Alert archive / Iowa / 2021
Weather alerts in Iowa, August 2021
372 weather alerts in August 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 August 2021. Tap one for its archive.
- Alerts
- 372
- Warnings
- 182
- Watches
- 18
- Advisories
- 24
- Busiest day
- August 27, 202148 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 |
|---|---|---|---|---|
| Aug 5, 8:57 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 48 min |
| Aug 5, 9:31 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 44 min |
| Aug 5, 9:34 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 7 more | 86 min |
| Aug 5, 10:04 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 41 min |
| Aug 5, 10:11 PM CDT | Special Weather Statement | DMX | Calhoun, Palo Alto, Pocahontas | 64 min |
| Aug 6, 12:10 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 35 min |
| Aug 6, 12:24 AM CDT | Special Weather Statement | DMX | Audubon, Guthrie | 66 min |
| Aug 6, 1:06 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 39 min |
| Aug 6, 1:21 AM CDT | Special Weather Statement | DMX | Adair, Adams, Cass, Madison | 54 min |
| Aug 6, 1:36 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 24 min |
| Aug 6, 3:30 AM CDT | Special Weather Statement | DVN | Lee | 30 min |
| Aug 6, 4:34 AM CDT | Special Weather Statement | DVN | Des Moines | 26 min |
| Aug 6, 11:54 PM CDT | Mesoscale Discussion | SPC | Lyon, Sioux | 2 hr |
| Aug 7, 2:10 AM CDT | Mesoscale Discussion | SPC | Lyon, Osceola | 2 hr |
| Aug 7, 11:03 AM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 11 more | 2 hr |
| Aug 7, 3:46 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 7 more | 119 min |
| Aug 7, 6:18 PM CDT | Flash Flood Watch | ARX | Allamakee, Winneshiek | 35 hr |
| Aug 7, 6:35 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 6 hr |
| Aug 7, 8:39 PM CDT | Areal Flood Advisory | OAX | Mills, Pottawattamie | 3 hr |
| Aug 7, 8:41 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 49 min |
| Aug 7, 8:50 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 40 min |
| Aug 7, 9:05 PM CDT | Flash Flood Warning | OAX | Pottawattamie | 4 hr |
| Aug 7, 9:24 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 51 min |
| Aug 7, 9:35 PM CDT | Flash Flood Warning | OAX | Pottawattamie | 3 hr |
| Aug 7, 9:35 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Decatur, Fremont and 7 more | 85 min |
| Aug 7, 10:30 PM CDT | Flash Flood Warning | OAX | Pottawattamie | 89 min |
| Aug 7, 10:38 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 52 min |
| Aug 7, 11:19 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Madison, Montgomery and 4 more | 86 min |
| Aug 7, 11:25 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 36 min |
| Aug 8, 12:03 AM CDT | Special Weather Statement | DMX | Adams, Taylor | 57 min |
| Aug 8, 12:26 AM CDT | Special Weather Statement | DMX | Greene | 49 min |
| Aug 8, 12:41 AM CDT | Areal Flood Warning | OAX | Fremont, Mills, Pottawattamie | 12 hr |
| Aug 8, 12:45 AM CDT | Special Weather Statement | DMX | Greene | 30 min |
| Aug 8, 12:51 AM CDT | Special Weather Statement | DMX | Decatur, Ringgold, Union | 54 min |
| Aug 8, 1:20 AM CDT | Special Weather Statement | DMX | Tama | 55 min |
| Aug 8, 1:29 AM CDT | Special Weather Statement | DMX | Clarke, Decatur, Lucas, Wayne | 46 min |
| Aug 8, 1:29 AM CDT | Special Weather Statement | DVN | Benton | 31 min |
| Aug 8, 1:41 AM CDT | Special Weather Statement | DMX | Story | 49 min |
| Aug 8, 1:59 AM CDT | Special Weather Statement | DVN | Benton | 31 min |
| Aug 8, 2:03 AM CDT | Special Weather Statement | DMX | Grundy, Hardin | 42 min |
| Aug 8, 2:24 AM CDT | Special Weather Statement | DMX | Black Hawk | 51 min |
| Aug 8, 2:32 AM CDT | Special Weather Statement | DVN | Benton | 28 min |
| Aug 8, 2:56 AM CDT | Special Weather Statement | ARX | Howard | 34 min |
| Aug 8, 3:11 AM CDT | Special Weather Statement | DMX | Black Hawk | 64 min |
| Aug 8, 3:41 AM CDT | Special Weather Statement | ARX | Howard | 34 min |
| Aug 8, 2:24 PM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 53 hr |
| Aug 8, 2:37 PM CDT | Heat Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 54 hr |
| Aug 8, 3:39 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Black Hawk, Boone, Bremer and 26 more | 51 hr |
| Aug 8, 4:10 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 50 min |
| Aug 8, 4:29 PM CDT | Tornado Warning | FSD | Osceola | 31 min |
| Aug 8, 4:50 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, O'Brien, Osceola | 55 min |
| Aug 8, 5:04 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 11 more | 86 min |
| Aug 8, 5:26 PM CDT | Tornado Warning | FSD | Clay, Dickinson, O'Brien | 49 min |
| Aug 8, 6:31 PM CDT | Tornado Warning | FSD | Buena Vista, Clay | 44 min |
| Aug 8, 7:15 PM CDT | Tornado Warning | FSD | Buena Vista, Clay | 45 min |
| Aug 8, 8:36 PM CDT | Tornado Warning | DMX | Pocahontas | 24 min |
| Aug 8, 9:02 PM CDT | Tornado Warning | DMX | Calhoun, Pocahontas | 31 min |
| Aug 8, 9:50 PM CDT | Special Weather Statement | ARX | Allamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek | 55 min |
| Aug 8, 10:39 PM CDT | Special Weather Statement | DMX | Webster | 51 min |
| Aug 8, 11:00 PM CDT | Tornado Warning | DMX | Webster | 30 min |
| Aug 8, 11:30 PM CDT | Tornado Warning | DMX | Webster | 30 min |
| Aug 8, 11:52 PM CDT | Tornado Warning | DMX | Boone, Webster | 38 min |
| Aug 8, 11:58 PM CDT | Mesoscale Discussion | SPC | Boone, Hamilton, Polk, Story | 2 hr |
| Aug 9, 12:10 AM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd | 6 hr |
| Aug 9, 12:23 AM CDT | Tornado Warning | DMX | Butler, Franklin | 20 min |
| Aug 9, 12:29 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Webster | 46 min |
| Aug 9, 3:55 AM CDT | Special Weather Statement | DVN | Buchanan | 35 min |
| Aug 9, 4:31 AM CDT | Special Weather Statement | DVN | Delaware | 29 min |
| Aug 9, 5:06 AM CDT | Special Weather Statement | DVN | Delaware | 24 min |
| Aug 9, 5:37 AM CDT | Special Weather Statement | DVN | Dubuque | 38 min |
| Aug 9, 1:55 PM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Winneshiek | 28 hr |
| Aug 10, 3:02 AM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 42 hr |
| Aug 10, 12:50 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 25 min |
| Aug 10, 12:56 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more | 30 hr |
| Aug 10, 1:12 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 35 more | 93 min |
| Aug 10, 1:48 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler | 42 min |
| Aug 10, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 28 more | 6 hr |
| Aug 10, 2:10 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette, Winneshiek | 50 min |
| Aug 10, 2:14 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 46 min |
| Aug 10, 2:26 PM CDT | Heat Advisory | ARX | Clayton | 27 hr |
| Aug 10, 2:28 PM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 29 hr |
| Aug 10, 2:33 PM CDT | Special Weather Statement | DVN | Buchanan | 27 min |
| Aug 10, 2:42 PM CDT | Special Weather Statement | DVN | Benton | 33 min |
| Aug 10, 2:43 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton, Fayette, Winneshiek | 62 min |
| Aug 10, 2:55 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 50 min |
| Aug 10, 2:57 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 18 min |
| Aug 10, 3:00 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Poweshiek, Tama | 60 min |
| Aug 10, 3:07 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 23 min |
| Aug 10, 3:23 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 52 min |
| Aug 10, 3:25 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Linn | 50 min |
| Aug 10, 3:29 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 31 min |
| Aug 10, 3:49 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Iowa | 41 min |
| Aug 10, 3:56 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 64 min |
| Aug 10, 3:59 PM CDT | Special Weather Statement | DMX | Tama | 46 min |
| Aug 10, 4:04 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones, Linn | 56 min |
| Aug 10, 4:28 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 36 min |
| Aug 10, 4:38 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jackson, Jones, Linn | 52 min |
| Aug 10, 5:00 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson, Jones | 45 min |
| Aug 10, 5:51 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Jackson, Jones, Muscatine, Scott | 84 min |
| Aug 11, 5:38 AM CDT | Special Weather Statement | DVN | Lee | 37 min |
| Aug 11, 5:56 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 19 min |
| Aug 11, 6:10 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 20 min |
| Aug 11, 6:24 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 22 min |
| Aug 11, 6:26 AM CDT | Mesoscale Discussion | SPC | Des Moines, Lee | 2 hr |
| Aug 11, 6:38 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 37 min |
| Aug 11, 6:59 AM CDT | Flash Flood Warning | DVN | Des Moines, Lee | 3 hr |
| Aug 11, 7:04 AM CDT | Special Weather Statement | DVN | Muscatine | 26 min |
| Aug 11, 8:16 AM CDT | High Wind Warning | DVN | Clinton, Des Moines, Louisa, Muscatine, Scott | 104 min |
| Aug 11, 9:46 AM CDT | Areal Flood Warning | DVN | Des Moines, Lee | 3 hr |
| Aug 11, 10:24 AM CDT | Special Weather Statement | DVN | Lee | 21 min |
| Aug 11, 11:48 AM CDT | Mesoscale Discussion | SPC | Allamakee | 117 min |
| Aug 11, 12:17 PM CDT | Tornado Watch | SPC | Allamakee, Clayton | 8 hr |
| Aug 11, 3:36 PM CDT | Special Weather Statement | DVN | Washington | 24 min |
| Aug 11, 3:56 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Buchanan, Cedar, Clinton, Davis and 21 more | 3 hr |
| Aug 11, 4:26 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 49 min |
| Aug 11, 5:11 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones | 49 min |
| Aug 11, 5:38 PM CDT | Tornado Warning | DVN | Dubuque | 13 min |
| Aug 11, 5:40 PM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Delaware, Dubuque, Iowa and 5 more | 95 min |
| Aug 11, 7:35 PM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Scott | 85 min |
| Aug 12, 2:09 AM CDT | Special Weather Statement | DVN | Lee | 21 min |
| Aug 12, 2:57 AM CDT | Heat Advisory | DVN | Lee | 8 hr |
| Aug 12, 4:30 AM CDT | Special Weather Statement | DMX | Decatur | 30 min |
| Aug 12, 4:58 AM CDT | Special Weather Statement | DMX | Decatur | 47 min |
| Aug 12, 7:24 AM CDT | Special Weather Statement | DVN | Van Buren | 36 min |
| Aug 12, 7:26 AM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 33 min |
| Aug 12, 7:38 AM CDT | Special Weather Statement | DMX | Davis | 52 min |
| Aug 12, 9:10 AM CDT | Special Weather Statement | DVN | Van Buren | 50 min |
| Aug 12, 9:23 AM CDT | Flash Flood Warning | DVN | Van Buren | 4 hr |
| Aug 12, 9:54 AM CDT | Special Weather Statement | DVN | Lee, Van Buren | 96 min |
| Aug 12, 10:32 AM CDT | Flash Flood Warning | DVN | Lee, Van Buren | 6 hr |
| Aug 12, 11:12 AM CDT | Flash Flood Warning | DMX | Appanoose, Davis | 3 hr |
| Aug 12, 11:29 AM CDT | Special Weather Statement | DVN | Lee, Van Buren | 91 min |
| Aug 12, 12:44 PM CDT | Flash Flood Watch | DVN | Des Moines, Lee, Van Buren | 8 hr |
| Aug 12, 1:30 PM CDT | Flash Flood Watch | DMX | Appanoose, Davis | 7 hr |
| Aug 20, 1:51 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Crawford, Fremont, Harrison, Ida and 9 more | 84 min |
| Aug 20, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 16 more | 6 hr |
| Aug 20, 4:39 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 6 hr |
| Aug 20, 6:13 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth, Woodbury | 32 min |
| Aug 20, 6:31 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 29 min |
| Aug 20, 6:45 PM CDT | Special Weather Statement | DMX | Pocahontas | 45 min |
| Aug 20, 7:06 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page | 84 min |
| Aug 20, 8:03 PM CDT | Special Weather Statement | DMX | Crawford | 27 min |
| Aug 20, 8:18 PM CDT | Special Weather Statement | DMX | Hancock, Winnebago, Wright | 42 min |
| Aug 20, 8:18 PM CDT | Special Weather Statement | OAX | Pottawattamie | 27 min |
| Aug 20, 9:05 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 55 min |
| Aug 20, 9:35 PM CDT | Special Weather Statement | DMX | Guthrie | 25 min |
| Aug 20, 9:46 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster, Wright | 44 min |
| Aug 20, 10:10 PM CDT | Special Weather Statement | DMX | Guthrie | 35 min |
| Aug 20, 10:27 PM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell | 48 min |
| Aug 20, 10:42 PM CDT | Special Weather Statement | DMX | Boone | 33 min |
| Aug 20, 10:43 PM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell | 62 min |
| Aug 20, 11:05 PM CDT | Special Weather Statement | ARX | Chickasaw, Howard, Winneshiek | 55 min |
| Aug 20, 11:26 PM CDT | Special Weather Statement | ARX | Chickasaw, Howard | 64 min |
| Aug 20, 11:56 PM CDT | Special Weather Statement | ARX | Howard, Winneshiek | 64 min |
| Aug 21, 12:45 AM CDT | Special Weather Statement | DMX | Jasper | 45 min |
| Aug 21, 1:47 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Linn | 58 min |
| Aug 21, 2:49 AM CDT | Special Weather Statement | DVN | Benton, Iowa, Johnson, Jones, Linn | 56 min |
| Aug 23, 3:35 AM CDT | Special Weather Statement | DMX | Hamilton | 40 min |
| Aug 23, 5:40 AM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Dubuque | 65 min |
| Aug 23, 6:49 AM CDT | Special Weather Statement | DVN | Johnson, Jones | 56 min |
| Aug 23, 8:15 AM CDT | Special Weather Statement | DVN | Johnson, Linn, Louisa, Muscatine, Washington | 45 min |
| Aug 23, 2:45 PM CDT | Heat Advisory | DVN | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more | 29 hr |
| Aug 23, 3:13 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 25 more | 28 hr |
| Aug 23, 4:14 PM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 28 hr |
| Aug 24, 3:31 AM CDT | Heat Advisory | FSD | Plymouth, Woodbury | 11 hr |
| Aug 24, 6:00 AM CDT | Mesoscale Discussion | SPC | Allamakee, Cerro Gordo, Chickasaw, Clayton, Dubuque, Fayette and 6 more | 90 min |
| Aug 24, 9:43 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 47 min |
| Aug 24, 10:44 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson, Osceola | 30 min |
| Aug 24, 11:06 AM CDT | Special Weather Statement | DMX | Emmet | 24 min |
| Aug 24, 11:30 AM CDT | Special Weather Statement | DMX | Kossuth, Winnebago | 45 min |
| Aug 24, 12:07 PM CDT | Special Weather Statement | DMX | Cerro Gordo, Hancock, Worth | 68 min |
| Aug 24, 12:26 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 49 min |
| Aug 24, 12:35 PM CDT | Special Weather Statement | ARX | Mitchell | 55 min |
| Aug 24, 12:38 PM CDT | Special Weather Statement | ARX | Floyd | 67 min |
| Aug 24, 12:44 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Chickasaw, Clayton, Fayette and 4 more | 91 min |
| Aug 24, 12:51 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Hancock, Wright | 54 min |
| Aug 24, 1:18 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 57 min |
| Aug 24, 1:29 PM CDT | Special Weather Statement | ARX | Howard, Mitchell | 46 min |
| Aug 24, 1:43 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd | 47 min |
| Aug 24, 1:44 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 31 min |
| Aug 24, 1:48 PM CDT | Special Weather Statement | ARX | Chickasaw | 27 min |
| Aug 24, 1:52 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 36 more | 5 hr |
| Aug 24, 1:53 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 67 min |
| Aug 24, 2:15 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette | 60 min |
| Aug 24, 2:17 PM CDT | Special Weather Statement | DMX | Butler | 28 min |
| Aug 24, 2:21 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 39 min |
| Aug 24, 2:49 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Jones, Linn | 56 min |
| Aug 24, 2:59 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 61 min |
| Aug 24, 3:00 PM CDT | Special Weather Statement | DMX | Black Hawk, Bremer | 30 min |
| Aug 24, 3:03 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Dubuque | 42 min |
| Aug 24, 3:12 PM CDT | Special Weather Statement | ARX | Fayette | 18 min |
| Aug 24, 3:28 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin, Marshall, Story | 47 min |
| Aug 24, 3:38 PM CDT | Tornado Warning | DVN | Dubuque | 25 min |
| Aug 24, 3:42 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 48 min |
| Aug 24, 3:46 PM CDT | Heat Advisory | OAX | Fremont, Page | 28 hr |
| Aug 24, 4:03 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy, Hardin, Marshall, Poweshiek, Tama | 57 min |
| Aug 24, 4:07 PM CDT | Special Weather Statement | DVN | Cedar, Clinton, Jackson, Johnson | 23 min |
| Aug 24, 4:17 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 58 min |
| Aug 24, 4:54 PM CDT | Special Weather Statement | DVN | Benton | 36 min |
| Aug 24, 5:01 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 59 min |
| Aug 24, 5:05 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 40 min |
| Aug 24, 5:10 PM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Iowa, Jackson, Jasper and 7 more | 2 hr |
| Aug 24, 5:23 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 37 min |
| Aug 24, 5:27 PM CDT | Special Weather Statement | DVN | Johnson | 48 min |
| Aug 24, 6:07 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Linn | 38 min |
| Aug 24, 6:49 PM CDT | Special Weather Statement | DVN | Scott | 41 min |
| Aug 25, 12:43 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 47 min |
| Aug 25, 1:00 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 24 min |
| Aug 25, 1:16 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 44 min |
| Aug 25, 1:25 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 50 min |
| Aug 25, 1:53 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 37 min |
| Aug 25, 1:58 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 32 min |
| Aug 25, 3:12 AM CDT | Special Weather Statement | DMX | Ringgold, Taylor, Union | 63 min |
| Aug 25, 3:53 AM CDT | Special Weather Statement | DVN | Jefferson | 37 min |
| Aug 25, 4:07 AM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 40 hr |
| Aug 25, 7:15 AM CDT | Flash Flood Warning | DVN | Iowa, Keokuk, Washington | 4 hr |
| Aug 25, 3:02 PM CDT | Mesoscale Discussion | SPC | Lyon, Plymouth, Sioux | 88 min |
| Aug 26, 3:27 AM CDT | Heat Advisory | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 4 more | 17 hr |
| Aug 26, 3:30 AM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 16 more | 17 hr |
| Aug 26, 6:26 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 34 min |
| Aug 26, 6:51 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Pottawattamie | 24 min |
| Aug 26, 7:19 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Shelby | 26 min |
| Aug 26, 7:37 AM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 20 more | 83 min |
| Aug 26, 7:42 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Shelby | 33 min |
| Aug 26, 8:03 AM CDT | Special Weather Statement | DMX | Audubon, Calhoun, Carroll, Pocahontas, Sac | 42 min |
| Aug 26, 8:18 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Crawford, Greene, Sac | 42 min |
| Aug 26, 8:55 AM CDT | Special Weather Statement | DMX | Adair, Audubon, Dallas, Guthrie | 65 min |
| Aug 26, 9:18 AM CDT | Special Weather Statement | DMX | Boone, Hamilton, Webster | 57 min |
| Aug 26, 9:40 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Benton, Boone, Clarke and 25 more | 95 min |
| Aug 26, 10:02 AM CDT | Special Weather Statement | DMX | Dallas, Jasper, Madison, Polk, Warren | 43 min |
| Aug 26, 12:29 PM CDT | Special Weather Statement | DMX | Boone, Story | 46 min |
| Aug 26, 1:12 PM CDT | Mesoscale Discussion | SPC | Allamakee, Winneshiek | 93 min |
| Aug 26, 1:40 PM CDT | Special Weather Statement | ARX | Allamakee | 80 min |
| Aug 26, 1:46 PM CDT | Special Weather Statement | DMX | Davis, Wapello | 44 min |
| Aug 26, 1:55 PM CDT | Special Weather Statement | DVN | Jefferson | 35 min |
| Aug 26, 2:16 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Wapello | 44 min |
| Aug 26, 2:31 PM CDT | Special Weather Statement | DVN | Van Buren | 29 min |
| Aug 26, 3:02 PM CDT | Special Weather Statement | DVN | Van Buren | 28 min |
| Aug 26, 3:03 PM CDT | Flood Watch | DMX | Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Emmet and 13 more | 16 hr |
| Aug 26, 3:34 PM CDT | Special Weather Statement | DVN | Van Buren | 26 min |
| Aug 26, 5:34 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Harrison, Ida and 9 more | 116 min |
| Aug 26, 5:45 PM CDT | Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 13 hr |
| Aug 26, 5:50 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 13 hr |
| Aug 26, 6:46 PM CDT | Special Weather Statement | OAX | Shelby | 29 min |
| Aug 26, 7:02 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 28 min |
| Aug 26, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 7 hr |
| Aug 26, 8:23 PM CDT | Special Weather Statement | DVN | Benton | 52 min |
| Aug 26, 8:35 PM CDT | Special Weather Statement | DMX | Poweshiek | 40 min |
| Aug 26, 8:47 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 58 min |
| Aug 26, 9:21 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Keokuk | 39 min |
| Aug 26, 9:46 PM CDT | Special Weather Statement | DMX | Mahaska | 44 min |
| Aug 26, 9:58 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 47 min |
| Aug 26, 10:26 PM CDT | Special Weather Statement | DMX | Mahaska | 34 min |
| Aug 26, 10:29 PM CDT | Flash Flood Warning | DVN | Keokuk | 4 hr |
| Aug 26, 10:30 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 45 min |
| Aug 26, 10:43 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk, Washington | 47 min |
| Aug 26, 10:45 PM CDT | Mesoscale Discussion | SPC | Bremer, Buena Vista, Butler, Calhoun, Cerro Gordo, Cherokee and 25 more | 2 hr |
| Aug 26, 10:52 PM CDT | Special Weather Statement | DMX | Wapello | 38 min |
| Aug 26, 10:57 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Washington | 48 min |
| Aug 26, 11:20 PM CDT | Tornado Warning | DVN | Jefferson, Keokuk | 27 min |
| Aug 26, 11:39 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Washington | 31 min |
| Aug 26, 11:42 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 33 min |
| Aug 27, 12:13 AM CDT | Special Weather Statement | DMX | Emmet | 32 min |
| Aug 27, 12:17 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 28 min |
| Aug 27, 12:34 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 41 min |
| Aug 27, 1:04 AM CDT | Tornado Warning | FSD | Sioux | 26 min |
| Aug 27, 1:09 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux | 51 min |
| Aug 27, 1:25 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 50 min |
| Aug 27, 1:51 AM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 4 hr |
| Aug 27, 1:52 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, O'Brien, Osceola | 68 min |
| Aug 27, 2:00 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 60 min |
| Aug 27, 3:33 AM CDT | Flash Flood Warning | ARX | Howard, Mitchell, Winneshiek | 4 hr |
| Aug 27, 9:42 AM CDT | River Flood Warning | ARX | Winneshiek | 60 hr |
| Aug 27, 1:34 PM CDT | Heat Advisory | DVN | Lee | 29 hr |
| Aug 27, 1:53 PM CDT | Mesoscale Discussion | SPC | Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Chickasaw and 18 more | 97 min |
| Aug 27, 2:08 PM CDT | Special Weather Statement | DMX | Hancock | 37 min |
| Aug 27, 2:59 PM CDT | Special Weather Statement | DMX | Cerro Gordo | 16 min |
| Aug 27, 3:07 PM CDT | Heat Advisory | DVN | Des Moines, Henry, Van Buren | 28 hr |
| Aug 27, 3:24 PM CDT | Special Weather Statement | ARX | Howard, Mitchell | 51 min |
| Aug 27, 4:01 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo and 20 more | 59 min |
| Aug 27, 4:23 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 52 min |
| Aug 27, 4:48 PM CDT | Tornado Warning | DMX | Cerro Gordo, Hancock | 57 min |
| Aug 27, 4:58 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Hancock | 32 min |
| Aug 27, 5:15 PM CDT | Tornado Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 12 more | 6 hr |
| Aug 27, 5:23 PM CDT | Tornado Warning | DMX | Cerro Gordo | 37 min |
| Aug 27, 5:25 PM CDT | Tornado Warning | DMX | Cerro Gordo | 35 min |
| Aug 27, 5:30 PM CDT | Mesoscale Discussion | SPC | Allamakee, Cerro Gordo, Chickasaw, Floyd, Howard, Winneshiek | 60 min |
| Aug 27, 5:34 PM CDT | Tornado Warning | ARX | Floyd | 41 min |
| Aug 27, 6:09 PM CDT | Tornado Warning | ARX | Chickasaw, Floyd | 51 min |
| Aug 27, 6:28 PM CDT | Mesoscale Discussion | SPC | Audubon, Calhoun, Carroll, Crawford, Greene, Guthrie and 6 more | 92 min |
| Aug 27, 6:45 PM CDT | Tornado Warning | ARX | Chickasaw, Fayette | 45 min |
| Aug 27, 6:52 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Fayette, Winneshiek | 38 min |
| Aug 27, 7:04 PM CDT | Areal Flood Advisory | ARX | Chickasaw, Howard | 116 min |
| Aug 27, 7:10 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 65 min |
| Aug 27, 7:29 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton, Winneshiek | 46 min |
| Aug 27, 7:38 PM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 18 hr |
| Aug 27, 7:59 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette | 2 hr |
| Aug 27, 8:03 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 42 min |
| Aug 27, 8:09 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 25 min |
| Aug 27, 8:15 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 30 min |
| Aug 27, 8:21 PM CDT | Flash Flood Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 6 hr |
| Aug 27, 8:45 PM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 9 hr |
| Aug 27, 9:57 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Chickasaw, Clayton, Fayette, Floyd and 3 more | 93 min |
| Aug 27, 10:26 PM CDT | Special Weather Statement | ARX | Chickasaw, Howard, Winneshiek | 34 min |
| Aug 27, 11:07 PM CDT | Special Weather Statement | ARX | Winneshiek | 23 min |
| Aug 27, 11:12 PM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd | 6 hr |
| Aug 28, 1:16 AM CDT | Flash Flood Warning | ARX | Fayette, Winneshiek | 4 hr |
| Aug 28, 2:33 AM CDT | Special Weather Statement | DVN | Buchanan | 42 min |
| Aug 28, 3:00 AM CDT | Special Weather Statement | ARX | Clayton | 30 min |
| Aug 28, 3:06 AM CDT | River Flood Warning | ARX | Clayton | 3 days |
| Aug 28, 3:06 AM CDT | River Flood Warning | ARX | Clayton | 3 days |
| Aug 28, 4:05 AM CDT | River Flood Warning | ARX | Floyd | 70 hr |
| Aug 28, 4:32 AM CDT | Special Weather Statement | DVN | Buchanan | 43 min |
| Aug 28, 5:21 AM CDT | Special Weather Statement | DVN | Buchanan | 24 min |
| Aug 28, 5:27 AM CDT | Flash Flood Warning | DVN | Buchanan, Delaware | 4 hr |
| Aug 28, 9:39 AM CDT | Areal Flood Warning | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 30 hr |
| Aug 28, 10:17 AM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 3 days |
| Aug 28, 10:17 AM CDT | River Flood Warning | DMX | Black Hawk | 4 days |
| Aug 28, 11:34 AM CDT | River Flood Watch | DVN | Delaware, Jones | 9 hr |
| Aug 28, 2:43 PM CDT | Mesoscale Discussion | SPC | Lyon, Osceola, Plymouth, Sioux | 3 hr |
| Aug 28, 3:57 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, O'Brien, Osceola, Plymouth, Sioux, Woodbury | 7 hr |
| Aug 28, 4:23 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 37 min |
| Aug 28, 4:39 PM CDT | Tornado Warning | FSD | Lyon | 36 min |
| Aug 28, 4:45 PM CDT | Tornado Warning | FSD | Lyon | 30 min |
| Aug 28, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 45 min |
| Aug 28, 5:26 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 34 min |
| Aug 28, 5:27 PM CDT | Mesoscale Discussion | SPC | Emmet | 63 min |
| Aug 28, 5:29 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 31 min |
| Aug 28, 5:34 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 17 min |
| Aug 28, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 46 min |
| Aug 28, 6:53 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 52 min |
| Aug 28, 7:23 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 52 min |
| Aug 28, 8:52 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola, Sioux | 23 min |
| Aug 28, 9:13 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson, Lyon, O'Brien, Osceola, Sioux | 47 min |
| Aug 28, 9:29 PM CDT | Flash Flood Warning | FSD | Lyon | 3 hr |
| Aug 28, 9:57 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cerro Gordo, Crawford and 19 more | 63 min |
| Aug 28, 10:04 PM CDT | Flash Flood Warning | FSD | Lyon, Osceola | 4 hr |
| Aug 28, 10:24 PM CDT | Flash Flood Warning | FSD | Dickinson, Osceola | 5 hr |
| Aug 28, 10:44 PM CDT | Special Weather Statement | DMX | Emmet, Palo Alto | 46 min |
| Aug 28, 11:36 PM CDT | Special Weather Statement | DMX | Kossuth, Palo Alto, Winnebago | 39 min |
| Aug 29, 2:12 AM CDT | Special Weather Statement | DMX | Black Hawk, Bremer, Butler, Franklin, Grundy, Hamilton and 1 more | 63 min |
| Aug 29, 3:51 AM CDT | River Flood Watch | ARX | Allamakee | 10 hr |
| Aug 29, 10:33 AM CDT | River Flood Warning | DVN | Buchanan, Linn | 4 days |
| Aug 29, 10:33 AM CDT | River Flood Warning | DVN | Cedar, Jones, Linn | 7 days |
| Aug 29, 10:33 AM CDT | River Flood Warning | DVN | Clinton, Scott | 11 days |
| Aug 29, 2:20 PM CDT | River Flood Warning | ARX | Allamakee | 31 hr |
| Aug 30, 9:15 AM CDT | Areal Flood Warning | DMX | Black Hawk, Bremer | 24 hr |
| Aug 30, 12:36 PM CDT | River Flood Warning | DMX | Black Hawk | 25 hr |
| Aug 30, 7:29 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 46 min |
| Aug 30, 9:49 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 26 min |
| Aug 30, 9:58 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 62 min |
| Aug 30, 10:05 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 10 min |
| Aug 30, 10:25 PM CDT | Special Weather Statement | OAX | Monona | 35 min |
| Aug 30, 10:49 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 26 min |
| Aug 30, 10:50 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 55 min |
| Aug 30, 10:58 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford, Greene, Guthrie | 62 min |
| Aug 30, 11:29 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Marshall, Polk, Story | 46 min |
| Aug 30, 11:35 PM CDT | Mesoscale Discussion | SPC | Harrison | 85 min |
| Aug 30, 11:50 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 40 min |
| Aug 30, 11:54 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Madison, Marion, Polk, Warren | 36 min |
| Aug 31, 12:07 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 38 min |
| Aug 31, 12:15 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 26 min |
| Aug 31, 12:35 AM CDT | Special Weather Statement | DMX | Clarke, Lucas, Madison, Marion, Union, Warren | 70 min |
| Aug 31, 1:19 AM CDT | Areal Flood Advisory | OAX | Harrison | 4 hr |
| Aug 31, 1:35 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 25 min |
| Aug 31, 1:46 AM CDT | Areal Flood Advisory | OAX | Harrison, Mills, Pottawattamie | 5 hr |
| Aug 31, 2:09 AM CDT | Areal Flood Advisory | OAX | Pottawattamie | 3 hr |
| Aug 31, 3:02 AM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Harrison, Mills, Montgomery and 5 more | 118 min |
| Aug 31, 9:16 AM CDT | Areal Flood Warning | DMX | Black Hawk | 2 hr |
| Aug 31, 2:46 PM CDT | Special Weather Statement | DVN | Scott | 59 min |
| Aug 31, 3:09 PM CDT | Flash Flood Warning | DVN | Scott | 2 hr |
| Aug 31, 3:41 PM CDT | Special Weather Statement | DVN | Louisa | 64 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 | 122 |
| Tornado Warning | 22 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 38 |
| Special Weather Statement | 110 |
| Flooding | |
| Areal Flood Warning | 5 |
| Flash Flood Warning | 21 |
| River Flood Warning | 11 |
| Flash Flood Watch | 5 |
| Flood Watch | 2 |
| River Flood Watch | 2 |
| Areal Flood Advisory | 5 |
| Heat | |
| Heat Advisory | 19 |
| Wind and dust | |
| High Wind Warning | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lyon County31
- Chickasaw County31
- Howard County29
- Winneshiek County28
- Pottawattamie County27
- Allamakee County26
- Clayton County25
- Delaware County25
- Fayette County25
- Buchanan County24
- Benton County24
- Floyd County23
- Sioux County22
- Osceola County22
- Black Hawk County22
- Cerro Gordo County22
- Lee County21
- Mitchell County21
- Mills County21
- Dubuque County21
- Linn County21
- Bremer County20
- Jones County20
- Harrison County19
- Van Buren County19
- Butler County18
- Jackson County18
- Webster County18
- Des Moines County17
- Fremont County16
- Scott County16
- Hancock County16
- Plymouth County15
- Pocahontas County15
- Clinton County15
- Johnson County15
- Calhoun County14
- Guthrie County14
- Winnebago County14
- Shelby County14
59 more counties
- Cedar County14
- Iowa County14
- Poweshiek County14
- Hamilton County14
- Buena Vista County13
- Ida County13
- O'Brien County13
- Sac County13
- Audubon County13
- Madison County13
- Franklin County13
- Worth County13
- Montgomery County13
- Page County13
- Keokuk County13
- Washington County13
- Wright County13
- Crawford County13
- Cherokee County12
- Woodbury County12
- Palo Alto County12
- Hardin County12
- Jefferson County12
- Muscatine County12
- Boone County12
- Davis County12
- Jasper County12
- Polk County12
- Carroll County12
- Clay County11
- Dickinson County11
- Adair County11
- Clarke County11
- Decatur County11
- Ringgold County11
- Union County11
- Tama County11
- Story County11
- Mahaska County11
- Wapello County11
- Emmet County11
- Monona County11
- Adams County10
- Cass County10
- Taylor County10
- Greene County10
- Grundy County10
- Louisa County10
- Appanoose County10
- Dallas County10
- Marshall County10
- Warren County10
- Humboldt County10
- Kossuth County10
- Henry County9
- Lucas County8
- Marion County8
- Wayne County7
- Monroe County7
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.