Alert archive / Iowa / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Iowa, 2008
1,012 severe thunderstorm warnings in 2008. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Severe Thunderstorm Warnings
- 1,012
- Busiest month
- June480 severe thunderstorm warnings
- Busiest day
- June 26, 200863 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Jan 7, 5:52 AM CST | Severe Thunderstorm Warning | DVN | Jones | 23 min |
| Jan 7, 6:07 AM CST | Severe Thunderstorm Warning | DVN | Dubuque | 38 min |
| Jan 7, 6:26 AM CST | Severe Thunderstorm Warning | DVN | Dubuque | 34 min |
| Jan 7, 2:16 PM CST | Severe Thunderstorm Warning | DVN | Lee | 29 min |
| Mar 27, 8:16 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Poweshiek | 44 min |
| Mar 27, 8:49 AM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine | 56 min |
| Mar 31, 5:47 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 28 min |
| Apr 10, 6:11 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe | 35 min |
| Apr 10, 8:01 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 44 min |
| Apr 10, 8:23 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Muscatine, Washington | 20 min |
| Apr 10, 8:56 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 34 min |
| Apr 10, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold, Wayne | 35 min |
| Apr 10, 9:52 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Wayne | 38 min |
| Apr 17, 2:37 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Warren | 25 min |
| Apr 22, 12:46 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 21 min |
| Apr 22, 1:12 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 33 min |
| Apr 22, 1:31 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 29 min |
| Apr 22, 1:47 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 28 min |
| Apr 22, 3:36 AM CDT | Severe Thunderstorm Warning | DMX | Hardin, Marshall, Story | 39 min |
| Apr 22, 3:39 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 36 min |
| Apr 22, 4:15 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 45 min |
| Apr 22, 4:50 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 28 min |
| Apr 22, 5:04 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Warren | 41 min |
| Apr 22, 5:25 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion | 35 min |
| Apr 22, 5:51 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Monroe | 39 min |
| Apr 24, 4:49 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth | 36 min |
| Apr 24, 5:37 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 23 min |
| Apr 24, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth | 47 min |
| Apr 24, 5:59 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 46 min |
| Apr 24, 6:44 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 31 min |
| Apr 24, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 53 min |
| Apr 24, 7:35 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene, Guthrie | 55 min |
| Apr 24, 8:16 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 44 min |
| Apr 24, 8:29 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 35 min |
| Apr 24, 8:47 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 18 min |
| Apr 24, 9:07 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 38 min |
| Apr 25, 1:23 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 52 min |
| Apr 25, 1:52 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 38 min |
| Apr 25, 2:10 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 35 min |
| Apr 25, 2:18 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 42 min |
| Apr 25, 2:32 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 43 min |
| Apr 25, 3:00 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie, Madison, Union | 45 min |
| Apr 25, 3:19 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 41 min |
| Apr 25, 3:47 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Warren | 43 min |
| Apr 25, 3:53 AM CDT | Severe Thunderstorm Warning | DMX | Marion, Polk, Warren | 52 min |
| Apr 25, 4:25 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion | 50 min |
| Apr 25, 4:54 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Monroe, Wapello | 40 min |
| Apr 25, 4:59 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek | 46 min |
| Apr 25, 7:30 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 30 min |
| Apr 25, 7:47 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 13 min |
| Apr 25, 1:42 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Dubuque, Linn | 63 min |
| Apr 25, 2:26 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones, Linn | 39 min |
| Apr 25, 2:31 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Henry, Johnson, Keokuk, Louisa, Muscatine and 1 more | 59 min |
| Apr 25, 2:34 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 56 min |
| Apr 25, 2:54 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 47 min |
| Apr 25, 3:41 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 64 min |
| Apr 25, 4:27 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 63 min |
| Apr 25, 5:36 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 24 min |
| May 1, 9:16 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 44 min |
| May 1, 9:58 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 16 min |
| May 2, 12:42 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Scott | 50 min |
| May 2, 1:01 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 14 min |
| May 2, 1:42 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 63 min |
| May 2, 6:15 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 21 min |
| May 2, 3:13 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 47 min |
| May 6, 3:28 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 47 min |
| May 6, 4:12 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 48 min |
| May 6, 4:21 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 39 min |
| May 6, 4:37 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 53 min |
| May 6, 4:46 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth, Woodbury | 44 min |
| May 6, 4:49 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth | 26 min |
| May 6, 4:54 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 36 min |
| May 6, 4:56 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 34 min |
| May 6, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 29 min |
| May 6, 5:17 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 28 min |
| May 6, 5:28 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 47 min |
| May 6, 5:29 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 13 min |
| May 6, 5:59 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 46 min |
| May 6, 6:12 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 33 min |
| May 6, 6:31 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 44 min |
| May 6, 6:39 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 51 min |
| May 6, 6:54 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 51 min |
| May 6, 6:57 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 48 min |
| May 6, 6:58 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 10 min |
| May 6, 7:10 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 50 min |
| May 6, 7:17 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 43 min |
| May 6, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin | 45 min |
| May 6, 7:48 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy | 42 min |
| May 6, 8:13 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 21 min |
| May 6, 8:15 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall, Tama | 45 min |
| May 6, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Grundy | 48 min |
| May 6, 8:27 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 19 min |
| May 6, 8:32 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 43 min |
| May 6, 8:45 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 45 min |
| May 6, 8:48 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 42 min |
| May 6, 8:49 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 56 min |
| May 6, 8:52 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 23 min |
| May 6, 8:53 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 37 min |
| May 6, 9:01 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 59 min |
| May 6, 9:21 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Jones, Linn | 54 min |
| May 6, 10:05 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones, Linn | 40 min |
| May 6, 10:50 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 40 min |
| May 6, 11:12 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 48 min |
| May 6, 11:51 PM CDT | Severe Thunderstorm Warning | OAX | Page | 24 min |
| May 13, 2:29 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 39 min |
| May 13, 2:47 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 43 min |
| May 13, 2:56 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 34 min |
| May 19, 5:11 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 49 min |
| May 19, 5:34 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 41 min |
| May 19, 5:44 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 14 min |
| May 24, 12:39 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 36 min |
| May 24, 3:52 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 23 min |
| May 25, 9:13 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 47 min |
| May 25, 3:38 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 52 min |
| May 25, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 28 min |
| May 25, 4:17 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 43 min |
| May 25, 5:16 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd | 29 min |
| May 25, 5:31 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 29 min |
| May 25, 5:33 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 42 min |
| May 25, 5:47 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas | 43 min |
| May 25, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 26 min |
| May 25, 6:29 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 76 min |
| May 25, 7:14 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 46 min |
| May 25, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Greene, Guthrie | 45 min |
| May 25, 7:19 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 26 min |
| May 25, 7:32 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 43 min |
| May 25, 7:36 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 24 min |
| May 25, 7:38 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Story | 52 min |
| May 25, 7:41 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Pottawattamie | 34 min |
| May 25, 7:50 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 40 min |
| May 25, 7:54 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 51 min |
| May 25, 7:56 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 34 min |
| May 25, 7:57 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 63 min |
| May 25, 8:02 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 43 min |
| May 25, 8:05 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 40 min |
| May 25, 8:05 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 55 min |
| May 25, 8:06 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 39 min |
| May 25, 8:11 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 19 min |
| May 25, 8:11 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 34 min |
| May 25, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Butler, Grundy | 33 min |
| May 25, 8:29 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Taylor, Union | 46 min |
| May 25, 8:39 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 37 min |
| May 25, 8:44 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor | 46 min |
| May 25, 8:44 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 31 min |
| May 25, 8:46 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 44 min |
| May 25, 8:46 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 29 min |
| May 25, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Jasper, Madison, Polk, Warren | 51 min |
| May 25, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Tama | 47 min |
| May 25, 9:01 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 44 min |
| May 25, 9:02 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 43 min |
| May 25, 9:07 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 53 min |
| May 25, 9:09 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Clarke, Madison, Union, Warren | 51 min |
| May 25, 9:21 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Madison, Polk | 39 min |
| May 25, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Guthrie, Polk | 50 min |
| May 25, 9:29 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 46 min |
| May 25, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 44 min |
| May 25, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 44 min |
| May 25, 9:32 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 58 min |
| May 25, 9:42 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 48 min |
| May 25, 9:59 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Jasper, Polk, Story | 46 min |
| May 25, 10:03 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion | 42 min |
| May 25, 10:03 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 57 min |
| May 25, 10:12 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 48 min |
| May 25, 10:15 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 45 min |
| May 25, 10:20 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Hamilton, Hardin, Story, Webster | 40 min |
| May 25, 10:35 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 40 min |
| May 25, 10:43 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 36 min |
| May 25, 10:48 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 42 min |
| May 25, 10:51 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 54 min |
| May 25, 10:53 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Henry, Iowa, Jefferson, Johnson, Keokuk and 3 more | 67 min |
| May 25, 11:00 PM CDT | Severe Thunderstorm Warning | DMX | Monroe, Wapello | 45 min |
| May 25, 11:15 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 45 min |
| May 25, 11:42 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn | 63 min |
| May 25, 11:45 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Jefferson, Johnson, Lee, Louisa and 4 more | 60 min |
| May 26, 12:17 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 42 min |
| May 26, 12:28 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 32 min |
| May 29, 9:03 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Hamilton, Humboldt, Pocahontas, Webster, Wright | 42 min |
| May 29, 9:44 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Humboldt, Webster, Wright | 27 min |
| May 29, 6:42 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 33 min |
| May 29, 7:33 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 42 min |
| May 29, 7:57 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 33 min |
| May 29, 8:02 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 19 min |
| May 29, 8:16 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 44 min |
| May 29, 8:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Pottawattamie, Shelby | 23 min |
| May 29, 8:43 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 32 min |
| May 29, 8:44 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 31 min |
| May 29, 9:14 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 31 min |
| May 29, 9:24 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 51 min |
| May 29, 10:02 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 43 min |
| May 29, 10:11 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 49 min |
| May 29, 10:24 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 39 min |
| May 29, 10:51 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Shelby | 39 min |
| May 29, 11:07 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 53 min |
| May 29, 11:30 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 45 min |
| May 29, 11:36 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 23 min |
| May 29, 11:50 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene | 40 min |
| May 30, 12:19 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 29 min |
| May 30, 12:23 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Story | 37 min |
| May 30, 12:51 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 39 min |
| May 30, 1:04 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 41 min |
| May 30, 1:14 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 46 min |
| May 30, 1:41 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Clarke, Dallas, Guthrie, Madison and 2 more | 49 min |
| May 30, 1:50 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union, Warren | 40 min |
| May 30, 2:41 AM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones | 34 min |
| May 30, 4:25 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Warren | 50 min |
| May 30, 5:01 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 44 min |
| May 30, 5:37 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 23 min |
| May 30, 6:32 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 43 min |
| May 30, 7:54 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Louisa | 36 min |
| May 31, 5:18 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 42 min |
| May 31, 5:55 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 26 min |
| May 31, 6:00 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 32 min |
| May 31, 6:30 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 45 min |
| May 31, 7:14 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 61 min |
| May 31, 7:17 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 28 min |
| May 31, 8:29 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 41 min |
| May 31, 9:17 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 58 min |
| May 31, 9:53 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 22 min |
| Jun 2, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Pocahontas | 45 min |
| Jun 2, 8:58 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 28 min |
| Jun 3, 3:18 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 42 min |
| Jun 3, 3:57 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 33 min |
| Jun 3, 4:05 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 40 min |
| Jun 3, 4:07 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 23 min |
| Jun 3, 4:09 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 51 min |
| Jun 3, 4:23 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 37 min |
| Jun 3, 4:41 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 49 min |
| Jun 3, 4:48 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene | 42 min |
| Jun 3, 5:00 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 45 min |
| Jun 3, 5:23 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Guthrie | 33 min |
| Jun 3, 5:33 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Madison, Union | 42 min |
| Jun 3, 5:40 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 50 min |
| Jun 3, 5:43 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Jasper, Marshall, Polk, Story | 47 min |
| Jun 3, 5:46 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Marion, Polk, Warren | 44 min |
| Jun 3, 5:54 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 51 min |
| Jun 3, 6:08 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 52 min |
| Jun 3, 6:13 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk | 47 min |
| Jun 3, 6:23 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Poweshiek, Tama | 52 min |
| Jun 3, 6:31 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Monroe, Warren | 44 min |
| Jun 3, 6:47 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek | 43 min |
| Jun 3, 6:53 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Keokuk, Washington | 52 min |
| Jun 3, 7:00 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 45 min |
| Jun 3, 7:02 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Monroe, Wapello | 43 min |
| Jun 3, 7:43 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn, Louisa, Muscatine and 1 more | 47 min |
| Jun 3, 7:51 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren | 24 min |
| Jun 3, 8:57 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 63 min |
| Jun 3, 6:09 PM CDT | Severe Thunderstorm Warning | OAX | Page | 51 min |
| Jun 4, 5:25 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 50 min |
| Jun 4, 5:32 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 43 min |
| Jun 4, 6:16 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 33 min |
| Jun 4, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Madison, Union | 45 min |
| Jun 4, 6:45 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 45 min |
| Jun 4, 7:33 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 57 min |
| Jun 4, 8:00 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 31 min |
| Jun 4, 8:02 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 28 min |
| Jun 4, 8:19 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 41 min |
| Jun 4, 8:36 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 39 min |
| Jun 4, 9:12 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 48 min |
| Jun 4, 9:17 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie, Shelby | 58 min |
| Jun 4, 9:24 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 66 min |
| Jun 4, 9:56 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 49 min |
| Jun 4, 9:57 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 46 min |
| Jun 4, 10:04 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 41 min |
| Jun 4, 10:10 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 50 min |
| Jun 4, 10:12 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie, Shelby | 27 min |
| Jun 4, 10:22 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 53 min |
| Jun 4, 10:22 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 38 min |
| Jun 4, 10:23 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster, Wright | 41 min |
| Jun 4, 10:47 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 38 min |
| Jun 4, 10:58 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 47 min |
| Jun 4, 11:08 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 52 min |
| Jun 4, 11:10 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass, Taylor, Union | 50 min |
| Jun 4, 11:13 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 47 min |
| Jun 4, 11:34 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Clarke, Madison, Union | 41 min |
| Jun 4, 11:45 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 45 min |
| Jun 5, 12:15 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery | 33 min |
| Jun 5, 12:17 AM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 43 min |
| Jun 5, 12:18 AM CDT | Severe Thunderstorm Warning | DMX | Butler | 42 min |
| Jun 5, 12:28 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 47 min |
| Jun 5, 12:35 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 40 min |
| Jun 5, 12:50 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 40 min |
| Jun 5, 12:59 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 46 min |
| Jun 5, 1:05 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy | 40 min |
| Jun 5, 1:19 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Madison, Ringgold, Union | 41 min |
| Jun 5, 1:20 AM CDT | Severe Thunderstorm Warning | OAX | Page | 40 min |
| Jun 5, 1:40 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 35 min |
| Jun 5, 1:48 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 11 min |
| Jun 5, 1:51 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 39 min |
| Jun 5, 2:02 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 43 min |
| Jun 5, 2:06 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware | 54 min |
| Jun 5, 2:12 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 43 min |
| Jun 5, 2:18 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 57 min |
| Jun 5, 2:26 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Warren | 49 min |
| Jun 5, 4:50 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 25 min |
| Jun 5, 5:04 AM CDT | Severe Thunderstorm Warning | DVN | Iowa, Keokuk, Washington | 41 min |
| Jun 5, 6:58 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 32 min |
| Jun 5, 12:07 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 15 min |
| Jun 5, 12:09 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 36 min |
| Jun 5, 12:31 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 29 min |
| Jun 5, 12:33 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 27 min |
| Jun 5, 12:56 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 49 min |
| Jun 5, 12:57 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 33 min |
| Jun 5, 1:05 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 25 min |
| Jun 5, 1:17 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 43 min |
| Jun 5, 2:34 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 26 min |
| Jun 5, 6:24 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 51 min |
| Jun 5, 7:02 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 28 min |
| Jun 5, 8:01 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 13 min |
| Jun 5, 9:09 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 51 min |
| Jun 5, 9:37 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Clarke, Madison, Union | 38 min |
| Jun 5, 10:01 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 44 min |
| Jun 5, 11:44 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 31 min |
| Jun 5, 11:57 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 48 min |
| Jun 6, 12:20 AM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 40 min |
| Jun 6, 12:47 AM CDT | Severe Thunderstorm Warning | DMX | Marshall | 43 min |
| Jun 6, 12:50 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 40 min |
| Jun 6, 1:08 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy, Tama | 52 min |
| Jun 6, 1:20 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Keokuk, Linn, Washington | 55 min |
| Jun 6, 1:32 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 43 min |
| Jun 6, 1:36 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 39 min |
| Jun 6, 1:50 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 40 min |
| Jun 6, 1:56 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette, Howard, Winneshiek | 34 min |
| Jun 6, 2:24 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton, Winneshiek | 66 min |
| Jun 7, 2:25 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Muscatine, Scott | 47 min |
| Jun 7, 2:52 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 53 min |
| Jun 7, 3:25 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 50 min |
| Jun 7, 3:26 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago | 49 min |
| Jun 7, 3:59 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Winnebago | 30 min |
| Jun 7, 4:58 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 20 min |
| Jun 7, 5:52 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Sac | 38 min |
| Jun 7, 6:00 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 30 min |
| Jun 7, 6:21 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 54 min |
| Jun 7, 6:32 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Webster | 43 min |
| Jun 7, 6:38 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 37 min |
| Jun 7, 6:42 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Wright | 48 min |
| Jun 7, 7:02 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 43 min |
| Jun 7, 7:06 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 39 min |
| Jun 7, 7:32 PM CDT | Severe Thunderstorm Warning | DMX | Crawford, Sac | 58 min |
| Jun 7, 8:17 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 20 min |
| Jun 7, 9:17 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 43 min |
| Jun 7, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 35 min |
| Jun 7, 10:05 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Tama | 29 min |
| Jun 7, 11:00 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 19 min |
| Jun 7, 11:13 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 33 min |
| Jun 7, 11:21 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 39 min |
| Jun 7, 11:24 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 36 min |
| Jun 7, 11:28 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 47 min |
| Jun 8, 12:32 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 43 min |
| Jun 8, 1:04 AM CDT | Severe Thunderstorm Warning | ARX | Howard | 56 min |
| Jun 8, 1:08 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 52 min |
| Jun 8, 1:20 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 25 min |
| Jun 8, 1:44 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 46 min |
| Jun 8, 1:48 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler | 42 min |
| Jun 8, 2:22 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 38 min |
| Jun 8, 2:44 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 46 min |
| Jun 8, 2:47 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 43 min |
| Jun 8, 3:03 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 27 min |
| Jun 8, 3:18 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 42 min |
| Jun 8, 3:29 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 46 min |
| Jun 8, 3:37 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 53 min |
| Jun 8, 6:06 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk, Story | 24 min |
| Jun 8, 6:26 AM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 21 min |
| Jun 8, 7:14 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Tama | 46 min |
| Jun 8, 9:23 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones, Muscatine, Scott | 43 min |
| Jun 8, 10:00 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 45 min |
| Jun 8, 1:37 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 53 min |
| Jun 8, 1:58 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 47 min |
| Jun 8, 2:22 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Hamilton, Webster | 38 min |
| Jun 8, 2:29 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass, Guthrie | 46 min |
| Jun 8, 2:41 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 34 min |
| Jun 8, 2:56 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 49 min |
| Jun 8, 4:22 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Warren | 38 min |
| Jun 8, 4:44 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Madison, Marion, Warren | 24 min |
| Jun 8, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Warren | 44 min |
| Jun 8, 5:20 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Jones, Linn | 55 min |
| Jun 8, 5:27 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek | 28 min |
| Jun 8, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 24 min |
| Jun 8, 5:41 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Keokuk, Linn | 64 min |
| Jun 8, 5:43 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 20 min |
| Jun 8, 6:12 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Dubuque, Iowa, Johnson and 4 more | 63 min |
| Jun 8, 6:33 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Delaware, Dubuque, Jackson, Johnson and 2 more | 57 min |
| Jun 8, 7:10 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 39 min |
| Jun 8, 7:15 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 60 min |
| Jun 8, 7:22 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Iowa, Jefferson, Johnson, Keokuk, Lee and 3 more | 53 min |
| Jun 8, 7:33 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 57 min |
| Jun 8, 8:08 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Des Moines, Henry, Johnson, Lee and 4 more | 67 min |
| Jun 8, 8:38 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Johnson, Jones, Linn | 67 min |
| Jun 8, 9:04 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Muscatine, Scott | 56 min |
| Jun 9, 4:37 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 38 min |
| Jun 9, 6:07 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 38 min |
| Jun 9, 6:19 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 41 min |
| Jun 9, 6:43 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 62 min |
| Jun 9, 6:55 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 50 min |
| Jun 9, 7:21 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 39 min |
| Jun 9, 7:21 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 24 min |
| Jun 9, 7:51 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 29 min |
| Jun 9, 8:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 53 min |
| Jun 9, 8:47 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 43 min |
| Jun 9, 8:48 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 42 min |
| Jun 9, 8:57 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Monroe | 48 min |
| Jun 9, 9:03 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 42 min |
| Jun 9, 9:10 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 50 min |
| Jun 9, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 33 min |
| Jun 9, 9:54 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 51 min |
| Jun 9, 9:58 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Monroe | 47 min |
| Jun 9, 10:00 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 45 min |
| Jun 9, 10:16 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 44 min |
| Jun 9, 10:43 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 47 min |
| Jun 9, 10:56 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 34 min |
| Jun 9, 11:19 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 41 min |
| Jun 9, 11:48 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 42 min |
| Jun 9, 11:56 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Jasper, Marshall, Polk, Story | 49 min |
| Jun 10, 12:02 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 29 min |
| Jun 10, 12:30 AM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 32 min |
| Jun 10, 12:39 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 51 min |
| Jun 10, 1:20 AM CDT | Severe Thunderstorm Warning | DVN | Iowa, Keokuk | 40 min |
| Jun 10, 7:56 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 38 min |
| Jun 10, 8:18 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 57 min |
| Jun 10, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 36 min |
| Jun 10, 9:16 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 59 min |
| Jun 10, 9:53 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 41 min |
| Jun 10, 10:09 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 45 min |
| Jun 11, 3:37 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 38 min |
| Jun 11, 3:43 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 47 min |
| Jun 11, 4:17 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 43 min |
| Jun 11, 4:28 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 47 min |
| Jun 11, 5:14 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 16 min |
| Jun 11, 5:55 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 39 min |
| Jun 11, 6:13 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Osceola, Sioux | 32 min |
| Jun 11, 6:42 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Osceola | 33 min |
| Jun 11, 7:14 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 31 min |
| Jun 11, 4:57 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 33 min |
| Jun 11, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 45 min |
| Jun 11, 5:25 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 50 min |
| Jun 11, 6:08 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 37 min |
| Jun 11, 6:13 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 47 min |
| Jun 11, 6:37 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Ida | 38 min |
| Jun 11, 7:16 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 29 min |
| Jun 11, 7:37 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 38 min |
| Jun 11, 7:46 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 44 min |
| Jun 11, 8:12 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 48 min |
| Jun 11, 8:48 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 27 min |
| Jun 11, 8:48 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 57 min |
| Jun 11, 8:49 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 26 min |
| Jun 11, 8:59 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 46 min |
| Jun 11, 9:07 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Pottawattamie | 38 min |
| Jun 11, 9:10 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 50 min |
| Jun 11, 9:18 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 42 min |
| Jun 11, 9:35 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Winnebago | 40 min |
| Jun 11, 9:37 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago | 38 min |
| Jun 11, 9:54 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 36 min |
| Jun 11, 9:57 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Humboldt, Webster, Wright | 48 min |
| Jun 11, 10:01 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster, Wright | 44 min |
| Jun 11, 10:21 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 39 min |
| Jun 11, 10:26 PM CDT | Severe Thunderstorm Warning | DMX | Story | 49 min |
| Jun 11, 10:32 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 43 min |
| Jun 11, 10:38 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin | 52 min |
| Jun 11, 11:01 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy | 44 min |
| Jun 11, 11:04 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Marshall, Tama | 56 min |
| Jun 11, 11:16 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 29 min |
| Jun 11, 11:18 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 42 min |
| Jun 11, 11:20 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 55 min |
| Jun 12, 4:05 AM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 40 min |
| Jun 12, 4:23 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie | 23 min |
| Jun 12, 9:10 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 28 min |
| Jun 12, 9:31 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 29 min |
| Jun 12, 1:42 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 33 min |
| Jun 12, 3:09 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 29 min |
| Jun 12, 3:29 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 27 min |
| Jun 12, 3:32 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson, Jones | 28 min |
| Jun 12, 3:35 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 25 min |
| Jun 12, 3:47 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 28 min |
| Jun 12, 3:58 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek | 27 min |
| Jun 12, 4:05 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 32 min |
| Jun 12, 4:34 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 32 min |
| Jun 12, 4:40 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 34 min |
| Jun 12, 4:47 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 32 min |
| Jun 12, 5:06 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 39 min |
| Jun 12, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 38 min |
| Jun 12, 5:25 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 50 min |
| Jun 12, 5:26 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 14 min |
| Jun 12, 5:30 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 17 min |
| Jun 12, 5:32 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Keokuk | 27 min |
| Jun 12, 5:36 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 24 min |
| Jun 12, 5:56 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Iowa, Johnson, Jones and 1 more | 37 min |
| Jun 12, 6:03 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Louisa, Washington | 42 min |
| Jun 12, 6:20 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee, Louisa | 40 min |
| Jun 12, 6:30 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Dubuque, Jones, Linn | 30 min |
| Jun 12, 6:31 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren | 33 min |
| Jun 12, 6:38 PM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine, Scott | 52 min |
| Jun 12, 7:02 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Louisa, Washington | 26 min |
| Jun 12, 7:06 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 33 min |
| Jun 12, 7:13 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 47 min |
| Jun 12, 8:04 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Henry, Jefferson, Johnson, Louisa, Muscatine and 1 more | 41 min |
| Jun 12, 8:15 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 30 min |
| Jun 12, 8:43 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 36 min |
| Jun 12, 9:06 PM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine, Scott | 24 min |
| Jun 12, 9:29 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 31 min |
| Jun 12, 9:38 PM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 31 min |
| Jun 14, 1:33 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hamilton, Hardin, Marshall, Story | 42 min |
| Jun 14, 2:12 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy | 48 min |
| Jun 14, 2:14 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall, Tama | 61 min |
| Jun 14, 2:46 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 59 min |
| Jun 14, 2:54 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 51 min |
| Jun 14, 3:00 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 13 min |
| Jun 14, 3:04 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Linn | 56 min |
| Jun 14, 3:09 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 66 min |
| Jun 14, 3:15 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 15 min |
| Jun 14, 3:29 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 61 min |
| Jun 14, 3:43 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 47 min |
| Jun 14, 3:58 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 27 min |
| Jun 14, 4:00 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Linn | 45 min |
| Jun 14, 4:10 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Linn | 35 min |
| Jun 14, 4:43 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine | 47 min |
| Jun 14, 4:56 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Linn | 34 min |
| Jun 14, 5:23 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine, Scott | 52 min |
| Jun 14, 5:28 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones, Linn | 20 min |
| Jun 14, 6:01 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 44 min |
| Jun 14, 6:16 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 44 min |
| Jun 14, 7:03 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Scott | 42 min |
| Jun 14, 7:33 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 42 min |
| Jun 15, 12:36 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Cerro Gordo, Franklin | 39 min |
| Jun 15, 12:37 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay, O'Brien | 38 min |
| Jun 15, 12:38 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 52 min |
| Jun 15, 1:32 AM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Pocahontas, Webster, Wright | 43 min |
| Jun 15, 1:49 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 41 min |
| Jun 15, 2:02 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 25 min |
| Jun 15, 2:06 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Webster, Wright | 39 min |
| Jun 15, 2:17 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Wright | 43 min |
| Jun 15, 2:23 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 55 min |
| Jun 15, 2:32 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hamilton, Hardin | 43 min |
| Jun 15, 3:07 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy, Tama | 53 min |
| Jun 15, 3:23 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Iowa, Johnson, Jones and 1 more | 67 min |
| Jun 15, 3:50 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 19 min |
| Jun 15, 4:38 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Linn, Muscatine | 43 min |
| Jun 15, 8:10 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 35 min |
| Jun 15, 8:29 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 46 min |
| Jun 15, 8:31 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 21 min |
| Jun 15, 8:35 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 40 min |
| Jun 15, 9:07 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 23 min |
| Jun 15, 9:23 AM CDT | Severe Thunderstorm Warning | DMX | Adams | 37 min |
| Jun 15, 9:46 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 44 min |
| Jun 15, 9:56 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Ringgold, Union | 49 min |
| Jun 15, 10:28 AM CDT | Severe Thunderstorm Warning | DMX | Decatur | 47 min |
| Jun 15, 10:49 AM CDT | Severe Thunderstorm Warning | DMX | Wayne | 56 min |
| Jun 15, 11:41 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 49 min |
| Jun 15, 12:04 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 41 min |
| Jun 15, 1:13 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 47 min |
| Jun 15, 1:27 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 48 min |
| Jun 19, 11:15 AM CDT | Severe Thunderstorm Warning | DMX | Carroll | 45 min |
| Jun 19, 12:03 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene, Guthrie | 42 min |
| Jun 19, 12:07 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 38 min |
| Jun 19, 12:49 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 41 min |
| Jun 19, 1:03 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 28 min |
| Jun 19, 1:10 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 52 min |
| Jun 19, 1:10 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 35 min |
| Jun 19, 1:42 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 48 min |
| Jun 19, 1:45 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union | 45 min |
| Jun 19, 1:59 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 46 min |
| Jun 19, 2:09 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 35 min |
| Jun 19, 2:15 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 45 min |
| Jun 19, 2:21 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 39 min |
| Jun 19, 2:43 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 47 min |
| Jun 19, 3:01 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 44 min |
| Jun 19, 3:09 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 51 min |
| Jun 19, 3:14 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 46 min |
| Jun 19, 3:30 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 45 min |
| Jun 19, 3:32 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 29 min |
| Jun 19, 4:14 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 46 min |
| Jun 19, 4:33 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 27 min |
| Jun 19, 5:15 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 19 min |
| Jun 19, 7:42 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 33 min |
| Jun 19, 8:16 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 59 min |
| Jun 20, 1:20 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 55 min |
| Jun 20, 1:39 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones | 66 min |
| Jun 20, 1:47 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Linn | 58 min |
| Jun 20, 2:20 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 25 min |
| Jun 20, 2:29 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 45 min |
| Jun 20, 2:52 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Dubuque, Jackson, Jones | 53 min |
| Jun 20, 3:03 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jones, Linn | 29 min |
| Jun 20, 3:08 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 37 min |
| Jun 20, 3:11 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 64 min |
| Jun 20, 4:11 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 40 min |
| Jun 20, 4:32 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 43 min |
| Jun 20, 4:45 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 30 min |
| Jun 20, 5:24 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 23 min |
| Jun 20, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 29 min |
| Jun 20, 5:33 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 42 min |
| Jun 20, 6:02 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 43 min |
| Jun 20, 6:08 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 37 min |
| Jun 20, 6:23 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Monroe | 20 min |
| Jun 20, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 45 min |
| Jun 20, 6:40 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 35 min |
| Jun 20, 6:41 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Union | 49 min |
| Jun 20, 6:53 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 52 min |
| Jun 20, 7:05 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 40 min |
| Jun 20, 7:19 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 26 min |
| Jun 20, 8:31 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 29 min |
| Jun 20, 10:13 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 47 min |
| Jun 20, 10:38 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 41 min |
| Jun 20, 10:51 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 44 min |
| Jun 20, 11:08 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 52 min |
| Jun 21, 5:13 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 32 min |
| Jun 24, 8:46 PM CDT | Severe Thunderstorm Warning | OAX | Page | 44 min |
| Jun 25, 6:16 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 44 min |
| Jun 25, 6:54 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Polk, Story | 51 min |
| Jun 25, 7:00 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk | 30 min |
| Jun 25, 7:11 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 49 min |
| Jun 25, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 30 min |
| Jun 25, 7:26 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Lee, Van Buren | 64 min |
| Jun 25, 7:29 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 46 min |
| Jun 25, 7:33 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 42 min |
| Jun 25, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 38 min |
| Jun 25, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Story | 34 min |
| Jun 25, 7:43 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin, Story | 36 min |
| Jun 25, 7:54 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 66 min |
| Jun 25, 7:54 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson | 66 min |
| Jun 25, 8:06 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee, Van Buren | 54 min |
| Jun 25, 8:10 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Marshall, Tama | 50 min |
| Jun 25, 8:12 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 48 min |
| Jun 25, 8:16 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Marshall, Polk, Story | 44 min |
| Jun 25, 8:25 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 35 min |
| Jun 25, 8:38 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 67 min |
| Jun 25, 8:50 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 70 min |
| Jun 25, 8:53 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene | 52 min |
| Jun 25, 8:55 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Jasper, Marion, Polk, Warren | 50 min |
| Jun 25, 8:56 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 67 min |
| Jun 25, 8:57 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 33 min |
| Jun 25, 8:57 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 63 min |
| Jun 25, 9:01 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 44 min |
| Jun 25, 9:08 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Greene, Guthrie | 52 min |
| Jun 25, 9:33 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 60 min |
| Jun 25, 9:42 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Jasper, Marion, Polk, Warren | 48 min |
| Jun 25, 9:45 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Guthrie | 45 min |
| Jun 25, 9:48 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Keokuk, Washington | 57 min |
| Jun 25, 9:51 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 39 min |
| Jun 25, 10:21 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Monroe | 39 min |
| Jun 25, 10:24 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Madison, Warren | 51 min |
| Jun 25, 10:36 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Louisa, Muscatine, Washington | 32 min |
| Jun 25, 10:40 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 50 min |
| Jun 25, 10:46 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 44 min |
| Jun 25, 10:50 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 40 min |
| Jun 25, 11:10 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 50 min |
| Jun 25, 11:13 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union | 47 min |
| Jun 25, 11:24 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Lucas, Monroe, Wapello, Wayne | 51 min |
| Jun 25, 11:53 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 33 min |
| Jun 26, 2:00 AM CDT | Severe Thunderstorm Warning | DMX | Warren | 45 min |
| Jun 26, 4:30 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 30 min |
| Jun 26, 5:45 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 45 min |
| Jun 26, 6:06 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 24 min |
| Jun 26, 6:27 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 48 min |
| Jun 26, 6:43 AM CDT | Severe Thunderstorm Warning | DMX | Sac | 62 min |
| Jun 26, 6:46 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 44 min |
| Jun 26, 6:56 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 49 min |
| Jun 26, 7:22 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 38 min |
| Jun 26, 7:39 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 24 min |
| Jun 26, 7:48 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Crawford, Sac | 57 min |
| Jun 26, 8:17 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 58 min |
| Jun 26, 8:24 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 51 min |
| Jun 26, 8:45 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 45 min |
| Jun 26, 9:00 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene | 45 min |
| Jun 26, 9:13 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 47 min |
| Jun 26, 9:31 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Polk, Story | 44 min |
| Jun 26, 9:35 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass, Madison | 40 min |
| Jun 26, 9:44 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 46 min |
| Jun 26, 10:06 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Story | 41 min |
| Jun 26, 10:30 AM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 26 min |
| Jun 26, 10:34 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 26 min |
| Jun 26, 12:05 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 40 min |
| Jun 27, 3:16 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 29 min |
| Jun 27, 3:36 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 39 min |
| Jun 27, 4:27 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago | 23 min |
| Jun 27, 4:32 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 43 min |
| Jun 27, 5:03 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 42 min |
| Jun 27, 5:23 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 52 min |
| Jun 27, 5:34 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison | 41 min |
| Jun 27, 5:39 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 36 min |
| Jun 27, 5:45 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Page | 45 min |
| Jun 27, 6:00 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 60 min |
| Jun 27, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 54 min |
| Jun 27, 6:12 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass, Union | 48 min |
| Jun 27, 6:14 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 46 min |
| Jun 27, 6:21 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 39 min |
| Jun 27, 6:37 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 38 min |
| Jun 27, 6:45 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 45 min |
| Jun 27, 6:50 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette, Winneshiek | 40 min |
| Jun 27, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Clarke, Madison, Union | 40 min |
| Jun 27, 6:57 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 48 min |
| Jun 27, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold | 45 min |
| Jun 27, 7:20 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 40 min |
| Jun 27, 7:22 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Linn | 53 min |
| Jun 27, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 19 min |
| Jun 27, 7:38 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 37 min |
| Jul 2, 4:50 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 38 min |
| Jul 2, 6:44 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 31 min |
| Jul 2, 7:14 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 16 min |
| Jul 2, 2:08 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 67 min |
| Jul 2, 3:22 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 53 min |
| Jul 2, 3:40 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 35 min |
| Jul 2, 3:55 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 36 min |
| Jul 2, 3:59 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 46 min |
| Jul 2, 4:17 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 58 min |
| Jul 2, 4:33 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones | 42 min |
| Jul 2, 4:36 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 39 min |
| Jul 2, 4:40 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 36 min |
| Jul 2, 4:46 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 29 min |
| Jul 2, 5:01 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Keokuk | 59 min |
| Jul 2, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 38 min |
| Jul 2, 5:17 PM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 58 min |
| Jul 2, 5:21 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 54 min |
| Jul 2, 5:56 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 49 min |
| Jul 6, 6:03 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 42 min |
| Jul 6, 11:35 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 40 min |
| Jul 6, 12:09 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 41 min |
| Jul 6, 3:04 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 41 min |
| Jul 6, 3:40 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 50 min |
| Jul 6, 3:52 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 38 min |
| Jul 6, 4:02 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 43 min |
| Jul 6, 4:26 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 49 min |
| Jul 6, 4:29 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 46 min |
| Jul 6, 5:05 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 40 min |
| Jul 6, 5:41 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Wright | 49 min |
| Jul 6, 6:13 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 47 min |
| Jul 6, 6:13 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 47 min |
| Jul 6, 6:24 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Winnebago | 27 min |
| Jul 6, 6:33 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 57 min |
| Jul 7, 12:04 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 39 min |
| Jul 7, 4:40 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 35 min |
| Jul 7, 1:43 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 47 min |
| Jul 7, 1:58 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 62 min |
| Jul 7, 2:20 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 55 min |
| Jul 7, 2:27 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 17 min |
| Jul 7, 3:29 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 46 min |
| Jul 7, 3:41 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 34 min |
| Jul 7, 3:58 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 47 min |
| Jul 7, 4:02 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 43 min |
| Jul 7, 4:10 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 35 min |
| Jul 7, 4:19 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 41 min |
| Jul 7, 4:42 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Webster | 48 min |
| Jul 7, 4:43 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Louisa, Muscatine | 32 min |
| Jul 7, 4:49 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin | 56 min |
| Jul 7, 4:49 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 26 min |
| Jul 7, 4:51 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 39 min |
| Jul 7, 4:59 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 46 min |
| Jul 7, 5:12 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 17 min |
| Jul 7, 5:12 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 33 min |
| Jul 7, 5:24 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 51 min |
| Jul 7, 5:34 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 41 min |
| Jul 7, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler | 56 min |
| Jul 7, 6:00 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 47 min |
| Jul 7, 6:18 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 22 min |
| Jul 7, 6:39 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy | 66 min |
| Jul 7, 7:13 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 47 min |
| Jul 7, 7:18 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 25 min |
| Jul 7, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 47 min |
| Jul 7, 7:28 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 47 min |
| Jul 7, 7:35 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 55 min |
| Jul 7, 8:02 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 21 min |
| Jul 7, 8:34 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 41 min |
| Jul 7, 8:56 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 64 min |
| Jul 7, 9:31 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine, Scott | 44 min |
| Jul 7, 11:15 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 45 min |
| Jul 10, 9:51 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 39 min |
| Jul 10, 11:04 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 26 min |
| Jul 10, 12:06 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 39 min |
| Jul 10, 12:43 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones | 62 min |
| Jul 10, 1:29 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson, Jones | 46 min |
| Jul 10, 1:54 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 51 min |
| Jul 10, 2:41 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 49 min |
| Jul 10, 3:01 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 44 min |
| Jul 10, 4:54 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Linn | 51 min |
| Jul 10, 5:56 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones, Linn | 64 min |
| Jul 10, 6:58 PM CDT | Severe Thunderstorm Warning | DVN | Jackson, Jones | 27 min |
| Jul 10, 7:03 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 42 min |
| Jul 10, 7:46 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 30 min |
| Jul 10, 8:17 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 28 min |
| Jul 10, 8:21 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 54 min |
| Jul 10, 9:06 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 17 min |
| Jul 11, 10:52 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 38 min |
| Jul 12, 12:20 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 25 min |
| Jul 12, 12:50 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 40 min |
| Jul 12, 1:52 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Dubuque, Jones, Linn | 53 min |
| Jul 12, 2:12 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Cedar, Iowa, Johnson, Jones, Linn | 63 min |
| Jul 15, 5:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 38 min |
| Jul 15, 5:55 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 50 min |
| Jul 15, 6:01 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 44 min |
| Jul 15, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 48 min |
| Jul 15, 8:00 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene | 45 min |
| Jul 15, 8:17 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 43 min |
| Jul 15, 8:17 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 43 min |
| Jul 15, 8:25 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 26 min |
| Jul 15, 10:30 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 45 min |
| Jul 17, 9:55 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 50 min |
| Jul 17, 11:07 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 38 min |
| Jul 17, 12:26 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 49 min |
| Jul 17, 12:31 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 29 min |
| Jul 17, 12:52 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 38 min |
| Jul 17, 2:18 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster, Wright | 42 min |
| Jul 17, 2:21 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 39 min |
| Jul 17, 2:35 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 40 min |
| Jul 17, 2:37 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Pocahontas, Webster | 38 min |
| Jul 17, 3:08 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 37 min |
| Jul 17, 3:12 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster, Wright | 48 min |
| Jul 17, 3:33 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 42 min |
| Jul 17, 5:02 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 43 min |
| Jul 17, 5:19 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 11 min |
| Jul 17, 5:35 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 40 min |
| Jul 17, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 45 min |
| Jul 17, 7:11 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 49 min |
| Jul 17, 7:17 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 43 min |
| Jul 17, 7:29 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Webster | 46 min |
| Jul 17, 8:18 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 42 min |
| Jul 19, 2:31 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| Jul 19, 3:40 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 50 min |
| Jul 19, 3:52 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 38 min |
| Jul 19, 4:12 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Osceola, Sioux | 48 min |
| Jul 19, 4:42 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, O'Brien, Osceola | 33 min |
| Jul 19, 4:47 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 43 min |
| Jul 19, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 44 min |
| Jul 19, 6:03 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Wright | 42 min |
| Jul 19, 6:21 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Humboldt, Webster, Wright | 39 min |
| Jul 19, 6:44 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Cerro Gordo, Franklin, Hancock, Wright | 46 min |
| Jul 19, 7:00 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 45 min |
| Jul 19, 7:02 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 43 min |
| Jul 19, 7:36 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 39 min |
| Jul 19, 7:38 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 52 min |
| Jul 19, 7:44 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy, Hardin, Tama | 46 min |
| Jul 19, 8:08 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 54 min |
| Jul 19, 8:09 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 36 min |
| Jul 19, 8:18 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Poweshiek, Tama | 37 min |
| Jul 19, 8:25 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 65 min |
| Jul 19, 8:40 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Linn | 55 min |
| Jul 19, 8:49 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 56 min |
| Jul 19, 9:07 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jones | 53 min |
| Jul 19, 9:22 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 27 min |
| Jul 19, 9:54 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 66 min |
| Jul 19, 10:07 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 38 min |
| Jul 19, 10:19 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 41 min |
| Jul 19, 10:29 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Monroe, Warren | 30 min |
| Jul 19, 11:08 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 28 min |
| Jul 20, 2:47 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Polk, Story | 28 min |
| Jul 20, 1:37 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 38 min |
| Jul 20, 1:45 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 45 min |
| Jul 20, 2:13 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 47 min |
| Jul 20, 11:36 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 39 min |
| Jul 20, 11:53 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 52 min |
| Jul 21, 12:02 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 43 min |
| Jul 21, 12:34 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 41 min |
| Jul 21, 12:52 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 23 min |
| Jul 21, 1:09 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 51 min |
| Jul 21, 1:10 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 65 min |
| Jul 21, 1:13 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 32 min |
| Jul 21, 1:15 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 45 min |
| Jul 21, 1:16 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 44 min |
| Jul 21, 1:33 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 42 min |
| Jul 21, 1:46 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 29 min |
| Jul 21, 2:00 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 45 min |
| Jul 21, 2:03 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Calhoun, Carroll, Greene, Guthrie | 57 min |
| Jul 21, 2:19 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 41 min |
| Jul 21, 2:33 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Guthrie, Polk, Story | 57 min |
| Jul 21, 2:51 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 27 min |
| Jul 21, 3:06 AM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 54 min |
| Jul 21, 3:14 AM CDT | Severe Thunderstorm Warning | DMX | Madison, Marion, Polk, Warren | 61 min |
| Jul 21, 3:16 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 17 min |
| Jul 21, 3:22 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 53 min |
| Jul 21, 3:49 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren | 41 min |
| Jul 21, 3:53 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Lucas, Mahaska, Marion, Monroe, Poweshiek and 1 more | 67 min |
| Jul 21, 4:05 AM CDT | Severe Thunderstorm Warning | DMX | Marshall, Tama | 40 min |
| Jul 21, 4:26 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Keokuk, Linn, Washington | 64 min |
| Jul 21, 4:53 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren | 67 min |
| Jul 21, 5:06 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Johnson, Louisa, Muscatine, Scott and 1 more | 54 min |
| Jul 21, 5:46 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Scott | 59 min |
| Jul 21, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 30 min |
| Jul 22, 4:53 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 23 min |
| Jul 27, 12:18 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 42 min |
| Jul 27, 1:59 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin | 46 min |
| Jul 27, 2:07 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 38 min |
| Jul 27, 2:12 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 48 min |
| Jul 27, 2:23 PM CDT | Severe Thunderstorm Warning | OAX | Page | 52 min |
| Jul 27, 2:49 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Humboldt, Pocahontas, Webster | 41 min |
| Jul 27, 3:28 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Hamilton, Story, Webster | 47 min |
| Jul 27, 3:46 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall, Tama | 44 min |
| Jul 27, 4:07 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 38 min |
| Jul 27, 4:30 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Jasper, Marion, Polk, Story and 1 more | 45 min |
| Jul 27, 4:31 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 44 min |
| Jul 27, 4:50 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Polk, Poweshiek | 40 min |
| Jul 27, 4:57 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Warren | 48 min |
| Jul 27, 5:13 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Jasper, Lucas, Mahaska, Marion, Monroe and 2 more | 47 min |
| Jul 27, 5:14 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Webster | 46 min |
| Jul 27, 5:17 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 13 min |
| Jul 27, 5:28 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 47 min |
| Jul 27, 5:48 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Jefferson, Johnson, Keokuk, Washington | 27 min |
| Jul 27, 5:52 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Lucas, Mahaska, Marion, Monroe and 1 more | 38 min |
| Jul 27, 5:55 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Decatur, Lucas, Wayne | 50 min |
| Jul 27, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 47 min |
| Jul 27, 6:24 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Lee, Van Buren | 66 min |
| Jul 27, 6:27 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 48 min |
| Jul 27, 7:06 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 54 min |
| Jul 27, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 47 min |
| Jul 27, 7:42 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 63 min |
| Jul 27, 7:47 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 10 min |
| Jul 27, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 33 min |
| Jul 27, 8:29 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Marion, Monroe, Wayne | 46 min |
| Jul 27, 9:14 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 31 min |
| Jul 27, 10:04 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Story, Webster | 41 min |
| Jul 27, 10:06 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Jasper, Polk, Story | 39 min |
| Jul 27, 10:37 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 38 min |
| Jul 27, 10:39 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 51 min |
| Jul 27, 10:56 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Monroe | 49 min |
| Jul 27, 11:05 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Webster | 40 min |
| Jul 27, 11:12 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Jasper, Polk, Story | 48 min |
| Jul 27, 11:15 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 45 min |
| Jul 27, 11:28 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Mahaska, Marion, Monroe, Warren | 47 min |
| Jul 27, 11:39 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 37 min |
| Jul 27, 11:45 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 30 min |
| Jul 27, 11:54 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Marion, Monroe | 36 min |
| Jul 28, 12:24 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 38 min |
| Jul 28, 12:26 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Wayne | 27 min |
| Jul 28, 1:06 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison | 39 min |
| Jul 28, 2:15 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union | 45 min |
| Jul 28, 3:03 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 23 min |
| Jul 28, 5:31 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford | 44 min |
| Jul 28, 6:03 AM CDT | Severe Thunderstorm Warning | DMX | Crawford, Sac | 42 min |
| Jul 28, 6:04 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 26 min |
| Jul 28, 6:11 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford | 49 min |
| Jul 28, 6:45 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 45 min |
| Jul 29, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 43 min |
| Jul 29, 3:46 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin, Story | 44 min |
| Jul 29, 4:22 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 53 min |
| Jul 29, 6:08 PM CDT | Severe Thunderstorm Warning | DVN | Jackson, Jones | 25 min |
| Jul 31, 11:55 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 65 min |
| Aug 3, 3:44 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Jones, Linn | 46 min |
| Aug 3, 5:54 AM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones, Linn | 51 min |
| Aug 3, 6:42 AM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones | 63 min |
| Aug 3, 7:31 AM CDT | Severe Thunderstorm Warning | DVN | Clinton | 44 min |
| Aug 4, 6:02 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth, Sioux, Woodbury | 43 min |
| Aug 4, 6:45 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Plymouth | 45 min |
| Aug 4, 7:21 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 39 min |
| Aug 4, 7:56 AM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Wright | 49 min |
| Aug 4, 8:33 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin | 42 min |
| Aug 4, 8:56 AM CDT | Severe Thunderstorm Warning | ARX | Floyd | 64 min |
| Aug 4, 9:36 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 54 min |
| Aug 4, 10:11 AM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 49 min |
| Aug 4, 11:00 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 34 min |
| Aug 4, 4:36 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones, Linn | 39 min |
| Aug 4, 4:59 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson, Jones | 61 min |
| Aug 4, 5:02 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 28 min |
| Aug 4, 5:14 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson, Jones | 61 min |
| Aug 4, 5:37 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 38 min |
| Aug 5, 12:07 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 53 min |
| Aug 5, 12:47 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Jasper, Madison, Marion, Polk, Warren | 43 min |
| Aug 5, 1:16 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 44 min |
| Aug 5, 1:38 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek | 52 min |
| Aug 5, 2:01 AM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Keokuk, Washington | 74 min |
| Aug 5, 2:30 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 31 min |
| Aug 5, 2:51 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Louisa, Muscatine, Washington | 69 min |
| Aug 5, 6:08 AM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 22 min |
| Aug 5, 6:20 AM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Keokuk, Louisa, Muscatine, Washington | 40 min |
| Aug 9, 3:42 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson, Jones | 36 min |
| Aug 9, 6:08 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 37 min |
| Aug 9, 6:28 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 37 min |
| Aug 13, 5:46 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 44 min |
| Aug 13, 6:12 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 48 min |
| Aug 13, 6:28 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 32 min |
| Aug 13, 6:29 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 25 min |
| Aug 13, 6:52 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, O'Brien | 38 min |
| Aug 13, 6:58 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 62 min |
| Aug 13, 7:26 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 49 min |
| Aug 13, 7:57 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 33 min |
| Aug 13, 8:00 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Humboldt, Pocahontas, Sac, Webster | 45 min |
| Aug 13, 8:46 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Calhoun, Carroll, Greene, Hamilton, Sac and 1 more | 44 min |
| Aug 13, 9:29 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene, Guthrie | 46 min |
| Aug 14, 5:51 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 24 min |
| Aug 14, 5:57 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin | 33 min |
| Aug 14, 6:32 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 21 min |
| Aug 14, 8:06 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin, Story | 39 min |
| Aug 27, 3:24 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 22 min |
| Aug 27, 4:17 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 43 min |
| Aug 27, 4:43 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 47 min |
| Aug 27, 10:51 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 54 min |
| Aug 27, 11:20 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 40 min |
| Aug 27, 11:54 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 36 min |
| Aug 27, 11:57 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 33 min |
| Aug 28, 12:10 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 50 min |
| Aug 28, 12:58 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 47 min |
| Aug 28, 1:11 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 34 min |
| Aug 28, 1:42 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 33 min |
| Sep 23, 3:23 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 37 min |
| Sep 23, 4:01 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 15 min |
| Sep 23, 4:30 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 45 min |
| Sep 23, 5:27 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass, Guthrie | 48 min |
| Sep 23, 5:31 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 44 min |
| Sep 23, 6:08 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 39 min |
| Sep 23, 6:25 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 50 min |
| Sep 23, 7:00 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene | 45 min |
| Sep 23, 7:03 PM CDT | Severe Thunderstorm Warning | OAX | Page | 27 min |
| Sep 23, 7:22 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 23 min |
| Sep 23, 8:46 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 29 min |
| Sep 23, 9:15 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 30 min |
| Sep 23, 9:41 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 49 min |
| Sep 23, 10:40 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 35 min |
| Sep 23, 10:59 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery | 31 min |
| Sep 25, 7:09 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 21 min |
| Sep 25, 7:29 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 31 min |
| Sep 25, 7:59 AM CDT | Severe Thunderstorm Warning | FSD | Osceola | 18 min |
| Sep 25, 8:01 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 44 min |
| Nov 5, 4:54 PM CST | Severe Thunderstorm Warning | OAX | Monona | 36 min |
| Nov 5, 5:14 PM CST | Severe Thunderstorm Warning | OAX | Harrison | 31 min |
| Nov 5, 6:11 PM CST | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 21 min |
| Nov 5, 7:12 PM CST | Severe Thunderstorm Warning | FSD | Dickinson, O'Brien, Osceola | 33 min |
| Dec 27, 3:08 AM CST | Severe Thunderstorm Warning | DMX | Lucas, Mahaska, Marion | 37 min |
| Dec 27, 4:04 AM CST | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 18 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Marion County55
- Polk County54
- Warren County50
- Mills County49
- Jasper County47
- Boone County46
- Jackson County46
- Linn County45
- Dallas County44
- Pottawattamie County43
- Dubuque County41
- Story County41
- Madison County41
- Delaware County40
- Jones County39
- Greene County38
- Clarke County37
- Mahaska County35
- Adair County35
- Webster County35
- Benton County34
- Johnson County34
- Harrison County34
- Fremont County34
- Monona County34
- Lucas County33
- Montgomery County33
- Clinton County33
- Hardin County32
- Guthrie County31
- Hamilton County31
- Tama County30
- Muscatine County29
- Union County29
- Woodbury County28
- Poweshiek County27
- Iowa County26
- Monroe County26
- Marshall County26
- Franklin County26
59 more counties
- Wright County26
- Page County26
- Shelby County25
- Buchanan County25
- Scott County25
- Plymouth County25
- Cass County24
- Carroll County24
- Grundy County24
- Cedar County24
- Calhoun County24
- Adams County23
- Lyon County23
- Washington County22
- Appanoose County21
- Wapello County21
- Henry County21
- Black Hawk County21
- Louisa County20
- Wayne County20
- Decatur County19
- Humboldt County19
- Butler County19
- Lee County18
- Audubon County18
- Kossuth County18
- Keokuk County17
- Taylor County16
- Des Moines County16
- Cerro Gordo County16
- Cherokee County16
- Buena Vista County16
- Jefferson County16
- Sioux County15
- Sac County15
- Pocahontas County15
- Crawford County15
- Floyd County14
- Ringgold County13
- O'Brien County13
- Davis County12
- Bremer County12
- Ida County12
- Mitchell County12
- Fayette County11
- Van Buren County11
- Osceola County11
- Hancock County11
- Clay County10
- Palo Alto County10
- Clayton County9
- Howard County9
- Winneshiek County8
- Worth County7
- Chickasaw County7
- Winnebago County7
- Dickinson County6
- Emmet County5
- Allamakee County4
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20072009
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.