Alert archive / Iowa / 2021
Weather alerts in Iowa, July 2021
245 weather alerts in July 2021, 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 July 2021. Tap one for its archive.
- Alerts
- 245
- Warnings
- 119
- Watches
- 18
- Advisories
- 13
- Busiest day
- July 14, 202160 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Jul 1, 4:24 AM CDT | Dense Fog Advisory | DVN | Clinton, Des Moines, Henry, Lee, Louisa, Muscatine and 1 more | 4 hr |
| Jul 5, 3:24 AM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 17 hr |
| Jul 5, 5:44 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Hancock, Humboldt, Kossuth and 9 more | 2 hr |
| Jul 5, 6:37 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 38 min |
| Jul 5, 6:58 PM CDT | Special Weather Statement | DMX | Bremer, Butler, Franklin | 62 min |
| Jul 5, 7:16 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 44 min |
| Jul 5, 7:24 PM CDT | Special Weather Statement | ARX | Fayette | 36 min |
| Jul 5, 7:57 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Osceola | 33 min |
| Jul 5, 8:00 PM CDT | Special Weather Statement | ARX | Fayette | 30 min |
| Jul 5, 8:24 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, O'Brien, Osceola | 66 min |
| Jul 5, 8:49 PM CDT | Special Weather Statement | DMX | Butler | 26 min |
| Jul 6, 1:06 PM CDT | Mesoscale Discussion | SPC | Lyon, Osceola, Sioux | 114 min |
| Jul 6, 2:01 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson and 16 more | 8 hr |
| Jul 6, 5:22 PM CDT | Mesoscale Discussion | SPC | Allamakee, Cerro Gordo, Chickasaw, Clay, Dickinson, Emmet and 14 more | 113 min |
| Jul 6, 8:00 PM CDT | Mesoscale Discussion | SPC | Howard, Mitchell, Winnebago, Winneshiek, Worth | 2 hr |
| Jul 7, 1:08 AM CDT | Special Weather Statement | ARX | Allamakee, Clayton, Fayette | 52 min |
| Jul 7, 2:02 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee, Louisa | 88 min |
| Jul 7, 4:35 PM CDT | Special Weather Statement | DVN | Scott | 40 min |
| Jul 7, 4:53 PM CDT | Special Weather Statement | DVN | Scott | 37 min |
| Jul 7, 5:38 PM CDT | Special Weather Statement | DVN | Clinton | 37 min |
| Jul 8, 9:33 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Ida, Lyon, O'Brien and 3 more | 5 hr |
| Jul 8, 11:45 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 45 min |
| Jul 8, 11:50 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 40 min |
| Jul 9, 12:29 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 46 min |
| Jul 9, 12:44 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 46 min |
| Jul 9, 12:46 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 44 min |
| Jul 9, 1:14 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 31 min |
| Jul 9, 2:15 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 45 min |
| Jul 9, 2:29 AM CDT | Special Weather Statement | OAX | Shelby | 31 min |
| Jul 9, 2:41 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Ida, Lyon and 6 more | 34 min |
| Jul 9, 2:49 AM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 40 hr |
| Jul 9, 2:59 AM CDT | Flood Watch | DMX | Appanoose, Davis, Monroe, Wapello, Wayne | 13 min |
| Jul 9, 3:12 AM CDT | Flash Flood Watch | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Madison and 4 more | 30 hr |
| Jul 9, 6:48 AM CDT | Special Weather Statement | OAX | Shelby | 27 min |
| Jul 9, 8:09 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Union | 28 min |
| Jul 9, 9:24 AM CDT | Special Weather Statement | DMX | Wayne | 21 min |
| Jul 9, 12:04 PM CDT | Special Weather Statement | DMX | Webster | 26 min |
| Jul 9, 12:28 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Hamilton, Webster | 47 min |
| Jul 9, 1:01 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Polk, Story | 44 min |
| Jul 9, 1:27 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Madison, Polk, Story | 63 min |
| Jul 9, 1:28 PM CDT | Mesoscale Discussion | SPC | Boone, Dallas, Lucas, Polk, Warren | 2 hr |
| Jul 9, 2:06 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Madison, Marion, Polk, Warren | 54 min |
| Jul 9, 5:04 PM CDT | Special Weather Statement | DVN | Iowa | 26 min |
| Jul 9, 5:16 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Keokuk, Washington | 29 min |
| Jul 9, 5:34 PM CDT | Special Weather Statement | DVN | Benton | 26 min |
| Jul 9, 5:40 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 15 more | 95 min |
| Jul 9, 5:59 PM CDT | Special Weather Statement | DVN | Benton, Des Moines, Henry, Iowa, Jefferson, Johnson and 3 more | 31 min |
| Jul 9, 6:07 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Washington | 23 min |
| Jul 9, 6:23 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Louisa | 37 min |
| Jul 9, 6:37 PM CDT | Special Weather Statement | DVN | Iowa | 23 min |
| Jul 9, 6:50 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry | 25 min |
| Jul 9, 7:08 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 37 min |
| Jul 9, 7:08 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Iowa, Jefferson, Johnson, Keokuk and 4 more | 3 hr |
| Jul 9, 7:19 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 41 min |
| Jul 9, 7:29 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Keokuk, Louisa, Washington | 31 min |
| Jul 9, 7:51 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Washington | 24 min |
| Jul 9, 8:25 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Lee, Van Buren | 35 min |
| Jul 9, 8:57 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 33 min |
| Jul 9, 9:12 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Fremont, Harrison, Mills and 7 more | 2 hr |
| Jul 9, 9:16 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 44 min |
| Jul 9, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 15 min |
| Jul 9, 9:38 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 52 min |
| Jul 9, 9:58 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Carroll, Cass, Clarke and 16 more | 7 hr |
| Jul 9, 10:21 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 39 min |
| Jul 9, 10:52 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 38 min |
| Jul 9, 11:02 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 29 min |
| Jul 9, 11:19 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 41 min |
| Jul 9, 11:30 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Mills, Montgomery, Pottawattamie, Shelby | 45 min |
| Jul 9, 11:38 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 52 min |
| Jul 9, 11:41 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 49 min |
| Jul 9, 11:55 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 65 min |
| Jul 9, 11:56 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 49 min |
| Jul 10, 12:13 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 47 min |
| Jul 10, 12:26 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 19 min |
| Jul 10, 12:40 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 50 min |
| Jul 10, 12:41 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass, Ringgold, Taylor, Union | 64 min |
| Jul 10, 12:42 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 18 min |
| Jul 10, 12:44 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 61 min |
| Jul 10, 4:25 AM CDT | Special Weather Statement | DVN | Jefferson, Keokuk, Van Buren | 95 min |
| Jul 10, 1:20 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page | 115 min |
| Jul 10, 1:31 PM CDT | Special Weather Statement | OAX | Harrison, Monona | 74 min |
| Jul 10, 1:56 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 64 min |
| Jul 10, 2:18 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 42 min |
| Jul 10, 2:18 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Audubon, Cass, Fremont, Harrison, Mills and 5 more | 7 hr |
| Jul 10, 2:49 PM CDT | Special Weather Statement | DMX | Carroll, Crawford, Sac | 56 min |
| Jul 10, 3:44 PM CDT | Mesoscale Discussion | SPC | Fremont, Page | 91 min |
| Jul 10, 4:36 PM CDT | Tornado Warning | DMX | Dallas, Guthrie | 24 min |
| Jul 10, 5:00 PM CDT | Tornado Warning | DMX | Dallas | 30 min |
| Jul 11, 10:56 AM CDT | Flash Flood Warning | DVN | Henry, Jefferson, Lee, Van Buren | 4 hr |
| Jul 13, 5:13 PM CDT | Special Weather Statement | DMX | Adams | 62 min |
| Jul 14, 5:38 AM CDT | Special Weather Statement | DVN | Buchanan | 37 min |
| Jul 14, 5:43 AM CDT | Special Weather Statement | ARX | Fayette | 62 min |
| Jul 14, 6:23 AM CDT | Special Weather Statement | ARX | Fayette | 67 min |
| Jul 14, 6:55 AM CDT | Special Weather Statement | ARX | Clayton | 65 min |
| Jul 14, 7:02 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 43 more | 2 hr |
| Jul 14, 7:17 AM CDT | Special Weather Statement | DMX | Emmet, Humboldt, Kossuth, Palo Alto, Pocahontas | 58 min |
| Jul 14, 8:08 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago | 52 min |
| Jul 14, 8:24 AM CDT | Special Weather Statement | DMX | Butler, Cerro Gordo, Franklin, Hancock, Winnebago, Worth | 66 min |
| Jul 14, 8:39 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Cerro Gordo, Franklin, Grundy, Hancock, Hardin and 1 more | 66 min |
| Jul 14, 8:43 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 62 min |
| Jul 14, 8:49 AM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall, Story, Tama | 56 min |
| Jul 14, 8:54 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 13 more | 5 hr |
| Jul 14, 9:06 AM CDT | Severe Thunderstorm Warning | ARX | Floyd | 39 min |
| Jul 14, 9:32 AM CDT | Special Weather Statement | DVN | Keokuk | 28 min |
| Jul 14, 9:40 AM CDT | Special Weather Statement | DMX | Black Hawk, Bremer, Tama | 65 min |
| Jul 14, 10:02 AM CDT | Special Weather Statement | DVN | Benton, Iowa, Jefferson, Keokuk, Washington | 28 min |
| Jul 14, 10:28 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Henry, Iowa, Jefferson, Johnson and 1 more | 32 min |
| Jul 14, 10:58 AM CDT | Special Weather Statement | DVN | Delaware, Johnson, Linn, Louisa, Washington | 32 min |
| Jul 14, 11:31 AM CDT | Special Weather Statement | DVN | Cedar, Clinton, Dubuque, Jackson, Jones, Scott | 29 min |
| Jul 14, 11:40 AM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson | 35 min |
| Jul 14, 11:45 AM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Dubuque, Jackson, Jones | 2 hr |
| Jul 14, 12:15 PM CDT | Special Weather Statement | DVN | Clinton, Dubuque, Jackson | 30 min |
| Jul 14, 12:35 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 40 min |
| Jul 14, 1:07 PM CDT | Special Weather Statement | DVN | Scott | 38 min |
| Jul 14, 1:40 PM CDT | Mesoscale Discussion | SPC | Audubon, Black Hawk, Boone, Bremer, Buena Vista, Butler and 38 more | 2 hr |
| Jul 14, 2:35 PM CDT | Tornado Watch | SPC | Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 41 more | 8 hr |
| Jul 14, 3:55 PM CDT | Tornado Warning | DMX | Calhoun, Carroll, Greene | 35 min |
| Jul 14, 4:04 PM CDT | Tornado Warning | DMX | Boone, Hamilton, Story, Webster | 41 min |
| Jul 14, 4:17 PM CDT | Mesoscale Discussion | SPC | Boone, Butler, Calhoun, Franklin, Greene, Grundy and 5 more | 58 min |
| Jul 14, 4:23 PM CDT | Tornado Warning | DMX | Franklin, Hamilton, Hardin, Wright | 37 min |
| Jul 14, 4:29 PM CDT | Tornado Warning | DMX | Calhoun, Greene, Webster | 31 min |
| Jul 14, 4:29 PM CDT | Tornado Warning | DMX | Hamilton, Hardin | 31 min |
| Jul 14, 4:30 PM CDT | Tornado Warning | DMX | Butler | 30 min |
| Jul 14, 4:35 PM CDT | Tornado Warning | DMX | Franklin, Hardin | 40 min |
| Jul 14, 4:53 PM CDT | Tornado Warning | DMX | Bremer, Butler | 37 min |
| Jul 14, 4:56 PM CDT | Tornado Warning | DMX | Hamilton, Hardin | 25 min |
| Jul 14, 5:00 PM CDT | Tornado Warning | DMX | Hamilton, Hardin, Story | 25 min |
| Jul 14, 5:06 PM CDT | Special Weather Statement | OAX | Monona | 39 min |
| Jul 14, 5:18 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler | 42 min |
| Jul 14, 5:18 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin | 42 min |
| Jul 14, 5:23 PM CDT | Tornado Warning | DMX | Black Hawk, Bremer, Butler | 37 min |
| Jul 14, 5:33 PM CDT | Tornado Warning | ARX | Floyd | 42 min |
| Jul 14, 5:42 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Delaware, Dubuque, Jackson, Jones | 63 min |
| Jul 14, 5:47 PM CDT | Mesoscale Discussion | SPC | Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 29 more | 118 min |
| Jul 14, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy | 41 min |
| Jul 14, 5:50 PM CDT | Tornado Warning | DMX | Cerro Gordo | 25 min |
| Jul 14, 5:53 PM CDT | Tornado Warning | DMX | Black Hawk, Bremer | 37 min |
| Jul 14, 5:58 PM CDT | Tornado Warning | DMX | Calhoun | 47 min |
| Jul 14, 6:00 PM CDT | Tornado Warning | ARX | Fayette | 45 min |
| Jul 14, 6:02 PM CDT | Tornado Warning | DMX | Black Hawk, Grundy, Marshall, Tama | 43 min |
| Jul 14, 6:04 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 41 min |
| Jul 14, 6:09 PM CDT | Tornado Warning | ARX | Chickasaw, Floyd | 52 min |
| Jul 14, 6:13 PM CDT | Tornado Watch | SPC | Allamakee, Cedar, Clayton, Clinton, Delaware, Dubuque and 7 more | 6 hr |
| Jul 14, 6:25 PM CDT | Tornado Warning | DVN | Buchanan | 50 min |
| Jul 14, 6:32 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 43 min |
| Jul 14, 6:42 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 48 min |
| Jul 14, 6:42 PM CDT | Tornado Warning | DMX | Webster | 36 min |
| Jul 14, 6:55 PM CDT | Tornado Warning | DMX | Tama | 19 min |
| Jul 14, 6:56 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 49 min |
| Jul 14, 6:58 PM CDT | Tornado Warning | DVN | Benton | 47 min |
| Jul 14, 7:03 PM CDT | Special Weather Statement | DMX | Story | 42 min |
| Jul 14, 7:23 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 67 min |
| Jul 14, 7:28 PM CDT | Tornado Warning | DVN | Buchanan, Delaware | 17 min |
| Jul 14, 7:29 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 14 min |
| Jul 14, 7:37 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Linn | 38 min |
| Jul 14, 7:40 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 35 min |
| Jul 14, 7:43 PM CDT | Tornado Warning | DVN | Benton | 32 min |
| Jul 14, 7:43 PM CDT | Tornado Warning | DVN | Buchanan, Delaware | 32 min |
| Jul 14, 7:53 PM CDT | Tornado Warning | DVN | Benton | 27 min |
| Jul 14, 8:10 PM CDT | Tornado Warning | DMX | Marshall | 35 min |
| Jul 14, 8:11 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 19 min |
| Jul 14, 8:14 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Linn | 46 min |
| Jul 14, 8:19 PM CDT | Tornado Warning | DVN | Benton, Linn | 22 min |
| Jul 14, 8:28 PM CDT | Flash Flood Warning | DMX | Marshall, Polk, Story | 6 hr |
| Jul 14, 8:31 PM CDT | Tornado Warning | DVN | Benton, Linn | 29 min |
| Jul 14, 8:35 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Buchanan, Fayette, Grundy, Jasper and 5 more | 25 min |
| Jul 14, 8:42 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 43 min |
| Jul 14, 8:45 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 45 min |
| Jul 14, 8:56 PM CDT | Tornado Warning | DVN | Delaware, Linn | 49 min |
| Jul 14, 9:08 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 32 min |
| Jul 14, 9:15 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Clinton, Delaware, Dubuque, Jackson and 2 more | 90 min |
| Jul 14, 9:29 PM CDT | Tornado Warning | DVN | Delaware, Jones | 46 min |
| Jul 14, 10:02 PM CDT | Tornado Warning | DVN | Jones | 43 min |
| Jul 14, 10:14 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn | 46 min |
| Jul 14, 10:34 PM CDT | Tornado Warning | DVN | Cedar | 26 min |
| Jul 14, 10:41 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 49 min |
| Jul 14, 10:52 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jones, Scott | 38 min |
| Jul 14, 11:10 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 50 min |
| Jul 14, 11:17 PM CDT | Mesoscale Discussion | SPC | Clinton, Muscatine, Scott | 58 min |
| Jul 15, 8:58 AM CDT | Special Weather Statement | DVN | Henry, Jefferson | 47 min |
| Jul 15, 5:23 PM CDT | Special Weather Statement | DVN | Clinton | 37 min |
| Jul 23, 3:06 AM CDT | Heat Advisory | OAX | Fremont, Mills, Montgomery, Page | 41 hr |
| Jul 23, 3:17 AM CDT | Heat Advisory | DMX | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 10 more | 41 hr |
| Jul 23, 3:18 AM CDT | Heat Advisory | DVN | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more | 41 hr |
| Jul 24, 3:00 PM CDT | Mesoscale Discussion | SPC | Clinton, Des Moines, Louisa, Muscatine, Scott | 2 hr |
| Jul 26, 3:11 AM CDT | Excessive Heat Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 35 hr |
| Jul 26, 3:11 AM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 42 hr |
| Jul 26, 3:18 AM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 4 days |
| Jul 26, 3:33 AM CDT | Excessive Heat Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 36 hr |
| Jul 27, 3:12 AM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 64 hr |
| Jul 27, 3:44 AM CDT | Heat Advisory | DMX | Calhoun, Carroll, Crawford, Emmet, Humboldt, Kossuth and 3 more | 16 hr |
| Jul 27, 2:22 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 31 hr |
| Jul 27, 3:04 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 52 hr |
| Jul 27, 3:10 PM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 30 hr |
| Jul 27, 7:33 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 11 more | 87 min |
| Jul 27, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Buchanan, Chickasaw, Clayton, Delaware and 7 more | 6 hr |
| Jul 27, 10:24 PM CDT | Special Weather Statement | ARX | Howard, Winneshiek | 81 min |
| Jul 27, 10:35 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Chickasaw, Clayton, Delaware and 5 more | 55 min |
| Jul 27, 11:06 PM CDT | Special Weather Statement | ARX | Chickasaw, Howard, Winneshiek | 54 min |
| Jul 27, 11:58 PM CDT | Special Weather Statement | ARX | Clayton, Fayette | 77 min |
| Jul 28, 12:28 AM CDT | Special Weather Statement | DVN | Buchanan | 47 min |
| Jul 28, 12:50 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 40 min |
| Jul 28, 12:50 AM CDT | Mesoscale Discussion | SPC | Benton, Buchanan, Clayton, Delaware, Dubuque, Jackson and 2 more | 55 min |
| Jul 28, 1:29 AM CDT | Special Weather Statement | DVN | Linn | 31 min |
| Jul 28, 1:52 AM CDT | Special Weather Statement | DVN | Dubuque | 38 min |
| Jul 28, 2:37 AM CDT | Special Weather Statement | DVN | Jackson | 38 min |
| Jul 28, 7:17 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton, Fayette, Winneshiek | 7 hr |
| Jul 28, 11:24 PM CDT | Mesoscale Discussion | SPC | Allamakee | 96 min |
| Jul 29, 12:26 AM CDT | Special Weather Statement | ARX | Allamakee, Clayton | 94 min |
| Jul 29, 1:42 AM CDT | Special Weather Statement | DVN | Delaware, Dubuque | 63 min |
| Jul 29, 2:35 AM CDT | Special Weather Statement | DVN | Dubuque, Jackson | 55 min |
| Jul 29, 3:31 AM CDT | Special Weather Statement | DVN | Dubuque, Jackson | 29 min |
| Jul 29, 4:04 AM CDT | Special Weather Statement | DVN | Clinton, Jackson | 41 min |
| Jul 29, 4:47 AM CDT | Special Weather Statement | DVN | Clinton, Scott | 43 min |
| Jul 29, 8:36 AM CDT | Special Weather Statement | DVN | Muscatine | 24 min |
| Jul 29, 9:27 AM CDT | Special Weather Statement | DVN | Washington | 33 min |
| Jul 29, 9:55 AM CDT | Special Weather Statement | DVN | Louisa | 35 min |
| Jul 29, 10:11 AM CDT | Special Weather Statement | DVN | Washington | 34 min |
| Jul 29, 10:27 AM CDT | Special Weather Statement | DVN | Des Moines, Louisa | 33 min |
| Jul 29, 10:48 AM CDT | Special Weather Statement | DVN | Henry | 27 min |
| Jul 29, 11:03 AM CDT | Special Weather Statement | DVN | Des Moines | 27 min |
| Jul 29, 11:16 AM CDT | Special Weather Statement | DVN | Des Moines | 29 min |
| Jul 29, 11:31 AM CDT | Special Weather Statement | DVN | Van Buren | 29 min |
| Jul 29, 12:15 PM CDT | Special Weather Statement | DVN | Lee | 30 min |
| Jul 29, 2:19 PM CDT | Mesoscale Discussion | SPC | Davis, Lee, Van Buren | 116 min |
| Jul 30, 3:03 PM CDT | Flash Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 14 hr |
| Jul 30, 3:19 PM CDT | Flash Flood Watch | DMX | Adair, Adams, Audubon, Cass, Clarke, Decatur and 8 more | 15 hr |
| Jul 30, 8:06 PM CDT | Special Weather Statement | OAX | Pottawattamie | 24 min |
| Jul 30, 8:12 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 33 min |
| Jul 30, 8:16 PM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Mills, Montgomery, Page and 2 more | 59 min |
| Jul 30, 8:42 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Page, Pottawattamie | 33 min |
| Jul 30, 8:47 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Decatur, Fremont, Mills, Montgomery, Page and 4 more | 5 hr |
| Jul 30, 9:03 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Page | 42 min |
| Jul 30, 9:13 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 32 min |
| Jul 30, 9:38 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union | 37 min |
| Jul 30, 9:39 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 51 min |
| Jul 30, 9:52 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 34 min |
| Jul 30, 10:12 PM CDT | Tornado Warning | OAX | Page | 18 min |
| Jul 31, 1:02 AM CDT | Dense Fog Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 1 more | 8 hr |
| Jul 31, 1:27 AM CDT | Special Weather Statement | ARX | Allamakee, Howard, Mitchell, Winneshiek | 3 hr |
| Jul 31, 2:14 AM CDT | Special Weather Statement | OAX | Pottawattamie | 76 min |
| Jul 31, 1:06 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Chickasaw, Clayton, Fayette, Howard and 2 more | 2 hr |
| Jul 31, 5:51 PM CDT | Special Weather Statement | ARX | Allamakee, Howard, Winneshiek | 54 min |
| Jul 31, 6:15 PM CDT | Special Weather Statement | ARX | Allamakee, Howard, Winneshiek | 60 min |
| Jul 31, 6:33 PM CDT | Special Weather Statement | ARX | Allamakee, Howard, Winneshiek | 57 min |
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 | 81 |
| Tornado Warning | 36 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 67 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Heat | |
| Excessive Heat Watch | 2 |
| Heat Advisory | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Buchanan County22
- Delaware County22
- Allamakee County21
- Benton County21
- Fayette County20
- Bremer County19
- Butler County19
- Pottawattamie County19
- Dubuque County19
- Henry County18
- Winneshiek County18
- Jackson County18
- Howard County17
- Clayton County17
- Linn County17
- Harrison County16
- Story County16
- Black Hawk County16
- Grundy County16
- Page County16
- Hardin County16
- Clinton County15
- Sioux County15
- Tama County15
- Mills County15
- Des Moines County14
- Clay County14
- Lyon County14
- Osceola County14
- Plymouth County14
- Franklin County14
- Cerro Gordo County14
- Shelby County14
- Washington County14
- Jones County14
- Fremont County14
- Montgomery County14
- Lee County13
- Louisa County13
- O'Brien County13
59 more counties
- Webster County13
- Worth County13
- Chickasaw County13
- Adams County13
- Hamilton County13
- Iowa County13
- Ringgold County13
- Marshall County13
- Scott County12
- Cherokee County12
- Hancock County12
- Mitchell County12
- Floyd County12
- Jefferson County12
- Union County12
- Boone County12
- Polk County12
- Buena Vista County11
- Kossuth County11
- Winnebago County11
- Monona County11
- Greene County11
- Johnson County11
- Calhoun County11
- Ida County10
- Woodbury County10
- Humboldt County10
- Palo Alto County10
- Wright County10
- Crawford County10
- Dallas County10
- Keokuk County10
- Cass County10
- Taylor County10
- Carroll County10
- Dickinson County9
- Emmet County9
- Sac County9
- Van Buren County9
- Wayne County9
- Clarke County9
- Decatur County9
- Audubon County9
- Muscatine County8
- Pocahontas County8
- Madison County8
- Adair County8
- Jasper County8
- Cedar County8
- Guthrie County8
- Warren County7
- Poweshiek County7
- Davis County6
- Lucas County6
- Appanoose County5
- Monroe County5
- Wapello County5
- Marion County4
- Mahaska County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.