Weather alerts in Iowa, 2000
769 weather alerts in 2000, 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 2000. Tap one for its archive.
- Alerts
- 769
- Warnings
- 685
- Watches
- 84
- Advisories
- 0
- Busiest month
- June203 alerts
- Busiest day
- June 13, 200064 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 |
|---|---|---|---|---|
| Feb 25, 5:19 PM CST | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 26 min |
| Feb 25, 6:26 PM CST | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 29 min |
| Mar 26, 5:36 PM CST | Severe Thunderstorm Warning | DVN | Louisa | 29 min |
| Mar 26, 6:17 PM CST | Severe Thunderstorm Warning | DVN | Lee | 43 min |
| Apr 19, 4:49 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 26 min |
| Apr 19, 5:13 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 47 min |
| Apr 19, 5:30 AM CDT | Severe Thunderstorm Warning | FSD | Osceola | 30 min |
| Apr 19, 6:41 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 29 min |
| Apr 19, 10:05 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 25 min |
| Apr 19, 7:11 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 44 min |
| Apr 19, 8:19 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 41 min |
| Apr 19, 8:24 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Monroe | 36 min |
| Apr 19, 8:26 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 29 min |
| Apr 19, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 24 more | 4 hr |
| Apr 19, 8:49 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 41 min |
| Apr 19, 9:03 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 42 min |
| Apr 19, 11:20 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 40 min |
| Apr 20, 12:21 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 24 min |
| Apr 20, 12:32 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 43 min |
| Apr 20, 12:45 AM CDT | Severe Thunderstorm Watch | SPC | Scott | 5 hr |
| Apr 20, 3:41 AM CDT | Severe Thunderstorm Warning | OAX | Page | 19 min |
| Apr 20, 4:01 AM CDT | Severe Thunderstorm Warning | OAX | Page | 14 min |
| Apr 20, 4:15 AM CDT | Severe Thunderstorm Watch | SPC | Clinton, Scott | 6 hr |
| Apr 20, 4:37 AM CDT | Severe Thunderstorm Warning | DMX | Union | 33 min |
| Apr 20, 4:46 AM CDT | Severe Thunderstorm Warning | DVN | Louisa | 44 min |
| May 7, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 9 more | 5 hr |
| May 8, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Buena Vista, Butler, Calhoun and 33 more | 5 hr |
| May 8, 1:58 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 32 min |
| May 8, 2:51 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 29 min |
| May 8, 4:11 AM CDT | Severe Thunderstorm Warning | DMX | Dallas | 29 min |
| May 8, 4:22 AM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 28 min |
| May 8, 4:37 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 33 min |
| May 8, 5:01 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 29 min |
| May 8, 5:30 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 30 min |
| May 8, 5:55 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 35 min |
| May 8, 6:23 AM CDT | Severe Thunderstorm Warning | DVN | Johnson, Linn | 37 min |
| May 8, 6:32 AM CDT | Severe Thunderstorm Warning | DVN | Iowa | 18 min |
| May 8, 6:55 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 50 min |
| May 8, 6:55 AM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 50 min |
| May 8, 7:00 AM CDT | Severe Thunderstorm Warning | DVN | Johnson | 20 min |
| May 8, 7:09 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 51 min |
| May 8, 7:30 AM CDT | Severe Thunderstorm Watch | SPC | Clinton, Jackson, Scott | 5 hr |
| May 8, 7:36 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 54 min |
| May 8, 7:41 AM CDT | Flash Flood Warning | DVN | Dubuque | 3 hr |
| May 8, 2:00 PM CDT | Tornado Watch | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 6 more | 6 hr |
| May 8, 7:03 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 27 min |
| May 8, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Scott | 5 hr |
| May 11, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 24 more | 6 hr |
| May 11, 6:47 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 43 min |
| May 11, 6:54 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 51 min |
| May 11, 7:05 AM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 55 min |
| May 11, 7:16 AM CDT | Severe Thunderstorm Warning | DVN | Delaware | 44 min |
| May 11, 7:37 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 38 min |
| May 11, 7:50 AM CDT | Severe Thunderstorm Warning | DVN | Clinton | 40 min |
| May 11, 8:39 AM CDT | Severe Thunderstorm Warning | DVN | Clinton | 36 min |
| May 11, 6:25 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 30 min |
| May 11, 6:45 PM CDT | Tornado Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 25 more | 5 hr |
| May 11, 6:48 PM CDT | Tornado Warning | DMX | Butler | 17 min |
| May 11, 6:53 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 32 min |
| May 11, 6:56 PM CDT | Tornado Warning | DMX | Black Hawk | 29 min |
| May 11, 7:00 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 30 min |
| May 11, 7:15 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 60 min |
| May 11, 7:21 PM CDT | Tornado Warning | DMX | Black Hawk | 29 min |
| May 11, 7:31 PM CDT | Tornado Warning | DVN | Buchanan | 29 min |
| May 11, 7:44 PM CDT | Tornado Warning | DMX | Black Hawk | 31 min |
| May 11, 7:58 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 62 min |
| May 11, 7:58 PM CDT | Tornado Warning | DVN | Buchanan | 32 min |
| May 11, 8:12 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 78 min |
| May 11, 8:13 PM CDT | Tornado Warning | DMX | Black Hawk | 32 min |
| May 11, 8:25 PM CDT | Tornado Warning | ARX | Clayton | 35 min |
| May 11, 8:30 PM CDT | Tornado Warning | DVN | Buchanan | 45 min |
| May 11, 8:50 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 40 min |
| May 11, 9:06 PM CDT | Tornado Warning | DVN | Delaware | 39 min |
| May 11, 9:12 PM CDT | Flash Flood Warning | DMX | Black Hawk | 3 hr |
| May 11, 9:19 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 41 min |
| May 11, 9:48 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 42 min |
| May 11, 10:30 PM CDT | Tornado Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 13 more | 6 hr |
| May 11, 10:42 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 48 min |
| May 11, 10:51 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton | 29 min |
| May 12, 12:51 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 39 min |
| May 12, 12:56 AM CDT | Severe Thunderstorm Warning | DVN | Benton | 49 min |
| May 12, 1:30 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 30 min |
| May 12, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Cass and 29 more | 5 hr |
| May 12, 6:13 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 32 min |
| May 12, 6:43 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 62 min |
| May 15, 10:46 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| May 15, 11:12 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 48 min |
| May 15, 11:57 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 48 min |
| May 17, 6:58 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 47 min |
| May 17, 8:41 AM CDT | Severe Thunderstorm Warning | ARX | Fayette | 64 min |
| May 17, 8:46 AM CDT | Severe Thunderstorm Warning | DVN | Delaware | 29 min |
| May 17, 9:06 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 24 min |
| May 17, 10:01 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 29 min |
| May 17, 10:29 AM CDT | Severe Thunderstorm Warning | ARX | Floyd | 31 min |
| May 17, 11:09 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 36 min |
| May 17, 11:39 AM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 51 min |
| May 17, 12:23 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 37 min |
| May 17, 12:57 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 78 min |
| May 17, 4:15 PM CDT | Tornado Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 3 more | 5 hr |
| May 17, 6:46 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 29 min |
| May 17, 7:46 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 29 min |
| May 17, 8:00 PM CDT | Tornado Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 3 more | 5 hr |
| May 17, 9:28 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 32 min |
| May 17, 9:45 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 30 min |
| May 18, 5:51 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 39 min |
| May 18, 6:35 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 55 min |
| May 18, 10:23 AM CDT | Severe Thunderstorm Warning | DMX | Story | 22 min |
| May 18, 10:34 AM CDT | Tornado Warning | DMX | Adair, Cass | 21 min |
| May 18, 10:39 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Hardin, Story | 31 min |
| May 18, 10:39 AM CDT | Severe Thunderstorm Warning | DMX | Grundy, Marshall | 31 min |
| May 18, 10:49 AM CDT | Severe Thunderstorm Warning | DMX | Dallas | 31 min |
| May 18, 10:54 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy, Tama | 31 min |
| May 18, 10:55 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson, Jones | 50 min |
| May 18, 10:55 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 50 min |
| May 18, 10:55 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 50 min |
| May 18, 11:00 AM CDT | Tornado Warning | DMX | Audubon, Cass | 30 min |
| May 18, 11:10 AM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 10 min |
| May 18, 11:19 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 46 min |
| May 18, 11:27 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 28 min |
| May 18, 11:27 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 28 min |
| May 18, 11:30 AM CDT | Tornado Watch | SPC | Appanoose, Benton, Boone, Cedar, Clarke, Dallas and 30 more | 6 hr |
| May 18, 11:36 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 29 min |
| May 18, 11:48 AM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 42 min |
| May 18, 11:51 AM CDT | Tornado Warning | DMX | Polk, Warren | 29 min |
| May 18, 11:55 AM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Keokuk | 50 min |
| May 18, 12:07 PM CDT | Tornado Warning | DMX | Jasper, Marion | 28 min |
| May 18, 12:27 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Linn | 48 min |
| May 18, 12:30 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Washington | 45 min |
| May 18, 12:33 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 57 min |
| May 18, 12:35 PM CDT | Tornado Warning | DVN | Washington | 25 min |
| May 18, 12:36 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 29 min |
| May 18, 12:36 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 24 min |
| May 18, 12:44 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Keokuk | 46 min |
| May 18, 12:44 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 46 min |
| May 18, 12:46 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 29 min |
| May 18, 12:48 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 32 min |
| May 18, 1:01 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Washington | 44 min |
| May 18, 1:15 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine | 30 min |
| May 18, 1:32 PM CDT | Tornado Warning | DVN | Muscatine | 28 min |
| May 18, 1:46 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 29 min |
| May 18, 1:46 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 29 min |
| May 18, 1:47 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 28 min |
| May 18, 1:53 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Scott | 52 min |
| May 18, 1:59 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 46 min |
| May 18, 2:21 PM CDT | Tornado Warning | DVN | Iowa | 24 min |
| May 18, 3:00 PM CDT | Tornado Watch | SPC | Scott | 6 hr |
| May 22, 7:47 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 33 min |
| May 22, 7:58 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy, Tama | 42 min |
| May 22, 7:58 PM CDT | Severe Thunderstorm Warning | DMX | Bremer, Butler | 42 min |
| May 22, 7:58 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 42 min |
| May 22, 8:24 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Poweshiek, Tama | 46 min |
| May 26, 6:48 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 42 min |
| May 26, 9:41 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 34 min |
| May 29, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Harrison, Monona, Plymouth, Woodbury | 5 hr |
| May 29, 11:57 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 63 min |
| May 30, 12:09 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Mills, Pottawattamie, Shelby | 66 min |
| May 30, 12:09 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 66 min |
| May 30, 12:10 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 50 min |
| May 30, 12:30 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 29 more | 5 hr |
| May 30, 12:52 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 38 min |
| May 30, 4:50 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 55 min |
| May 30, 4:56 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 34 min |
| May 30, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 33 min |
| May 30, 7:23 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 22 min |
| May 30, 7:30 PM CDT | Tornado Watch | SPC | Adair, Allamakee, Benton, Black Hawk, Boone, Bremer and 38 more | 6 hr |
| May 30, 7:31 PM CDT | Tornado Warning | DMX | Boone | 14 min |
| May 30, 7:48 PM CDT | Tornado Warning | DMX | Dallas | 27 min |
| May 30, 7:56 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 34 min |
| May 30, 8:11 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 34 min |
| May 30, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 38 min |
| May 30, 8:32 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 13 min |
| May 30, 8:35 PM CDT | Tornado Warning | DMX | Polk | 25 min |
| May 30, 8:43 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 32 min |
| May 30, 8:47 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 43 min |
| May 30, 8:58 PM CDT | Tornado Warning | DMX | Polk | 32 min |
| May 30, 9:03 PM CDT | Tornado Warning | DMX | Hamilton, Hardin | 27 min |
| May 30, 9:20 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Tama | 40 min |
| May 30, 9:25 PM CDT | Flash Flood Warning | DMX | Polk | 4 hr |
| May 30, 9:28 PM CDT | Tornado Warning | DMX | Polk | 32 min |
| May 30, 9:35 PM CDT | Severe Thunderstorm Warning | DMX | Hardin, Marshall | 40 min |
| May 30, 9:43 PM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 32 min |
| May 30, 9:50 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 25 min |
| May 30, 9:53 PM CDT | Severe Thunderstorm Warning | DMX | Story | 37 min |
| May 30, 10:00 PM CDT | Tornado Warning | DMX | Jasper, Polk | 45 min |
| May 30, 10:01 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 44 min |
| May 30, 10:05 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 40 min |
| May 30, 10:21 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 24 min |
| May 30, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Dubuque, Jackson, Jones, Louisa and 2 more | 5 hr |
| May 30, 10:31 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 44 min |
| May 30, 10:47 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 43 min |
| May 30, 10:58 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 32 min |
| May 30, 11:02 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 28 min |
| May 30, 11:18 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 57 min |
| May 30, 11:28 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 47 min |
| May 31, 12:16 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 29 min |
| May 31, 12:22 AM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Muscatine, Washington | 28 min |
| May 31, 1:11 AM CDT | Severe Thunderstorm Warning | DVN | Louisa | 34 min |
| May 31, 1:25 AM CDT | Flash Flood Warning | DVN | Johnson, Louisa, Washington | 3 hr |
| May 31, 4:25 AM CDT | Flash Flood Warning | DVN | Johnson, Louisa, Muscatine, Washington | 3 hr |
| May 31, 6:28 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Osceola | 32 min |
| May 31, 6:47 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 28 min |
| May 31, 9:16 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 29 min |
| May 31, 9:20 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 25 min |
| May 31, 10:17 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy, Tama | 28 min |
| May 31, 10:25 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 35 min |
| May 31, 10:34 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 41 min |
| May 31, 10:45 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Bremer, Buchanan, Cedar and 33 more | 5 hr |
| May 31, 11:02 AM CDT | Severe Thunderstorm Warning | DVN | Linn | 43 min |
| May 31, 11:03 AM CDT | Flash Flood Warning | DMX | Black Hawk | 3 hr |
| May 31, 11:14 AM CDT | Severe Thunderstorm Warning | DVN | Delaware | 46 min |
| May 31, 11:24 AM CDT | Tornado Warning | DVN | Jones, Linn | 36 min |
| May 31, 11:48 AM CDT | Tornado Warning | DVN | Jones | 27 min |
| May 31, 12:29 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 46 min |
| May 31, 2:00 PM CDT | Flash Flood Warning | ARX | Fayette | 3 hr |
| May 31, 3:31 PM CDT | Flash Flood Warning | DVN | Buchanan, Delaware | 4 hr |
| May 31, 8:30 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 45 min |
| May 31, 9:00 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 45 min |
| May 31, 9:07 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 53 min |
| May 31, 9:09 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 66 min |
| May 31, 9:32 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth | 43 min |
| May 31, 9:45 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 45 min |
| May 31, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 14 more | 5 hr |
| May 31, 10:00 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 60 min |
| May 31, 10:27 PM CDT | Flash Flood Warning | ARX | Mitchell | 5 hr |
| May 31, 10:35 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 55 min |
| May 31, 10:49 PM CDT | Flash Flood Warning | ARX | Howard | 4 hr |
| Jun 1, 12:02 AM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 58 min |
| Jun 1, 12:14 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 61 min |
| Jun 1, 12:22 AM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 6 hr |
| Jun 1, 1:35 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 55 min |
| Jun 1, 6:02 AM CDT | Flash Flood Warning | ARX | Allamakee | 4 hr |
| Jun 1, 1:45 PM CDT | Tornado Watch | SPC | Allamakee, Bremer, Chickasaw, Clayton, Fayette, Winneshiek | 6 hr |
| Jun 1, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Buchanan, Cedar, Clarke, Clinton and 30 more | 6 hr |
| Jun 1, 4:20 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 55 min |
| Jun 1, 4:43 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 47 min |
| Jun 1, 5:25 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 50 min |
| Jun 1, 5:34 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 26 min |
| Jun 1, 5:34 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 26 min |
| Jun 1, 5:46 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 44 min |
| Jun 1, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 41 min |
| Jun 1, 5:55 PM CDT | Tornado Warning | DMX | Wapello | 35 min |
| Jun 1, 6:03 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 27 min |
| Jun 1, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 30 min |
| Jun 1, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Lee | 5 hr |
| Jun 3, 8:20 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 25 min |
| Jun 3, 8:44 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 31 min |
| Jun 3, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Monona, Woodbury | 5 hr |
| Jun 3, 9:15 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 30 min |
| Jun 3, 9:50 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 40 min |
| Jun 3, 10:20 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 20 min |
| Jun 4, 12:15 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Cass, Cherokee, Crawford, Harrison and 9 more | 6 hr |
| Jun 4, 2:02 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 28 min |
| Jun 4, 2:29 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 31 min |
| Jun 4, 7:01 AM CDT | Severe Thunderstorm Warning | DMX | Wayne | 29 min |
| Jun 10, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 6 more | 5 hr |
| Jun 12, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Benton, Boone, Buena Vista, Calhoun, Carroll and 29 more | 5 hr |
| Jun 12, 4:15 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson, Osceola | 30 min |
| Jun 12, 4:27 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 18 min |
| Jun 12, 4:50 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 40 min |
| Jun 12, 5:32 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 28 min |
| Jun 12, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Plymouth | 5 hr |
| Jun 13, 8:28 AM CDT | Flash Flood Warning | DVN | Clinton, Jackson | 4 hr |
| Jun 13, 11:45 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 40 more | 5 hr |
| Jun 13, 11:50 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 25 min |
| Jun 13, 12:27 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 33 min |
| Jun 13, 12:57 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 33 min |
| Jun 13, 1:00 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Washington | 45 min |
| Jun 13, 1:00 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 45 min |
| Jun 13, 1:04 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 41 min |
| Jun 13, 1:13 PM CDT | Severe Thunderstorm Warning | DMX | Story | 47 min |
| Jun 13, 1:34 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 41 min |
| Jun 13, 1:44 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 31 min |
| Jun 13, 2:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 18 more | 6 hr |
| Jun 13, 2:02 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 28 min |
| Jun 13, 2:02 PM CDT | Tornado Warning | OAX | Pottawattamie | 43 min |
| Jun 13, 2:09 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Tama | 36 min |
| Jun 13, 2:13 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 32 min |
| Jun 13, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 8 more | 6 hr |
| Jun 13, 2:22 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 53 min |
| Jun 13, 2:28 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 62 min |
| Jun 13, 2:31 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 44 min |
| Jun 13, 2:32 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 28 min |
| Jun 13, 2:35 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 25 min |
| Jun 13, 2:45 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 45 min |
| Jun 13, 2:46 PM CDT | Severe Thunderstorm Warning | DVN | Washington | 44 min |
| Jun 13, 2:48 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 57 min |
| Jun 13, 3:17 PM CDT | Tornado Warning | OAX | Mills | 28 min |
| Jun 13, 3:20 PM CDT | Tornado Warning | OAX | Harrison, Shelby | 40 min |
| Jun 13, 3:28 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 62 min |
| Jun 13, 3:30 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 45 min |
| Jun 13, 3:30 PM CDT | Tornado Warning | OAX | Fremont | 45 min |
| Jun 13, 3:34 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 71 min |
| Jun 13, 3:37 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 23 min |
| Jun 13, 3:40 PM CDT | Flash Flood Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux, Woodbury | 2 hr |
| Jun 13, 3:40 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien | 35 min |
| Jun 13, 3:41 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 49 min |
| Jun 13, 3:44 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 46 min |
| Jun 13, 3:45 PM CDT | Tornado Warning | OAX | Mills | 30 min |
| Jun 13, 4:00 PM CDT | Flash Flood Warning | DVN | Scott | 4 hr |
| Jun 13, 4:01 PM CDT | Flash Flood Warning | FSD | Clay, Dickinson | 119 min |
| Jun 13, 4:01 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 29 min |
| Jun 13, 4:06 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 39 min |
| Jun 13, 4:11 PM CDT | Tornado Warning | OAX | Mills, Montgomery, Pottawattamie | 34 min |
| Jun 13, 4:11 PM CDT | Tornado Warning | OAX | Fremont, Page | 34 min |
| Jun 13, 4:18 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 27 min |
| Jun 13, 4:19 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 26 min |
| Jun 13, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 32 min |
| Jun 13, 4:30 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 45 min |
| Jun 13, 4:34 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 26 min |
| Jun 13, 4:37 PM CDT | Tornado Warning | OAX | Montgomery | 23 min |
| Jun 13, 4:44 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 46 min |
| Jun 13, 4:56 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 34 min |
| Jun 13, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 44 min |
| Jun 13, 5:08 PM CDT | Tornado Warning | OAX | Montgomery | 37 min |
| Jun 13, 5:21 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 39 min |
| Jun 13, 5:21 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 54 min |
| Jun 13, 5:30 PM CDT | Tornado Watch | SPC | Adair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 41 more | 7 hr |
| Jun 13, 5:33 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 57 min |
| Jun 13, 5:40 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams | 35 min |
| Jun 13, 5:52 PM CDT | Flash Flood Warning | OAX | Mills | 4 hr |
| Jun 13, 6:18 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 57 min |
| Jun 13, 6:19 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Story | 41 min |
| Jun 13, 6:37 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 38 min |
| Jun 13, 6:57 PM CDT | Tornado Warning | DMX | Marshall | 33 min |
| Jun 13, 7:29 PM CDT | Flash Flood Warning | ARX | Floyd | 3 hr |
| Jun 13, 7:46 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 44 min |
| Jun 13, 8:03 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 27 min |
| Jun 13, 8:30 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Linn | 45 min |
| Jun 13, 8:30 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 45 min |
| Jun 13, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Cedar, Clayton, Clinton, Davis, Delaware and 16 more | 5 hr |
| Jun 13, 9:16 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk, Washington | 44 min |
| Jun 13, 9:55 PM CDT | Flash Flood Warning | DVN | Iowa | 4 hr |
| Jun 13, 10:01 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 29 min |
| Jun 13, 10:40 PM CDT | Flash Flood Warning | DVN | Johnson | 4 hr |
| Jun 13, 10:44 PM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 31 min |
| Jun 13, 11:10 PM CDT | Flash Flood Warning | DVN | Cedar | 4 hr |
| Jun 13, 11:24 PM CDT | Flash Flood Warning | DVN | Scott | 4 hr |
| Jun 15, 6:46 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 29 min |
| Jun 15, 7:49 PM CDT | Tornado Warning | ARX | Chickasaw, Floyd | 41 min |
| Jun 15, 8:32 PM CDT | Tornado Warning | ARX | Chickasaw, Fayette | 73 min |
| Jun 15, 9:00 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 45 min |
| Jun 15, 9:45 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 45 min |
| Jun 19, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | Plymouth | 5 hr |
| Jun 20, 12:30 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Cass, Dallas, Fremont and 11 more | 6 hr |
| Jun 20, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Lee | 6 hr |
| Jun 23, 10:03 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd | 72 min |
| Jun 23, 10:50 AM CDT | Severe Thunderstorm Warning | ARX | Fayette | 55 min |
| Jun 23, 11:03 AM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 37 min |
| Jun 23, 11:25 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 35 min |
| Jun 23, 11:30 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 34 more | 6 hr |
| Jun 23, 11:41 AM CDT | Severe Thunderstorm Warning | OAX | Page | 49 min |
| Jun 23, 12:54 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Monroe | 36 min |
| Jun 23, 1:41 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 34 min |
| Jun 23, 2:11 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 49 min |
| Jun 23, 2:17 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 43 min |
| Jun 23, 2:19 PM CDT | Tornado Warning | DMX | Wayne | 26 min |
| Jun 23, 3:16 PM CDT | Flash Flood Warning | DMX | Wapello | 119 min |
| Jun 23, 3:45 PM CDT | Severe Thunderstorm Watch | SPC | Lee, Van Buren | 4 hr |
| Jun 23, 4:09 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 51 min |
| Jun 23, 4:52 PM CDT | Tornado Warning | OAX | Fremont | 23 min |
| Jun 23, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Cass, Clarke, Davis, Decatur and 9 more | 6 hr |
| Jun 23, 5:16 PM CDT | Flash Flood Warning | DMX | Wapello | 119 min |
| Jun 23, 5:16 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 44 min |
| Jun 23, 5:27 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery | 48 min |
| Jun 23, 5:53 PM CDT | Flash Flood Warning | DMX | Monroe | 2 hr |
| Jun 23, 6:25 PM CDT | Flash Flood Warning | DMX | Wapello | 3 hr |
| Jun 23, 6:40 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 50 min |
| Jun 23, 6:45 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 30 min |
| Jun 23, 7:00 PM CDT | Flash Flood Warning | DMX | Mahaska, Monroe | 3 hr |
| Jun 23, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 33 min |
| Jun 23, 7:35 PM CDT | Flash Flood Warning | DMX | Davis | 3 hr |
| Jun 23, 7:53 PM CDT | Flash Flood Warning | DMX | Marion | 3 hr |
| Jun 23, 7:56 PM CDT | Severe Thunderstorm Warning | OAX | Page | 49 min |
| Jun 23, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 37 min |
| Jun 23, 8:14 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 46 min |
| Jun 23, 8:30 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 45 min |
| Jun 23, 8:32 PM CDT | Tornado Warning | DMX | Taylor | 28 min |
| Jun 23, 9:30 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 45 min |
| Jun 23, 11:36 PM CDT | Flash Flood Warning | DMX | Mahaska | 14 hr |
| Jun 23, 11:38 PM CDT | Flash Flood Warning | DMX | Davis, Wapello | 15 hr |
| Jun 24, 12:15 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 30 min |
| Jun 24, 12:23 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 37 min |
| Jun 24, 12:33 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 32 min |
| Jun 24, 1:06 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 29 min |
| Jun 25, 11:32 AM CDT | Flash Flood Warning | FSD | Woodbury | 118 min |
| Jun 25, 11:59 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 31 min |
| Jun 25, 12:18 PM CDT | Flash Flood Warning | FSD | Ida | 2 hr |
| Jun 25, 12:33 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 27 min |
| Jun 25, 1:28 PM CDT | Flash Flood Warning | FSD | Woodbury | 92 min |
| Jun 25, 1:30 PM CDT | Tornado Watch | SPC | Audubon, Carroll, Cass, Crawford, Fremont, Harrison and 6 more | 7 hr |
| Jun 25, 2:21 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 39 min |
| Jun 25, 2:21 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 24 min |
| Jun 25, 3:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 38 more | 6 hr |
| Jun 25, 3:01 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 39 min |
| Jun 25, 3:15 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 45 min |
| Jun 25, 3:31 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 44 min |
| Jun 25, 4:06 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 24 min |
| Jun 25, 4:25 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison, Union | 35 min |
| Jun 25, 4:32 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 43 min |
| Jun 25, 4:32 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Page | 43 min |
| Jun 25, 4:48 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams | 42 min |
| Jun 25, 4:51 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 39 min |
| Jun 25, 5:00 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 45 min |
| Jun 25, 5:06 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 39 min |
| Jun 25, 5:22 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 38 min |
| Jun 25, 5:46 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Warren | 44 min |
| Jun 25, 5:46 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 44 min |
| Jun 25, 6:03 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 42 min |
| Jun 25, 6:36 PM CDT | Flash Flood Warning | DMX | Decatur | 4 hr |
| Jun 25, 6:41 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 34 min |
| Jun 25, 6:51 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe | 54 min |
| Jun 25, 6:57 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 63 min |
| Jun 25, 7:38 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Monroe | 7 min |
| Jun 25, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 6 more | 5 hr |
| Jun 25, 9:19 PM CDT | Flash Flood Warning | DVN | Jefferson, Van Buren | 3 hr |
| Jun 25, 9:55 PM CDT | Flash Flood Warning | DVN | Henry, Keokuk, Lee, Washington | 4 hr |
| Jun 25, 10:40 PM CDT | Flash Flood Warning | DVN | Des Moines | 4 hr |
| Jun 25, 11:59 PM CDT | Flash Flood Warning | DMX | Mahaska, Wapello | 15 hr |
| Jul 2, 5:35 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 40 min |
| Jul 2, 6:02 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Palo Alto | 43 min |
| Jul 2, 2:53 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 37 min |
| Jul 2, 3:12 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 33 min |
| Jul 2, 3:17 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 43 min |
| Jul 2, 3:18 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 57 min |
| Jul 2, 3:28 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 47 min |
| Jul 2, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Audubon, Benton, Black Hawk, Boone, Bremer and 37 more | 6 hr |
| Jul 2, 3:44 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 31 min |
| Jul 2, 3:50 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 55 min |
| Jul 2, 3:51 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 54 min |
| Jul 2, 4:05 PM CDT | Tornado Warning | ARX | Allamakee, Winneshiek | 55 min |
| Jul 2, 4:11 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 64 min |
| Jul 2, 4:13 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 47 min |
| Jul 2, 4:44 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 26 min |
| Jul 2, 4:45 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 60 min |
| Jul 2, 4:54 PM CDT | Tornado Warning | DMX | Pocahontas | 36 min |
| Jul 2, 5:00 PM CDT | Flash Flood Warning | ARX | Chickasaw | 3 hr |
| Jul 2, 5:08 PM CDT | Flash Flood Warning | ARX | Allamakee | 3 hr |
| Jul 2, 5:12 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 63 min |
| Jul 2, 5:15 PM CDT | Tornado Warning | FSD | Buena Vista, Cherokee | 45 min |
| Jul 2, 5:20 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 55 min |
| Jul 2, 6:49 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 41 min |
| Jul 2, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 18 more | 4 hr |
| Jul 2, 7:05 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 40 min |
| Jul 2, 8:58 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 32 min |
| Jul 2, 9:17 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 43 min |
| Jul 5, 8:09 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 36 min |
| Jul 5, 8:23 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 52 min |
| Jul 5, 10:30 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 33 more | 5 hr |
| Jul 5, 10:42 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 33 min |
| Jul 5, 10:58 AM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 47 min |
| Jul 5, 11:46 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 44 min |
| Jul 5, 12:10 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 35 min |
| Jul 5, 12:20 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Monroe | 40 min |
| Jul 5, 12:53 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 47 min |
| Jul 5, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 5 hr |
| Jul 5, 1:32 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 58 min |
| Jul 5, 1:33 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 57 min |
| Jul 5, 1:50 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 40 min |
| Jul 5, 2:02 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 43 min |
| Jul 5, 2:07 PM CDT | Flash Flood Warning | DMX | Jefferson, Van Buren | 6 hr |
| Jul 5, 2:40 PM CDT | Flash Flood Warning | DMX | Adams, Union | 6 hr |
| Jul 5, 2:57 PM CDT | Severe Thunderstorm Warning | OAX | Page | 48 min |
| Jul 5, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 9 more | 4 hr |
| Jul 5, 3:04 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 41 min |
| Jul 9, 9:11 PM CDT | Tornado Warning | FSD | Lyon, Sioux | 34 min |
| Jul 9, 9:39 PM CDT | Tornado Warning | FSD | O'Brien, Osceola | 36 min |
| Jul 9, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 18 more | 5 hr |
| Jul 9, 10:14 PM CDT | Tornado Warning | FSD | O'Brien, Osceola | 31 min |
| Jul 9, 10:18 PM CDT | Flash Flood Warning | FSD | Dickinson | 87 min |
| Jul 9, 10:24 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 36 min |
| Jul 9, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 21 more | 6 hr |
| Jul 9, 10:39 PM CDT | Flash Flood Warning | FSD | Clay, O'Brien | 96 min |
| Jul 9, 10:44 PM CDT | Flash Flood Warning | DMX | Emmet | 18 hr |
| Jul 9, 11:05 PM CDT | Flash Flood Warning | DMX | Palo Alto | 15 hr |
| Jul 9, 11:30 PM CDT | Flash Flood Warning | DMX | Kossuth | 15 hr |
| Jul 9, 11:48 PM CDT | Flash Flood Warning | DMX | Humboldt | 15 hr |
| Jul 10, 12:06 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 69 min |
| Jul 10, 12:09 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 36 min |
| Jul 10, 12:10 AM CDT | Severe Thunderstorm Warning | ARX | Floyd | 65 min |
| Jul 10, 12:20 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hardin | 40 min |
| Jul 10, 12:29 AM CDT | Flash Flood Warning | DMX | Cerro Gordo, Worth | 15 hr |
| Jul 10, 12:36 AM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 3 hr |
| Jul 10, 12:36 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 54 min |
| Jul 10, 12:52 AM CDT | Severe Thunderstorm Warning | DMX | Butler | 38 min |
| Jul 10, 12:57 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 48 min |
| Jul 10, 1:00 AM CDT | Flash Flood Warning | ARX | Winneshiek | 3 hr |
| Jul 10, 1:03 AM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 42 min |
| Jul 10, 1:24 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 51 min |
| Jul 10, 1:29 AM CDT | Flash Flood Warning | DMX | Black Hawk, Bremer, Butler, Franklin, Grundy, Hardin | 15 hr |
| Jul 10, 1:33 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 57 min |
| Jul 10, 1:34 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 56 min |
| Jul 10, 1:38 AM CDT | Flash Flood Warning | ARX | Allamakee, Clayton, Fayette | 3 hr |
| Jul 10, 1:44 AM CDT | Flash Flood Warning | DMX | Emmet, Humboldt, Kossuth, Palo Alto | 15 hr |
| Jul 10, 1:46 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 29 min |
| Jul 10, 1:53 AM CDT | Flash Flood Warning | DVN | Buchanan, Delaware, Dubuque | 4 hr |
| Jul 10, 2:15 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 60 min |
| Jul 10, 2:30 AM CDT | Severe Thunderstorm Watch | SPC | Clinton, Jackson | 6 hr |
| Jul 10, 2:35 AM CDT | Flash Flood Warning | DVN | Benton, Linn | 4 hr |
| Jul 10, 3:59 AM CDT | Flash Flood Warning | DVN | Jones | 3 hr |
| Jul 10, 4:47 AM CDT | Flash Flood Warning | DMX | Humboldt, Kossuth | 15 hr |
| Jul 10, 5:19 AM CDT | Flash Flood Warning | DMX | Black Hawk, Grundy | 15 hr |
| Jul 11, 1:44 AM CDT | Flash Flood Warning | DVN | Van Buren | 4 hr |
| Jul 11, 3:47 AM CDT | Flash Flood Warning | DMX | Davis | 15 hr |
| Jul 11, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, Osceola | 6 hr |
| Jul 11, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 23 more | 6 hr |
| Jul 11, 7:52 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 23 min |
| Jul 11, 8:36 PM CDT | Tornado Warning | FSD | Osceola | 24 min |
| Jul 11, 8:52 PM CDT | Tornado Warning | FSD | Plymouth | 23 min |
| Jul 11, 9:40 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 35 min |
| Jul 11, 10:04 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 26 min |
| Jul 11, 10:17 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 28 min |
| Jul 11, 10:44 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 31 min |
| Jul 11, 10:46 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 44 min |
| Jul 11, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Cass, Clarke, Decatur, Fremont and 10 more | 5 hr |
| Jul 11, 11:01 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 44 min |
| Jul 15, 9:18 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 42 min |
| Jul 15, 9:25 AM CDT | Severe Thunderstorm Warning | DMX | Greene | 35 min |
| Jul 15, 9:38 AM CDT | Severe Thunderstorm Warning | DMX | Adair | 52 min |
| Jul 16, 4:41 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 19 min |
| Jul 24, 10:42 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 48 min |
| Jul 25, 2:41 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 34 min |
| Jul 25, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Emmet, Kossuth, O'Brien, Osceola and 3 more | 6 hr |
| Jul 25, 8:39 PM CDT | Tornado Warning | FSD | Osceola | 51 min |
| Jul 25, 9:41 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson, Lyon, Osceola | 49 min |
| Jul 25, 10:03 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Sioux | 42 min |
| Jul 25, 10:10 PM CDT | Tornado Warning | FSD | Dickinson | 35 min |
| Jul 25, 10:17 PM CDT | Tornado Warning | FSD | Lyon, Sioux | 43 min |
| Jul 25, 10:28 PM CDT | Tornado Warning | FSD | Clay | 47 min |
| Jul 25, 10:35 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 25 min |
| Jul 25, 10:51 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 24 min |
| Jul 25, 10:59 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 31 min |
| Jul 25, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 18 more | 4 hr |
| Jul 25, 11:05 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 40 min |
| Jul 25, 11:18 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 27 min |
| Jul 25, 11:19 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 26 min |
| Jul 25, 11:32 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 28 min |
| Jul 25, 11:38 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 52 min |
| Jul 25, 11:47 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 43 min |
| Jul 25, 11:59 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 31 min |
| Jul 26, 12:08 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 37 min |
| Jul 26, 12:13 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 47 min |
| Jul 26, 12:23 AM CDT | Severe Thunderstorm Warning | DMX | Sac | 52 min |
| Jul 26, 12:28 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 32 min |
| Jul 26, 12:46 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 44 min |
| Jul 26, 1:53 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 22 min |
| Jul 26, 2:38 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 52 min |
| Jul 26, 3:29 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 46 min |
| Jul 26, 8:49 AM CDT | Severe Thunderstorm Warning | DMX | Story | 41 min |
| Jul 26, 8:54 AM CDT | Severe Thunderstorm Warning | DMX | Marshall | 36 min |
| Jul 26, 9:03 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 27 min |
| Jul 26, 9:57 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Story | 33 min |
| Jul 26, 10:14 AM CDT | Severe Thunderstorm Warning | DVN | Delaware | 46 min |
| Jul 26, 10:30 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 45 min |
| Jul 26, 11:03 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 42 min |
| Jul 26, 12:18 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 27 min |
| Jul 26, 12:40 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 50 min |
| Jul 26, 1:22 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 23 min |
| Jul 26, 1:31 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 29 min |
| Jul 26, 1:43 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 32 min |
| Jul 26, 1:56 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 34 min |
| Jul 26, 2:03 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 42 min |
| Jul 26, 2:30 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 34 more | 6 hr |
| Jul 26, 2:53 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 52 min |
| Jul 26, 3:00 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 45 min |
| Jul 26, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 43 min |
| Jul 26, 3:18 PM CDT | Tornado Warning | DMX | Guthrie | 27 min |
| Jul 26, 3:26 PM CDT | Tornado Warning | DMX | Boone | 34 min |
| Jul 26, 3:36 PM CDT | Severe Thunderstorm Warning | DMX | Story | 39 min |
| Jul 26, 3:52 PM CDT | Tornado Warning | DMX | Story | 23 min |
| Jul 26, 3:52 PM CDT | Tornado Warning | DMX | Guthrie | 38 min |
| Jul 26, 4:29 PM CDT | Tornado Warning | DMX | Guthrie | 46 min |
| Jul 26, 4:35 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 40 min |
| Jul 26, 4:59 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 46 min |
| Jul 26, 5:02 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 43 min |
| Jul 26, 5:06 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 39 min |
| Jul 26, 5:07 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 28 min |
| Jul 26, 5:26 PM CDT | Tornado Warning | OAX | Pottawattamie, Shelby | 34 min |
| Jul 26, 5:40 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 50 min |
| Jul 26, 5:42 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 33 min |
| Jul 26, 5:58 PM CDT | Tornado Warning | OAX | Pottawattamie | 32 min |
| Jul 26, 6:10 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 35 min |
| Jul 26, 6:28 PM CDT | Tornado Warning | OAX | Pottawattamie | 47 min |
| Jul 26, 6:33 PM CDT | Tornado Warning | DMX | Cass | 27 min |
| Jul 26, 6:49 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 41 min |
| Jul 26, 6:52 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 38 min |
| Jul 26, 7:02 PM CDT | Tornado Warning | OAX | Mills | 28 min |
| Jul 26, 7:19 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 26 min |
| Jul 26, 7:32 PM CDT | Tornado Warning | OAX | Mills | 28 min |
| Jul 26, 7:41 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 34 min |
| Jul 26, 7:56 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 49 min |
| Jul 26, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Page, Ringgold, Taylor | 5 hr |
| Aug 1, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 24 more | 6 hr |
| Aug 1, 4:41 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 64 min |
| Aug 1, 5:20 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 55 min |
| Aug 1, 5:26 PM CDT | Tornado Warning | ARX | Winneshiek | 64 min |
| Aug 1, 5:45 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 60 min |
| Aug 1, 6:19 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 56 min |
| Aug 1, 6:42 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 33 min |
| Aug 1, 7:13 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 77 min |
| Aug 1, 7:13 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 77 min |
| Aug 5, 5:20 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 30 min |
| Aug 5, 5:50 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 40 min |
| Aug 5, 5:59 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 31 min |
| Aug 5, 6:30 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 45 min |
| Aug 5, 6:30 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 58 more | 6 hr |
| Aug 5, 6:40 PM CDT | Tornado Warning | OAX | Harrison | 50 min |
| Aug 5, 7:31 PM CDT | Tornado Warning | OAX | Harrison, Shelby | 29 min |
| Aug 5, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 30 min |
| Aug 5, 7:57 PM CDT | Tornado Warning | OAX | Shelby | 33 min |
| Aug 5, 8:30 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 30 min |
| Aug 5, 8:34 PM CDT | Tornado Warning | OAX | Pottawattamie | 31 min |
| Aug 5, 8:35 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 40 min |
| Aug 5, 9:12 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 33 min |
| Aug 5, 9:43 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 32 min |
| Aug 6, 1:46 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| Aug 6, 2:30 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 45 min |
| Aug 6, 3:01 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 29 min |
| Aug 6, 4:47 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Sac | 28 min |
| Aug 6, 5:30 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 30 min |
| Aug 6, 1:09 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 51 min |
| Aug 6, 1:29 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 61 min |
| Aug 6, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry and 11 more | 6 hr |
| Aug 6, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Iowa and 11 more | 5 hr |
| Aug 6, 2:56 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 49 min |
| Aug 6, 3:04 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 41 min |
| Aug 7, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 14 more | 6 hr |
| Aug 7, 7:41 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 34 min |
| Aug 7, 8:13 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Sioux | 47 min |
| Aug 7, 9:10 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 35 min |
| Aug 7, 9:57 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 33 min |
| Aug 7, 10:29 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 31 min |
| Aug 7, 10:44 PM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 31 min |
| Aug 7, 10:59 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 16 min |
| Aug 7, 11:15 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 16 more | 6 hr |
| Aug 7, 11:22 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 38 min |
| Aug 7, 11:47 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 28 min |
| Aug 8, 12:05 AM CDT | Severe Thunderstorm Warning | DMX | Worth | 40 min |
| Aug 8, 12:18 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 57 min |
| Aug 8, 12:18 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 27 min |
| Aug 8, 12:46 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 29 min |
| Aug 8, 1:03 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 42 min |
| Aug 8, 1:16 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 44 min |
| Aug 8, 1:45 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 30 min |
| Aug 8, 2:05 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 40 min |
| Aug 8, 2:32 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 28 min |
| Aug 8, 2:35 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 40 min |
| Aug 8, 2:41 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 34 min |
| Aug 8, 2:54 AM CDT | Severe Thunderstorm Warning | DMX | Greene | 51 min |
| Aug 9, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Cedar, Davis, Des Moines, Henry and 23 more | 5 hr |
| Aug 9, 1:14 AM CDT | Severe Thunderstorm Warning | DVN | Iowa | 46 min |
| Aug 9, 1:55 AM CDT | Severe Thunderstorm Warning | DVN | Iowa | 50 min |
| Aug 9, 2:27 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 28 min |
| Aug 9, 2:48 AM CDT | Severe Thunderstorm Warning | DVN | Washington | 57 min |
| Aug 9, 2:55 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 65 min |
| Aug 9, 3:25 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Louisa | 65 min |
| Aug 12, 4:00 PM CDT | Tornado Watch | SPC | Cerro Gordo, Chickasaw, Clay, Dickinson, Emmet, Floyd and 12 more | 6 hr |
| Aug 12, 10:42 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 18 min |
| Aug 12, 11:27 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 18 min |
| Aug 12, 11:41 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 34 min |
| Aug 12, 11:45 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 30 min |
| Aug 13, 12:14 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 46 min |
| Aug 13, 12:59 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 46 min |
| Aug 13, 1:46 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 29 min |
| Aug 13, 2:37 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 23 min |
| Aug 16, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 15 more | 5 hr |
| Aug 16, 8:56 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 34 min |
| Aug 16, 9:15 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Clay, O'Brien | 30 min |
| Aug 16, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 35 min |
| Aug 16, 9:42 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 18 min |
| Aug 16, 9:44 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 31 min |
| Aug 16, 10:38 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 37 min |
| Aug 16, 11:07 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 23 min |
| Aug 16, 11:16 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 19 min |
| Aug 26, 4:00 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 11 more | 4 hr |
| Aug 26, 5:42 AM CDT | Severe Thunderstorm Warning | ARX | Howard | 63 min |
| Aug 26, 6:30 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 45 min |
| Aug 26, 3:43 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 62 min |
| Aug 26, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Davis, Des Moines, Henry, Iowa, Jasper and 13 more | 5 hr |
| Aug 26, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Lee, Van Buren | 5 hr |
| Aug 28, 3:06 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 39 min |
| Sep 2, 7:30 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 30 min |
| Sep 3, 4:26 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 49 min |
| Sep 3, 6:05 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 55 min |
| Sep 10, 7:33 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 42 min |
| Sep 10, 7:56 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 49 min |
| Sep 10, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 9 more | 6 hr |
| Sep 10, 8:47 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 28 min |
| Sep 10, 8:53 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 52 min |
| Sep 11, 9:15 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 30 min |
| Sep 11, 1:15 PM CDT | Tornado Watch | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 21 more | 6 hr |
| Sep 11, 1:26 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 49 min |
| Sep 11, 3:30 PM CDT | Tornado Watch | SPC | Allamakee, Howard, Mitchell, Winneshiek | 5 hr |
| Sep 11, 4:43 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 32 min |
| Sep 11, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Clarke, Davis, Decatur, Henry, Jefferson and 8 more | 5 hr |
| Sep 11, 4:57 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 63 min |
| Sep 11, 5:02 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 43 min |
| Sep 11, 5:05 PM CDT | Tornado Warning | DVN | Dubuque | 25 min |
| Sep 11, 5:14 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 46 min |
| Sep 11, 5:19 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 41 min |
| Sep 11, 5:41 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 49 min |
| Sep 11, 5:53 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones | 67 min |
| Sep 11, 5:54 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 66 min |
| Sep 11, 6:22 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk, Washington | 68 min |
| Sep 11, 6:23 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 27 min |
| Sep 11, 6:37 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 33 min |
| Sep 11, 6:45 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 45 min |
| Sep 11, 6:57 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 48 min |
| Sep 11, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Delaware, Dubuque, Iowa, Jackson and 5 more | 4 hr |
| Sep 11, 7:21 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 69 min |
| Sep 11, 7:28 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 47 min |
| Sep 11, 7:33 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 27 min |
| Sep 11, 7:35 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk, Washington | 40 min |
| Sep 11, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Lee | 4 hr |
| Sep 11, 8:02 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 43 min |
| Sep 11, 8:15 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 30 min |
| Sep 11, 8:39 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 51 min |
| Sep 11, 9:18 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 27 min |
| Sep 13, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 41 more | 5 hr |
| Sep 13, 7:50 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 40 min |
| Sep 13, 8:07 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 53 min |
| Sep 13, 8:07 PM CDT | Tornado Warning | FSD | Clay | 23 min |
| Sep 13, 8:33 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth | 27 min |
| Sep 13, 8:35 PM CDT | Tornado Warning | DMX | Palo Alto, Pocahontas | 25 min |
| Sep 13, 8:40 PM CDT | Tornado Warning | DMX | Humboldt, Kossuth | 20 min |
| Sep 13, 8:53 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Wright | 52 min |
| Sep 13, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth | 17 min |
| Sep 13, 9:30 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster, Wright | 45 min |
| Sep 13, 9:58 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 47 min |
| Sep 13, 10:14 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Story | 46 min |
| Sep 13, 10:41 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 34 min |
| Sep 13, 11:35 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 40 min |
| Sep 14, 12:15 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 17 more | 5 hr |
| Sep 14, 12:27 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 33 min |
| Sep 14, 1:08 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 22 min |
| Sep 14, 1:10 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 35 min |
| Sep 14, 1:56 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 49 min |
| Sep 14, 2:50 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 40 min |
| Sep 14, 3:03 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 42 min |
| Sep 14, 3:14 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 31 min |
| Sep 14, 3:15 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Des Moines, Henry, Iowa, Jefferson and 11 more | 5 hr |
| Sep 22, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Clarke, Davis, Decatur, Jefferson, Keokuk and 12 more | 6 hr |
| Sep 22, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 47 min |
| Sep 22, 4:47 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 43 min |
| Sep 22, 6:36 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 39 min |
| Sep 22, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 8 more | 6 hr |
| Sep 22, 7:20 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 25 min |
| Sep 22, 9:04 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 56 min |
| Oct 3, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 21 more | 6 hr |
| Oct 3, 5:30 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 45 min |
| Oct 3, 8:29 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 46 min |
| Oct 3, 8:56 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 34 min |
| Oct 3, 9:15 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 45 min |
| Oct 3, 10:19 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 46 min |
| Oct 13, 6:49 PM CDT | Tornado Warning | DMX | Palo Alto, Pocahontas | 26 min |
| Oct 13, 6:52 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 23 min |
| Oct 13, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 30 min |
| Oct 13, 7:17 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 28 min |
| Oct 13, 7:44 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Winnebago | 46 min |
| Oct 31, 7:50 PM CST | Severe Thunderstorm Warning | OAX | Monona | 40 min |
| Nov 1, 1:39 PM CST | Severe Thunderstorm Warning | DMX | Tama | 31 min |
| Nov 1, 2:27 PM CST | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 38 min |
| Nov 1, 3:00 PM CST | Tornado Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 40 more | 5 hr |
| Nov 1, 3:03 PM CST | Tornado Warning | DMX | Poweshiek | 32 min |
| Nov 1, 3:08 PM CST | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 37 min |
| Nov 1, 3:12 PM CST | Severe Thunderstorm Warning | DVN | Benton | 63 min |
| Nov 1, 3:19 PM CST | Tornado Warning | DMX | Tama | 16 min |
| Nov 1, 3:59 PM CST | Tornado Warning | DVN | Benton, Buchanan | 71 min |
| Nov 1, 5:01 PM CST | Severe Thunderstorm Warning | DVN | Benton, Linn | 44 min |
| Nov 1, 5:17 PM CST | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 63 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 | 545 |
| Tornado Warning | 78 |
| Severe Thunderstorm Watch | 65 |
| Tornado Watch | 19 |
| Flooding | |
| Flash Flood Warning | 62 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Johnson County40
- Allamakee County39
- Black Hawk County38
- Mahaska County38
- Washington County38
- Benton County37
- Buchanan County37
- Linn County36
- Polk County36
- Tama County35
- Pottawattamie County35
- Louisa County34
- Delaware County34
- Dubuque County34
- Iowa County34
- Keokuk County34
- Wapello County33
- Dallas County33
- Wayne County32
- Cass County32
- Chickasaw County32
- Cedar County31
- Muscatine County31
- Poweshiek County31
- Fayette County31
- Scott County31
- Adair County31
- Winneshiek County31
- Monroe County30
- Clinton County30
- Jones County30
- Clayton County30
- Davis County29
- Jefferson County29
- Warren County29
- Story County29
- Des Moines County28
- Marion County28
- Van Buren County28
- Buena Vista County28
59 more counties
- Clay County28
- Harrison County28
- Shelby County28
- Grundy County28
- Plymouth County27
- Sioux County27
- Guthrie County27
- Lee County27
- Monona County27
- Palo Alto County27
- Mills County27
- Jasper County27
- Marshall County27
- Bremer County26
- Appanoose County26
- Page County26
- Fremont County26
- Mitchell County26
- Decatur County26
- Henry County25
- Boone County25
- Floyd County25
- Hardin County25
- Greene County24
- Cherokee County24
- Kossuth County24
- Woodbury County24
- Cerro Gordo County24
- Hamilton County24
- Montgomery County24
- Clarke County24
- Lucas County24
- Jackson County23
- O'Brien County23
- Audubon County23
- Madison County23
- Ringgold County23
- Taylor County23
- Union County22
- Butler County22
- Adams County22
- Howard County21
- Worth County21
- Carroll County20
- Pocahontas County20
- Lyon County19
- Franklin County19
- Humboldt County19
- Osceola County17
- Calhoun County17
- Crawford County17
- Dickinson County16
- Sac County16
- Webster County16
- Hancock County15
- Wright County15
- Emmet County14
- Ida County12
- Winnebago County10
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19992001
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.