug 1, 3:41 PM CDT | Flash Flood Watch | ARX | Mitchell | 15 hr |
| Aug 1, 4:57 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Harrison, Ida and 7 more | 7 hr |
| Aug 1, 5:20 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 40 min |
| Aug 1, 6:01 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| Aug 1, 6:34 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 24 min |
| Aug 1, 6:45 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 30 min |
| Aug 1, 7:10 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 50 min |
| Aug 1, 7:14 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson, Osceola | 61 min |
| Aug 1, 7:17 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buena Vista, Butler, Calhoun, Cerro Gordo and 30 more | 118 min |
| Aug 1, 7:23 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 37 min |
| Aug 1, 7:56 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 34 min |
| Aug 1, 8:00 PM CDT | Tornado Watch | SPC | Emmet, Hancock, Humboldt, Kossuth, Palo Alto, Pocahontas and 2 more | 5 hr |
| Aug 1, 8:29 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 31 min |
| Aug 1, 8:42 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay | 48 min |
| Aug 1, 8:55 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 27 min |
| Aug 1, 9:01 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 37 min |
| Aug 1, 9:44 PM CDT | Flash Flood Warning | DMX | Emmet | 6 hr |
| Aug 1, 10:20 PM CDT | Flash Flood Warning | DMX | Kossuth, Palo Alto | 6 hr |
| Aug 1, 10:21 PM CDT | Flash Flood Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 6 hr |
| Aug 1, 10:37 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 38 min |
| Aug 1, 11:02 PM CDT | Flash Flood Warning | DMX | Pocahontas | 6 hr |
| Aug 1, 11:51 PM CDT | Mesoscale Discussion | SPC | Bremer, Butler, Calhoun, Carroll, Cerro Gordo, Chickasaw and 11 more | 54 min |
| Aug 2, 12:31 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 44 min |
| Aug 2, 12:50 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 25 min |
| Aug 2, 1:16 AM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Fayette, Winneshiek | 119 min |
| Aug 2, 12:42 PM CDT | Mesoscale Discussion | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 2 hr |
| Aug 2, 1:16 PM CDT | Mesoscale Discussion | SPC | Taylor | 119 min |
| Aug 2, 5:13 PM CDT | Mesoscale Discussion | SPC | Appanoose, Decatur, Ringgold, Taylor, Wayne | 2 hr |
| Aug 2, 5:46 PM CDT | Severe Thunderstorm Watch | SPC | Decatur, Fremont, Page, Ringgold, Taylor, Wayne | 6 hr |
| Aug 2, 5:52 PM CDT | Mesoscale Discussion | SPC | Jackson | 113 min |
| Aug 2, 7:53 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Henry, Jefferson, Lee and 5 more | 2 hr |
| Aug 2, 11:37 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Decatur, Lucas, Monroe, Wayne | 23 min |
| Aug 5, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 5 hr |
| Aug 5, 8:50 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Harrison and 11 more | 85 min |
| Aug 5, 9:11 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 49 min |
| Aug 6, 1:56 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Cass, Clarke and 15 more | 3 hr |
| Aug 6, 2:01 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Cass, Clarke and 15 more | 2 hr |
| Aug 6, 8:05 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Decatur, Des Moines, Henry and 15 more | 85 min |
| Aug 7, 1:41 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 49 min |
| Aug 10, 2:15 AM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 15 more | 90 min |
| Aug 10, 2:33 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 15 more | 4 hr |
| Aug 10, 3:11 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 49 min |
| Aug 10, 3:14 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 26 more | 91 min |
| Aug 10, 3:16 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 29 min |
| Aug 10, 3:33 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 27 more | 6 hr |
| Aug 10, 3:44 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 46 min |
| Aug 10, 4:00 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 30 min |
| Aug 10, 4:11 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 34 min |
| Aug 10, 4:21 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 24 min |
| Aug 10, 4:22 AM CDT | Severe Thunderstorm Warning | DMX | Sac | 44 min |
| Aug 10, 4:24 AM CDT | Severe Thunderstorm Warning | DVN | Benton | 51 min |
| Aug 10, 4:29 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 16 min |
| Aug 10, 4:38 AM CDT | Severe Thunderstorm Warning | DMX | Carroll | 52 min |
| Aug 10, 4:48 AM CDT | Severe Thunderstorm Warning | DVN | Linn | 42 min |
| Aug 10, 4:56 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 53 min |
| Aug 10, 5:06 AM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 39 min |
| Aug 10, 5:11 AM CDT | Severe Thunderstorm Warning | DMX | Greene | 34 min |
| Aug 10, 5:31 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones, Linn | 44 min |
| Aug 10, 5:35 AM CDT | Severe Thunderstorm Warning | DMX | Hardin | 29 min |
| Aug 10, 5:39 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 36 min |
| Aug 10, 5:45 AM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Louisa, Muscatine, Scott | 90 min |
| Aug 10, 5:57 AM CDT | Severe Thunderstorm Warning | DMX | Story | 33 min |
| Aug 10, 6:03 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 42 min |
| Aug 10, 6:47 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 43 min |
| Aug 10, 4:45 PM CDT | Tornado Warning | DMX | Calhoun, Hamilton, Webster | 45 min |
| Aug 10, 7:07 PM CDT | Severe Thunderstorm Watch | SPC | Lyon | 6 hr |
| Aug 10, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Monona, Plymouth, Sioux, Woodbury | 6 hr |
| Aug 11, 2:07 AM CDT | Mesoscale Discussion | SPC | Monona, Plymouth, Woodbury | 53 min |
| Aug 13, 1:58 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Clarke, Dallas, Decatur, Jasper and 10 more | 92 min |
| Aug 13, 2:48 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Benton, Black Hawk, Buchanan and 36 more | 5 hr |
| Aug 13, 3:22 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 38 min |
| Aug 13, 3:29 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 61 min |
| Aug 13, 4:49 PM CDT | Flash Flood Warning | DMX | Clarke | 4 hr |
| Aug 13, 5:03 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 57 min |
| Aug 13, 5:20 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 55 min |
| Aug 13, 6:04 PM CDT | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Jefferson, Lee, Louisa and 2 more | 56 min |
| Aug 13, 6:25 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee, Van Buren | 3 hr |
| Aug 13, 6:36 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 54 min |
| Aug 13, 7:16 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 39 min |
| Aug 13, 8:38 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Henry, Jefferson, Keokuk, Lee and 3 more | 67 min |
| Aug 18, 2:30 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 30 min |
| Aug 18, 3:01 AM CDT | Severe Thunderstorm Warning | DMX | Madison | 44 min |
| Aug 18, 4:08 AM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 37 min |
| Aug 18, 1:07 PM CDT | Mesoscale Discussion | SPC | Harrison, Monona | 113 min |
| Aug 18, 4:01 PM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Cass, Clarke, Davis and 12 more | 4 hr |
| Aug 19, 1:10 AM CDT | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 8 hr |
| Aug 23, 1:17 PM CDT | Mesoscale Discussion | SPC | Allamakee, Winneshiek | 88 min |
| Aug 23, 2:32 PM CDT | Tornado Watch | SPC | Allamakee, Clayton, Winneshiek | 7 hr |
| Aug 24, 1:05 PM CDT | Mesoscale Discussion | SPC | Allamakee | 115 min |
| Aug 24, 3:17 PM CDT | Tornado Watch | SPC | Allamakee, Howard, Mitchell, Winneshiek | 9 hr |
| Aug 24, 5:36 PM CDT | Mesoscale Discussion | SPC | Lyon | 54 min |
| Aug 24, 5:51 PM CDT | Tornado Watch | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 4 hr |
| Aug 24, 6:03 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek | 87 min |
| Aug 24, 9:08 PM CDT | Mesoscale Discussion | SPC | Allamakee, Buena Vista, Cerro Gordo, Cherokee, Chickasaw, Clay and 20 more | 97 min |
| Aug 24, 10:44 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 61 min |
| Aug 24, 11:24 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clay, Clayton, Dickinson, Emmet and 8 more | 96 min |
| Aug 24, 11:52 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| Aug 25, 1:46 AM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 44 min |
| Aug 25, 2:27 AM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Dubuque, Fayette, Floyd and 3 more | 2 hr |
| Aug 25, 5:05 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Buchanan, Clayton, Delaware, Dubuque and 5 more | 55 min |
| Aug 25, 1:42 PM CDT | Mesoscale Discussion | SPC | Scott | 2 hr |
| Aug 25, 6:38 PM CDT | Mesoscale Discussion | SPC | Clinton, Jackson | 2 hr |
| Sep 2, 1:45 PM CDT | Mesoscale Discussion | SPC | Boone, Butler, Cerro Gordo, Chickasaw, Dallas, Emmet and 19 more | 90 min |
| Sep 2, 2:49 PM CDT | Tornado Warning | DMX | Franklin | 41 min |
| Sep 3, 2:05 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 40 min |
| Sep 3, 2:27 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 78 more | 63 min |
| Sep 3, 2:39 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 51 min |
| Sep 3, 2:43 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 32 min |
| Sep 3, 2:54 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 66 min |
| Sep 3, 3:15 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 15 min |
| Sep 3, 3:24 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 36 min |
| Sep 3, 3:25 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 50 min |
| Sep 3, 3:53 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 52 min |
| Sep 3, 4:14 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 39 min |
| Sep 3, 4:18 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 37 min |
| Sep 3, 5:39 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 51 min |
| Sep 3, 6:23 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 52 min |
| Sep 4, 2:23 AM CDT | Dense Fog Advisory | DVN | Clinton, Des Moines, Dubuque, Jackson, Lee, Louisa and 2 more | 7 hr |
| Sep 8, 4:21 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 39 min |
| Sep 8, 4:30 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 30 min |
| Sep 8, 5:04 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Butler, Cerro Gordo, Chickasaw and 9 more | 56 min |
| Sep 8, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 18 min |
| Sep 10, 7:50 PM CDT | Flash Flood Watch | DVN | Buchanan, Delaware, Dubuque | 20 hr |
| Sep 11, 3:20 AM CDT | Flash Flood Warning | DMX | Bremer, Butler | 6 hr |
| Sep 11, 3:02 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 42 min |
| Sep 11, 3:13 PM CDT | Mesoscale Discussion | SPC | Lee | 92 min |
| Sep 14, 5:57 AM CDT | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 12 more | 4 hr |
| Sep 15, 3:28 AM CDT | Wind Advisory | FSD | Lyon | 14 hr |
| Sep 15, 8:32 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Buena Vista, Calhoun, Carroll, Cass and 21 more | 58 min |
| Sep 15, 8:50 PM CDT | Severe Thunderstorm Watch | SPC | Crawford, Fremont, Harrison, Mills, Monona, Montgomery and 2 more | 4 hr |
| Sep 15, 9:57 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 48 min |
| Sep 15, 10:06 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 39 min |
| Sep 15, 10:44 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 16 min |
| Sep 16, 4:35 AM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 13 hr |
| Sep 16, 1:25 PM CDT | Mesoscale Discussion | SPC | Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more | 3 hr |
| Sep 16, 1:53 PM CDT | Tornado Watch | SPC | Lyon, Monona, Plymouth, Sioux, Woodbury | 8 hr |
| Sep 16, 3:24 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 7 more | 96 min |
| Sep 16, 3:56 PM CDT | Tornado Watch | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 7 hr |
| Sep 16, 5:07 PM CDT | Tornado Watch | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 15 more | 8 hr |
| Sep 16, 6:12 PM CDT | Mesoscale Discussion | SPC | Lyon | 63 min |
| Sep 16, 7:50 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 25 min |
| Sep 16, 8:07 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 38 min |
| Sep 16, 8:12 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 20 min |
| Sep 16, 8:15 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 29 more | 2 hr |
| Sep 16, 8:24 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 36 min |
| Sep 16, 8:29 PM CDT | Tornado Warning | DMX | Crawford | 36 min |
| Sep 16, 8:34 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 29 more | 7 hr |
| Sep 16, 8:56 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 34 min |
| Sep 16, 8:56 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 34 min |
| Sep 16, 9:15 PM CDT | Tornado Warning | DMX | Pocahontas | 30 min |
| Sep 16, 9:22 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 23 min |
| Sep 16, 9:35 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto | 40 min |
| Sep 16, 9:36 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 39 min |
| Sep 16, 9:52 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 23 min |
| Sep 16, 9:56 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 24 min |
| Sep 16, 10:08 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 37 min |
| Sep 16, 10:09 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth | 51 min |
| Sep 16, 10:14 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 31 min |
| Sep 16, 10:25 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 65 min |
| Sep 16, 10:32 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 43 min |
| Sep 16, 10:34 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 41 min |
| Sep 16, 10:42 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 33 min |
| Sep 16, 10:47 PM CDT | Flash Flood Warning | OAX | Harrison, Shelby | 118 min |
| Sep 16, 10:55 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 35 min |
| Sep 16, 11:02 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster | 43 min |
| Sep 16, 11:04 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 41 min |
| Sep 16, 11:13 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll | 47 min |
| Sep 16, 11:19 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Wright | 56 min |
| Sep 16, 11:20 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 40 min |
| Sep 16, 11:30 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 30 min |
| Sep 16, 11:42 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 48 min |
| Sep 16, 11:44 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 45 more | 2 hr |
| Sep 16, 11:45 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 45 min |
| Sep 16, 11:46 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 34 min |
| Sep 17, 12:25 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 35 min |
| Sep 17, 12:25 AM CDT | Severe Thunderstorm Warning | DMX | Hardin | 35 min |
| Sep 17, 12:58 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie, Union | 47 min |
| Sep 17, 1:08 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 37 min |
| Sep 17, 1:32 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 43 min |
| Sep 17, 1:48 AM CDT | Severe Thunderstorm Warning | DMX | Story | 42 min |
| Sep 17, 1:57 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 48 min |
| Sep 17, 2:27 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 33 min |
| Sep 17, 2:32 AM CDT | Severe Thunderstorm Warning | DMX | Marshall | 28 min |
| Sep 17, 2:39 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 36 min |
| Sep 17, 3:15 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 45 min |
| Sep 19, 3:50 AM CDT | Frost Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 28 hr |
| Sep 19, 9:11 PM CDT | Frost Advisory | DMX | Adams, Audubon, Black Hawk, Bremer, Butler, Cass and 8 more | 11 hr |
| Sep 22, 2:20 PM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Scott | 2 hr |
| Sep 22, 3:32 PM CDT | Tornado Watch | SPC | Clinton, Jackson, Scott | 6 hr |
| Sep 29, 7:26 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 34 min |
| Sep 29, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 23 min |
| Sep 29, 7:46 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 33 min |
| Sep 29, 8:03 PM CDT | Severe Thunderstorm Warning | DMX | Story | 42 min |
| Oct 2, 1:27 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Clinton, Delaware, Dubuque, Fayette and 2 more | 93 min |
| Oct 2, 1:53 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Cedar, Clayton, Clinton, Delaware, Dubuque and 4 more | 9 hr |
| Oct 4, 2:42 AM CDT | Severe Thunderstorm Warning | DMX | Winnebago, Worth | 48 min |
| Oct 4, 3:14 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 61 min |
| Oct 4, 3:30 AM CDT | Severe Thunderstorm Warning | DMX | Worth | 15 min |
| Oct 4, 3:56 AM CDT | Severe Thunderstorm Warning | ARX | Howard | 49 min |
| Oct 4, 4:01 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 3 hr |
| Oct 4, 4:19 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Winneshiek | 41 min |
| Oct 4, 5:03 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 42 min |
| Oct 5, 7:49 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 4 more | 12 hr |
| Oct 7, 3:42 AM CDT | Wind Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 2 more | 14 hr |
| Oct 10, 2:54 AM CDT | Freeze Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 24 hr |
| Oct 10, 3:45 PM CDT | Freeze Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 42 hr |
| Oct 11, 2:42 AM CDT | Freeze Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 30 hr |
| Oct 11, 3:42 AM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 29 hr |
| Oct 11, 3:52 AM CDT | Freeze Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 28 hr |
| Oct 13, 3:19 AM CDT | Wind Advisory | DMX | Cerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more | 15 hr |
| Oct 13, 3:54 AM CDT | Wind Advisory | FSD | Clay, Dickinson, O'Brien, Osceola | 14 hr |
| Oct 17, 3:09 PM CDT | Snow Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 1 more | 18 hr |
| Oct 21, 3:37 AM CDT | Winter Weather Advisory | DVN | Benton, Buchanan, Delaware, Dubuque, Iowa, Johnson and 2 more | 9 hr |
| Oct 21, 4:10 AM CDT | Winter Weather Advisory | ARX | Allamakee, Clayton, Fayette, Winneshiek | 27 hr |
| Oct 29, 3:45 PM CST | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 31 hr |
| Oct 30, 3:51 AM CST | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 16 hr |
| Oct 30, 11:10 AM CST | Wind Advisory | DMX | Calhoun, Crawford, Emmet, Humboldt, Kossuth, Palo Alto and 2 more | 10 hr |
| Nov 6, 11:34 PM CST | Dense Fog Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 10 hr |
| Nov 6, 11:43 PM CST | Dense Fog Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 8 hr |
| Nov 7, 6:10 AM CST | Dense Fog Advisory | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 9 more | 4 hr |
| Nov 9, 4:19 AM CST | Winter Storm Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 24 hr |
| Nov 9, 8:49 PM CST | Snow Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 2 more | 14 hr |
| Nov 9, 11:47 PM CST | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more | 6 hr |
| Nov 10, 3:51 AM CST | Snow Advisory | ARX | Howard, Mitchell | 14 hr |
| Nov 10, 3:51 AM CST | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Floyd, Winneshiek | 14 hr |
| Nov 10, 3:54 AM CST | Snow Advisory | DMX | Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth, Palo Alto and 3 more | 8 hr |
| Nov 10, 3:54 AM CST | Winter Weather Advisory | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Dallas and 10 more | 12 hr |
| Nov 10, 7:03 AM CST | Mesoscale Discussion | SPC | Cerro Gordo, Hancock, Humboldt, Kossuth, Mitchell, Palo Alto and 4 more | 4 hr |
| Nov 10, 8:20 AM CST | Severe Thunderstorm Warning | DMX | Jasper | 29 min |
| Nov 10, 8:36 AM CST | Severe Thunderstorm Warning | DMX | Poweshiek | 18 min |
| Nov 10, 8:47 AM CST | Heavy Snow Warning | DMX | Kossuth, Palo Alto | 3 hr |
| Nov 10, 8:47 AM CST | Winter Storm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 7 hr |
| Nov 10, 9:15 AM CST | Winter Storm Warning | ARX | Mitchell | 6 hr |
| Nov 10, 9:34 AM CST | Mesoscale Discussion | SPC | Cedar, Clayton, Clinton, Delaware, Des Moines, Dubuque and 9 more | 116 min |
| Nov 10, 12:03 PM CST | Mesoscale Discussion | SPC | Allamakee, Winneshiek | 4 hr |
| Nov 10, 12:17 PM CST | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Jefferson, Lee, Louisa and 2 more | 58 min |
| Nov 10, 12:25 PM CST | Heavy Snow Warning | DMX | Kossuth | 95 min |
| Nov 10, 12:25 PM CST | Snow Advisory | DMX | Calhoun, Humboldt, Webster | 95 min |
| Nov 10, 12:47 PM CST | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 3 more | 5 hr |
| Nov 10, 12:50 PM CST | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Washington | 25 min |
| Nov 10, 1:13 PM CST | Severe Thunderstorm Warning | DVN | Cedar | 47 min |
| Nov 26, 11:38 AM CST | Freezing Rain Advisory | OAX | Monona | 12 hr |
| Nov 26, 12:06 PM CST | Freezing Rain Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 2 more | 15 hr |
| Nov 26, 6:16 PM CST | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Sioux | 5 hr |
| Nov 27, 12:45 PM CST | Dense Fog Advisory | DMX | Adair, Audubon, Boone, Butler, Calhoun, Carroll and 23 more | 11 hr |
| Nov 27, 1:15 PM CST | Dense Fog Advisory | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 8 hr |
| Nov 27, 2:15 PM CST | Dense Fog Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 13 hr |
| Nov 27, 3:43 PM CST | Dense Fog Advisory | OAX | Harrison, Monona, Pottawattamie, Shelby | 8 hr |
| Nov 29, 3:04 AM CST | Winter Weather Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 23 hr |
| Nov 29, 3:50 AM CST | Winter Weather Advisory | DMX | Adair, Adams, Appanoose, Black Hawk, Bremer, Butler and 23 more | 19 hr |
| Nov 29, 10:59 AM CST | Mesoscale Discussion | SPC | Decatur, Ringgold, Wayne | 5 hr |
| Nov 29, 11:39 AM CST | Winter Storm Warning | DMX | Appanoose, Davis, Mahaska, Monroe, Wapello, Wayne | 11 hr |
| Nov 29, 3:08 PM CST | Winter Weather Advisory | ARX | Allamakee, Clayton, Fayette | 7 hr |
| Nov 29, 3:47 PM CST | Winter Storm Watch | DVN | Clinton, Des Moines, Henry, Lee, Louisa, Muscatine and 1 more | 12 hr |
| Nov 29, 4:43 PM CST | Mesoscale Discussion | SPC | Appanoose, Benton, Cedar, Clayton, Clinton, Davis and 21 more | 4 hr |
| Nov 30, 4:00 AM CST | Winter Storm Warning | DVN | Des Moines, Lee | 32 hr |
| Nov 30, 4:00 AM CST | Winter Weather Advisory | DVN | Cedar, Clinton, Henry, Jackson, Louisa, Muscatine and 2 more | 32 hr |
| Nov 30, 3:36 PM CST | Snow Advisory | DMX | Davis | 11 hr |
| Nov 30, 11:50 PM CST | Mesoscale Discussion | SPC | Des Moines, Henry, Lee | 4 hr |
| Dec 6, 9:20 PM CST | Wind Chill Advisory | FSD | Clay, Dickinson, O'Brien, Osceola | 11 hr |
| Dec 7, 3:01 AM CST | Wind Chill Advisory | DMX | Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth, Palo Alto and 4 more | 6 hr |
| Dec 11, 6:02 PM CST | Freezing Rain Advisory | FSD | Lyon, Plymouth, Sioux | 9 hr |
| Dec 11, 7:21 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Dallas and 14 more | 2 hr |
| Dec 11, 8:21 PM CST | Severe Thunderstorm Warning | OAX | Page | 39 min |
| Dec 11, 8:37 PM CST | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 8 more | 21 hr |
| Dec 11, 8:41 PM CST | Severe Thunderstorm Warning | DMX | Adams, Taylor | 49 min |
| Dec 11, 8:54 PM CST | Severe Thunderstorm Warning | OAX | Page | 22 min |
| Dec 11, 9:23 PM CST | Severe Thunderstorm Warning | DMX | Dallas, Madison | 37 min |
| Dec 11, 10:11 PM CST | Severe Thunderstorm Warning | DMX | Story | 34 min |
| Dec 12, 4:49 AM CST | Dense Fog Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 16 more | 4 hr |
| Dec 12, 9:17 AM CST | Dense Fog Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 16 more | 3 hr |
| Dec 14, 3:30 AM CST | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 14 hr |
| Dec 14, 3:45 AM CST | Wind Advisory | DMX | Boone, Butler, Calhoun, Carroll, Cerro Gordo, Crawford and 16 more | 12 hr |
| Dec 18, 3:58 PM CST | Winter Storm Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 36 hr |
| Dec 19, 4:54 PM CST | Freezing Rain Advisory | FSD | Lyon, Plymouth, Sioux | 18 hr |
| Dec 20, 3:41 AM CST | Winter Weather Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 55 hr |
| Dec 20, 3:58 AM CST | Winter Weather Advisory | OAX | Monona | 26 hr |
| Dec 20, 3:13 PM CST | Winter Weather Advisory | DMX | Calhoun, Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth and 5 more | 6 hr |
| Dec 21, 4:12 AM CST | Dense Fog Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 7 hr |
| Dec 21, 7:16 AM CST | Dense Fog Advisory | DMX | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 24 more | 7 hr |
| Dec 21, 2:17 PM CST | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 22 hr |
| Dec 21, 6:13 PM CST | Dense Fog Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 16 hr |
| Dec 21, 8:04 PM CST | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 16 hr |
| Dec 21, 9:18 PM CST | Dense Fog Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 3 more | 9 hr |
| Dec 29, 4:18 PM CST | Winter Weather Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 48 hr |
| Dec 30, 3:24 PM CST | Winter Weather Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 24 hr |
| Dec 30, 9:02 PM CST | Winter Storm Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 7 hr |
| Dec 31, 12:53 AM CST | Mesoscale Discussion | SPC | Lyon, Sioux | 5 hr |
| Dec 31, 3:47 AM CST | Snow Advisory | DMX | Adair, Adams, Audubon, Calhoun, Carroll, Cass and 12 more | 18 hr |
| Dec 31, 6:29 AM CST | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Harrison and 8 more | 6 hr |
| Dec 31, 9:54 AM CST | Heavy Snow Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien | 8 hr |
| Dec 31, 11:33 AM CST | Winter Storm Warning | DMX | Calhoun, Carroll, Crawford, Emmet, Palo Alto, Pocahontas and 1 more | 8 hr |
| Dec 31, 3:23 PM CST | Snow Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 2 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 631 |
| Tornado Warning | 55 |
| Severe Thunderstorm Watch | 48 |
| Tornado Watch | 24 |
| Mesoscale Discussion | 181 |
| Flooding | |
| Flash Flood Warning | 14 |
| Flash Flood Watch | 5 |
| Flood Watch | 9 |
| Winter | |
| Heavy Snow Warning | 3 |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 18 |
| Winter Storm Watch | 18 |
| Blowing Snow Advisory | 1 |
| Freezing Rain Advisory | 7 |
| Snow Advisory | 17 |
| Snow and Blowing Snow Advisory | 3 |
| Winter Weather Advisory | 38 |
| Heat | |
| Heat Advisory | 13 |
| Cold | |
| Freeze Warning | 6 |
| Freeze Watch | 1 |
| Frost Advisory | 7 |
| Wind Chill Advisory | 7 |
| Wind and dust | |
| High Wind Warning | 3 |
| Wind Advisory | 45 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 33 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cedar County116
- Clinton County115
- Johnson County109
- Jackson County108
- Scott County108
- Davis County104
- Woodbury County103
- Warren County103
- Sioux County100
- Jones County100
- Muscatine County100
- O'Brien County99
- Plymouth County99
- Linn County99
- Polk County99
- Lyon County98
- Osceola County98
- Clay County98
- Iowa County97
- Louisa County97
- Washington County97
- Henry County95
- Dubuque County95
- Dickinson County94
- Des Moines County94
- Story County94
- Dallas County93
- Madison County93
- Crawford County93
- Van Buren County92
- Wapello County92
- Marion County92
- Cherokee County91
- Lee County91
- Delaware County91
- Boone County91
- Buena Vista County90
- Marshall County90
- Benton County89
- Appanoose County89
59 more counties
- Ida County88
- Jefferson County88
- Adair County88
- Guthrie County88
- Jasper County88
- Carroll County88
- Pocahontas County87
- Webster County87
- Audubon County87
- Cass County87
- Calhoun County85
- Buchanan County85
- Lucas County85
- Wayne County85
- Cerro Gordo County84
- Kossuth County84
- Worth County84
- Monona County84
- Keokuk County84
- Clarke County84
- Mahaska County84
- Monroe County84
- Humboldt County83
- Poweshiek County83
- Harrison County83
- Decatur County82
- Black Hawk County82
- Union County82
- Hancock County81
- Grundy County81
- Hamilton County81
- Hardin County81
- Taylor County81
- Greene County81
- Sac County80
- Tama County80
- Allamakee County80
- Emmet County79
- Palo Alto County79
- Pottawattamie County79
- Winneshiek County78
- Wright County77
- Clayton County76
- Adams County76
- Bremer County75
- Butler County75
- Franklin County75
- Shelby County75
- Winnebago County74
- Fayette County74
- Page County74
- Ringgold County73
- Fremont County71
- Montgomery County71
- Mitchell County70
- Mills County70
- Chickasaw County69
- Floyd County63
- Howard County63
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20052007
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.