Alert archive / Illinois / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Illinois, 1999
433 severe thunderstorm warnings in 1999. 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 1999. Tap one for its archive.
- Severe Thunderstorm Warnings
- 433
- Busiest month
- June125 severe thunderstorm warnings
- Busiest day
- May 17, 199940 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 17, 5:59 PM CST | Severe Thunderstorm Warning | PAH | Pulaski, Union | 31 min |
| Jan 17, 6:05 PM CST | Severe Thunderstorm Warning | PAH | Massac | 55 min |
| Jan 17, 6:13 PM CST | Severe Thunderstorm Warning | PAH | Pope | 57 min |
| Jan 17, 6:13 PM CST | Severe Thunderstorm Warning | PAH | Johnson | 57 min |
| Jan 17, 6:35 PM CST | Severe Thunderstorm Warning | PAH | Hardin, Saline | 55 min |
| Jan 21, 2:54 PM CST | Severe Thunderstorm Warning | LSX | Washington | 46 min |
| Jan 21, 3:15 PM CST | Severe Thunderstorm Warning | LSX | Marion | 50 min |
| Jan 21, 3:15 PM CST | Severe Thunderstorm Warning | PAH | Jefferson | 30 min |
| Jan 21, 4:32 PM CST | Severe Thunderstorm Warning | ILX | Clay | 28 min |
| Jan 21, 4:45 PM CST | Severe Thunderstorm Warning | ILX | Schuyler | 15 min |
| Jan 21, 5:13 PM CST | Severe Thunderstorm Warning | PAH | Alexander, Union | 47 min |
| Jan 21, 5:26 PM CST | Severe Thunderstorm Warning | ILX | Jasper | 19 min |
| Jan 21, 5:57 PM CST | Severe Thunderstorm Warning | ILX | Champaign | 18 min |
| Jan 21, 6:53 PM CST | Severe Thunderstorm Warning | LSX | Marion | 47 min |
| Jan 21, 7:47 PM CST | Severe Thunderstorm Warning | ILX | Cumberland | 13 min |
| Jan 21, 10:07 PM CST | Severe Thunderstorm Warning | PAH | Franklin | 33 min |
| Jan 22, 12:05 AM CST | Severe Thunderstorm Warning | PAH | Johnson, Williamson | 55 min |
| Jan 22, 12:15 AM CST | Severe Thunderstorm Warning | PAH | Massac | 45 min |
| Jan 22, 12:32 AM CST | Severe Thunderstorm Warning | PAH | Union | 28 min |
| Jan 22, 12:53 AM CST | Severe Thunderstorm Warning | PAH | Massac | 37 min |
| Jan 22, 1:06 AM CST | Severe Thunderstorm Warning | PAH | Johnson, Pope | 39 min |
| Jan 22, 1:30 AM CST | Severe Thunderstorm Warning | PAH | Gallatin, Hardin, Saline | 30 min |
| Jan 22, 1:45 AM CST | Severe Thunderstorm Warning | PAH | White | 45 min |
| Jan 22, 1:49 AM CST | Severe Thunderstorm Warning | PAH | Pope | 41 min |
| Feb 11, 12:22 PM CST | Severe Thunderstorm Warning | LSX | Adams | 48 min |
| Feb 11, 12:27 PM CST | Severe Thunderstorm Warning | DVN | Hancock | 48 min |
| Feb 11, 12:47 PM CST | Severe Thunderstorm Warning | ILX | Schuyler | 43 min |
| Feb 11, 1:27 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Knox | 33 min |
| Feb 11, 1:45 PM CST | Severe Thunderstorm Warning | DVN | Stephenson | 35 min |
| Feb 11, 1:48 PM CST | Severe Thunderstorm Warning | LOT | Lee, Ogle | 42 min |
| Feb 11, 2:00 PM CST | Severe Thunderstorm Warning | ILX | Peoria, Stark | 45 min |
| Feb 11, 2:36 PM CST | Severe Thunderstorm Warning | LOT | Boone, DeKalb, McHenry | 39 min |
| Feb 11, 2:40 PM CST | Severe Thunderstorm Warning | ILX | Cass | 35 min |
| Feb 11, 2:47 PM CST | Severe Thunderstorm Warning | LSX | Madison | 48 min |
| Feb 11, 3:34 PM CST | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Will | 26 min |
| Feb 11, 4:24 PM CST | Severe Thunderstorm Warning | LSX | Fayette | 51 min |
| Feb 11, 4:37 PM CST | Severe Thunderstorm Warning | LSX | Marion | 48 min |
| Feb 11, 4:51 PM CST | Severe Thunderstorm Warning | ILX | Champaign | 39 min |
| Feb 11, 5:05 PM CST | Severe Thunderstorm Warning | PAH | Franklin | 25 min |
| Feb 11, 5:10 PM CST | Severe Thunderstorm Warning | PAH | Alexander | 35 min |
| Feb 11, 5:13 PM CST | Severe Thunderstorm Warning | PAH | Pulaski | 32 min |
| Feb 11, 5:16 PM CST | Severe Thunderstorm Warning | PAH | Union | 29 min |
| Feb 11, 5:17 PM CST | Severe Thunderstorm Warning | ILX | Clay | 28 min |
| Feb 11, 5:18 PM CST | Severe Thunderstorm Warning | PAH | Johnson, Williamson | 42 min |
| Feb 11, 5:27 PM CST | Severe Thunderstorm Warning | ILX | Clark, Edgar | 33 min |
| Feb 27, 11:34 AM CST | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 66 min |
| Feb 27, 12:11 PM CST | Severe Thunderstorm Warning | LSX | Monroe | 34 min |
| Feb 27, 12:45 PM CST | Severe Thunderstorm Warning | ILX | Coles | 30 min |
| Feb 27, 12:45 PM CST | Severe Thunderstorm Warning | LSX | Fayette | 50 min |
| Feb 27, 12:49 PM CST | Severe Thunderstorm Warning | LSX | Saint Clair | 46 min |
| Feb 27, 1:05 PM CST | Severe Thunderstorm Warning | LSX | Monroe | 50 min |
| Feb 27, 1:07 PM CST | Severe Thunderstorm Warning | LSX | Clinton | 48 min |
| Feb 27, 1:08 PM CST | Severe Thunderstorm Warning | ILX | Effingham | 52 min |
| Feb 27, 1:14 PM CST | Severe Thunderstorm Warning | ILX | Edgar | 46 min |
| Feb 27, 1:26 PM CST | Severe Thunderstorm Warning | ILX | Cumberland | 49 min |
| Feb 27, 1:26 PM CST | Severe Thunderstorm Warning | LSX | Randolph | 49 min |
| Feb 27, 1:37 PM CST | Severe Thunderstorm Warning | LSX | Marion | 48 min |
| Feb 27, 1:45 PM CST | Severe Thunderstorm Warning | ILX | Vermilion | 45 min |
| Feb 27, 1:56 PM CST | Severe Thunderstorm Warning | ILX | Effingham | 49 min |
| Feb 27, 2:01 PM CST | Severe Thunderstorm Warning | ILX | Clark | 59 min |
| Feb 27, 2:05 PM CST | Severe Thunderstorm Warning | PAH | Jackson | 40 min |
| Feb 27, 2:12 PM CST | Severe Thunderstorm Warning | ILX | Clay | 48 min |
| Feb 27, 2:17 PM CST | Severe Thunderstorm Warning | PAH | Franklin | 43 min |
| Feb 27, 2:40 PM CST | Severe Thunderstorm Warning | PAH | Hamilton | 35 min |
| Feb 27, 2:47 PM CST | Severe Thunderstorm Warning | ILX | Richland | 58 min |
| Feb 27, 2:49 PM CST | Severe Thunderstorm Warning | ILX | Jasper | 56 min |
| Feb 27, 2:50 PM CST | Severe Thunderstorm Warning | PAH | Johnson, Union | 40 min |
| Apr 3, 6:55 AM CST | Severe Thunderstorm Warning | ILX | Macon | 35 min |
| Apr 3, 1:37 PM CST | Severe Thunderstorm Warning | PAH | Alexander | 38 min |
| Apr 3, 2:13 PM CST | Severe Thunderstorm Warning | PAH | Johnson, Pulaski | 47 min |
| Apr 3, 2:57 PM CST | Severe Thunderstorm Warning | PAH | Pope | 33 min |
| Apr 5, 5:08 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 32 min |
| Apr 5, 5:18 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 27 min |
| Apr 5, 5:26 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union | 34 min |
| Apr 5, 6:15 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 45 min |
| Apr 5, 6:28 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 47 min |
| Apr 5, 6:45 PM CDT | Severe Thunderstorm Warning | PAH | Hardin | 45 min |
| Apr 5, 7:23 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 37 min |
| Apr 5, 7:27 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Moultrie | 33 min |
| Apr 5, 7:36 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 39 min |
| Apr 8, 8:42 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 48 min |
| Apr 8, 8:56 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 64 min |
| Apr 8, 9:17 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 58 min |
| Apr 8, 9:29 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 31 min |
| Apr 8, 9:38 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 37 min |
| Apr 8, 9:41 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 34 min |
| Apr 8, 9:47 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 58 min |
| Apr 8, 10:17 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Montgomery | 43 min |
| Apr 8, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 50 min |
| Apr 8, 10:28 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 47 min |
| Apr 8, 10:32 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Piatt | 28 min |
| Apr 8, 10:56 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas | 34 min |
| Apr 8, 11:20 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 25 min |
| Apr 8, 11:33 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham, Jasper | 42 min |
| Apr 8, 11:48 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 27 min |
| Apr 9, 12:00 AM CDT | Severe Thunderstorm Warning | ILX | Crawford | 30 min |
| Apr 9, 12:26 AM CDT | Severe Thunderstorm Warning | ILX | Crawford | 19 min |
| Apr 10, 2:48 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 32 min |
| Apr 10, 3:09 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 31 min |
| Apr 10, 3:35 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 30 min |
| Apr 10, 4:30 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 30 min |
| Apr 10, 4:52 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 38 min |
| Apr 10, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Apr 10, 7:54 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 46 min |
| Apr 10, 8:21 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 49 min |
| Apr 10, 8:48 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Piatt | 42 min |
| Apr 10, 9:17 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 43 min |
| Apr 10, 9:31 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 29 min |
| Apr 10, 9:37 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 38 min |
| Apr 10, 9:51 PM CDT | Severe Thunderstorm Warning | ILX | Douglas, Moultrie | 39 min |
| Apr 10, 10:01 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 44 min |
| Apr 10, 10:42 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 33 min |
| Apr 10, 10:57 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 48 min |
| Apr 20, 11:56 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 49 min |
| Apr 21, 12:40 AM CDT | Severe Thunderstorm Warning | LSX | Brown | 35 min |
| Apr 21, 1:18 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 42 min |
| Apr 21, 1:30 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas | 45 min |
| Apr 21, 1:38 AM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 37 min |
| Apr 21, 5:54 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle | 31 min |
| Apr 21, 7:04 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 26 min |
| Apr 21, 8:39 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 36 min |
| Apr 21, 9:24 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 36 min |
| Apr 21, 11:28 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Ogle | 47 min |
| Apr 22, 4:25 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 50 min |
| Apr 22, 4:48 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 47 min |
| Apr 22, 6:42 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin, Saline | 33 min |
| Apr 22, 6:50 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 40 min |
| Apr 22, 7:12 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kendall, LaSalle | 33 min |
| Apr 22, 7:45 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kendall, LaSalle | 30 min |
| Apr 27, 6:08 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 17 min |
| Apr 27, 6:28 PM CDT | Severe Thunderstorm Warning | PAH | Edwards | 32 min |
| May 5, 1:40 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 35 min |
| May 5, 2:03 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 47 min |
| May 5, 2:14 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 16 min |
| May 5, 2:16 PM CDT | Severe Thunderstorm Warning | ILX | Clay | 44 min |
| May 5, 2:25 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Williamson | 35 min |
| May 5, 2:30 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 15 min |
| May 5, 2:35 PM CDT | Severe Thunderstorm Warning | ILX | Richland | 40 min |
| May 5, 3:02 PM CDT | Severe Thunderstorm Warning | PAH | Saline | 43 min |
| May 5, 3:11 PM CDT | Severe Thunderstorm Warning | ILX | Jasper, Richland | 49 min |
| May 5, 3:28 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 62 min |
| May 5, 5:24 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 36 min |
| May 5, 5:36 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 49 min |
| May 5, 5:41 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Richland | 49 min |
| May 5, 6:16 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 34 min |
| May 5, 6:18 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 57 min |
| May 5, 6:23 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 47 min |
| May 5, 6:25 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Jasper | 65 min |
| May 5, 7:14 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 61 min |
| May 5, 7:16 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 74 min |
| May 5, 7:47 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 58 min |
| May 5, 8:08 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 52 min |
| May 5, 8:18 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 42 min |
| May 5, 8:34 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 56 min |
| May 5, 8:39 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 51 min |
| May 5, 9:01 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean | 59 min |
| May 5, 9:22 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle | 58 min |
| May 12, 2:24 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan | 36 min |
| May 12, 3:00 PM CDT | Severe Thunderstorm Warning | ILX | Cass | 30 min |
| May 12, 3:12 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 48 min |
| May 12, 3:23 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 52 min |
| May 12, 3:54 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 31 min |
| May 12, 4:50 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 40 min |
| May 12, 6:04 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 31 min |
| May 12, 6:06 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 34 min |
| May 16, 4:59 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 61 min |
| May 16, 5:58 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 47 min |
| May 16, 6:28 PM CDT | Severe Thunderstorm Warning | LOT | Boone | 32 min |
| May 16, 6:42 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 33 min |
| May 16, 7:58 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 32 min |
| May 16, 8:02 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 43 min |
| May 16, 8:51 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 49 min |
| May 16, 11:28 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 47 min |
| May 16, 11:37 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 48 min |
| May 16, 11:59 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 61 min |
| May 17, 12:11 AM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 64 min |
| May 17, 12:34 AM CDT | Severe Thunderstorm Warning | ILX | Stark | 41 min |
| May 17, 12:45 AM CDT | Severe Thunderstorm Warning | ILX | Peoria | 45 min |
| May 17, 1:06 AM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 39 min |
| May 17, 1:15 AM CDT | Severe Thunderstorm Warning | ILX | Woodford | 45 min |
| May 17, 1:29 AM CDT | Severe Thunderstorm Warning | ILX | Scott | 31 min |
| May 17, 1:40 AM CDT | Severe Thunderstorm Warning | ILX | Morgan | 50 min |
| May 17, 1:52 AM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake | 53 min |
| May 17, 1:56 AM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 34 min |
| May 17, 2:12 AM CDT | Severe Thunderstorm Warning | ILX | Cass | 48 min |
| May 17, 2:43 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 47 min |
| May 17, 7:43 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 47 min |
| May 17, 9:46 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 29 min |
| May 17, 10:43 AM CDT | Severe Thunderstorm Warning | LOT | Will | 32 min |
| May 17, 2:25 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 35 min |
| May 17, 2:47 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 58 min |
| May 17, 3:02 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 48 min |
| May 17, 3:09 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Union | 51 min |
| May 17, 3:14 PM CDT | Severe Thunderstorm Warning | PAH | Pulaski | 61 min |
| May 17, 3:27 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Williamson | 63 min |
| May 17, 3:27 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 63 min |
| May 17, 3:32 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 58 min |
| May 17, 3:32 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 58 min |
| May 17, 3:39 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 46 min |
| May 17, 3:52 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 48 min |
| May 17, 3:56 PM CDT | Severe Thunderstorm Warning | PAH | Pope, Saline | 64 min |
| May 17, 4:13 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin | 47 min |
| May 17, 4:24 PM CDT | Severe Thunderstorm Warning | PAH | White | 51 min |
| May 17, 4:25 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham | 65 min |
| May 17, 4:30 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 45 min |
| May 17, 4:41 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash | 49 min |
| May 17, 4:59 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Jasper, Richland | 31 min |
| May 17, 5:06 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 39 min |
| May 17, 5:25 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford | 35 min |
| Jun 1, 3:57 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 48 min |
| Jun 1, 4:04 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 46 min |
| Jun 1, 4:14 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 31 min |
| Jun 1, 4:19 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Lee | 31 min |
| Jun 1, 5:46 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 49 min |
| Jun 1, 6:03 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 47 min |
| Jun 1, 6:08 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 62 min |
| Jun 1, 6:10 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 50 min |
| Jun 1, 6:18 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 42 min |
| Jun 1, 6:31 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle, Winnebago | 59 min |
| Jun 1, 6:31 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 49 min |
| Jun 1, 6:47 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 33 min |
| Jun 1, 7:09 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 51 min |
| Jun 1, 7:09 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb | 51 min |
| Jun 1, 7:36 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kane, Kendall | 39 min |
| Jun 1, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| Jun 1, 8:03 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Jun 1, 8:05 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 35 min |
| Jun 1, 8:08 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Menard | 37 min |
| Jun 1, 8:49 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 51 min |
| Jun 1, 9:28 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 32 min |
| Jun 1, 9:30 PM CDT | Severe Thunderstorm Warning | ILX | Jasper | 75 min |
| Jun 1, 10:27 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 33 min |
| Jun 2, 1:04 AM CDT | Severe Thunderstorm Warning | PAH | White | 31 min |
| Jun 2, 1:43 AM CDT | Severe Thunderstorm Warning | PAH | Johnson | 32 min |
| Jun 2, 2:04 AM CDT | Severe Thunderstorm Warning | PAH | Pope | 26 min |
| Jun 4, 2:11 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 64 min |
| Jun 4, 2:45 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 50 min |
| Jun 4, 2:53 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 67 min |
| Jun 4, 3:12 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, McDonough, Warren | 48 min |
| Jun 4, 3:26 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 49 min |
| Jun 4, 3:27 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Peoria | 63 min |
| Jun 4, 3:30 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 65 min |
| Jun 4, 4:10 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 50 min |
| Jun 4, 4:30 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 65 min |
| Jun 4, 5:00 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 45 min |
| Jun 4, 5:09 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 61 min |
| Jun 4, 5:37 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 63 min |
| Jun 4, 5:50 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 30 min |
| Jun 4, 5:50 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 30 min |
| Jun 4, 6:27 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 33 min |
| Jun 4, 6:28 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette | 62 min |
| Jun 4, 6:28 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 62 min |
| Jun 4, 6:40 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 35 min |
| Jun 4, 6:45 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 60 min |
| Jun 4, 6:52 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair | 63 min |
| Jun 4, 6:52 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 63 min |
| Jun 6, 1:36 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 34 min |
| Jun 6, 2:26 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 49 min |
| Jun 6, 2:30 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 50 min |
| Jun 6, 2:30 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 50 min |
| Jun 6, 2:46 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Warren | 34 min |
| Jun 6, 3:22 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 48 min |
| Jun 6, 3:39 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 46 min |
| Jun 6, 3:56 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 49 min |
| Jun 6, 4:01 PM CDT | Severe Thunderstorm Warning | PAH | Pulaski | 59 min |
| Jun 6, 4:51 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 34 min |
| Jun 6, 6:26 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin | 49 min |
| Jun 6, 6:41 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 59 min |
| Jun 6, 6:49 PM CDT | Severe Thunderstorm Warning | PAH | White | 61 min |
| Jun 6, 6:55 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 20 min |
| Jun 6, 7:14 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 46 min |
| Jun 6, 7:44 PM CDT | Severe Thunderstorm Warning | LOT | Will | 31 min |
| Jun 8, 1:36 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 34 min |
| Jun 8, 1:39 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 66 min |
| Jun 8, 1:45 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 35 min |
| Jun 8, 1:51 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 64 min |
| Jun 8, 3:24 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 36 min |
| Jun 8, 3:46 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 64 min |
| Jun 8, 4:03 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 62 min |
| Jun 8, 4:19 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 41 min |
| Jun 8, 4:33 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 42 min |
| Jun 8, 4:52 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 38 min |
| Jun 8, 5:04 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 41 min |
| Jun 8, 5:26 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 64 min |
| Jun 8, 5:42 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 33 min |
| Jun 8, 5:48 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 62 min |
| Jun 9, 1:37 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 53 min |
| Jun 9, 2:45 PM CDT | Severe Thunderstorm Warning | LOT | Will | 45 min |
| Jun 9, 2:51 PM CDT | Severe Thunderstorm Warning | LOT | Grundy | 39 min |
| Jun 9, 3:15 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 60 min |
| Jun 9, 5:40 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 20 min |
| Jun 10, 3:20 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 35 min |
| Jun 10, 4:03 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 57 min |
| Jun 10, 4:08 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 52 min |
| Jun 10, 4:20 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 30 min |
| Jun 10, 4:21 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell | 39 min |
| Jun 10, 5:46 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 44 min |
| Jun 10, 6:35 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 40 min |
| Jun 11, 11:27 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 48 min |
| Jun 11, 12:18 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 47 min |
| Jun 11, 12:54 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 36 min |
| Jun 11, 1:06 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 39 min |
| Jun 11, 1:16 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 49 min |
| Jun 11, 1:18 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 57 min |
| Jun 11, 1:25 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 65 min |
| Jun 11, 1:30 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 45 min |
| Jun 11, 1:34 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 51 min |
| Jun 11, 1:55 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 65 min |
| Jun 11, 2:00 PM CDT | Severe Thunderstorm Warning | ILX | Cass | 60 min |
| Jun 11, 2:20 PM CDT | Severe Thunderstorm Warning | ILX | Mason, Schuyler | 55 min |
| Jun 11, 2:34 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 71 min |
| Jun 11, 2:35 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 50 min |
| Jun 11, 2:40 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 50 min |
| Jun 11, 2:43 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 62 min |
| Jun 11, 2:54 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 36 min |
| Jun 11, 3:05 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 40 min |
| Jun 11, 3:19 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 41 min |
| Jun 11, 3:26 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 49 min |
| Jun 11, 3:31 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 44 min |
| Jun 11, 3:56 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 49 min |
| Jun 11, 4:06 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 24 min |
| Jun 11, 4:11 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 34 min |
| Jun 11, 4:17 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 28 min |
| Jun 11, 4:30 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 30 min |
| Jun 11, 4:43 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 62 min |
| Jun 11, 4:45 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 50 min |
| Jun 11, 4:49 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 41 min |
| Jun 11, 5:22 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 48 min |
| Jun 11, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| Jun 11, 5:24 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 36 min |
| Jun 11, 5:43 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 47 min |
| Jun 11, 5:45 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 50 min |
| Jun 12, 4:21 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 41 min |
| Jun 27, 6:12 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 33 min |
| Jul 9, 3:42 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 33 min |
| Jul 9, 4:24 PM CDT | Severe Thunderstorm Warning | ILX | Effingham, Shelby | 51 min |
| Jul 9, 5:18 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 42 min |
| Jul 9, 6:56 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 54 min |
| Jul 9, 7:51 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 49 min |
| Jul 9, 8:46 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 44 min |
| Jul 20, 6:12 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 33 min |
| Jul 21, 6:25 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 50 min |
| Jul 23, 4:00 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 45 min |
| Jul 23, 5:06 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 49 min |
| Jul 23, 5:08 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 52 min |
| Jul 23, 5:26 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 49 min |
| Jul 23, 5:33 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 37 min |
| Jul 23, 6:55 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 50 min |
| Jul 23, 7:26 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria | 34 min |
| Jul 23, 7:32 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 48 min |
| Jul 23, 7:36 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 39 min |
| Jul 23, 7:52 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Whiteside | 48 min |
| Jul 23, 11:33 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham | 42 min |
| Jul 26, 8:31 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 44 min |
| Jul 26, 8:59 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 31 min |
| Jul 26, 9:06 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 39 min |
| Jul 26, 9:46 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Schuyler | 59 min |
| Jul 27, 11:55 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 45 min |
| Jul 28, 12:37 AM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 53 min |
| Jul 28, 1:12 AM CDT | Severe Thunderstorm Warning | ILX | Peoria | 48 min |
| Jul 28, 1:31 AM CDT | Severe Thunderstorm Warning | ILX | Marshall, Stark | 59 min |
| Jul 28, 2:00 AM CDT | Severe Thunderstorm Warning | ILX | Peoria | 30 min |
| Jul 28, 2:01 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Tazewell | 59 min |
| Jul 28, 2:42 AM CDT | Severe Thunderstorm Warning | ILX | Logan | 48 min |
| Jul 28, 2:46 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 59 min |
| Jul 28, 3:11 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 49 min |
| Jul 28, 4:50 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 50 min |
| Jul 28, 5:55 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Schuyler | 50 min |
| Jul 28, 6:41 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 49 min |
| Jul 28, 11:54 AM CDT | Severe Thunderstorm Warning | LSX | Randolph | 36 min |
| Aug 12, 6:15 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 50 min |
| Aug 12, 6:30 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 45 min |
| Aug 12, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 53 min |
| Aug 12, 7:17 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 43 min |
| Aug 12, 7:19 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 26 min |
| Aug 12, 7:20 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason | 70 min |
| Aug 12, 7:25 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 65 min |
| Aug 12, 7:38 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 52 min |
| Aug 12, 7:46 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 44 min |
| Aug 12, 7:52 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 53 min |
| Aug 12, 8:09 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 51 min |
| Aug 12, 8:16 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 59 min |
| Aug 12, 8:24 PM CDT | Severe Thunderstorm Warning | ILX | Cass | 66 min |
| Aug 12, 8:31 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean | 59 min |
| Aug 12, 8:41 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 64 min |
| Aug 12, 8:55 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 65 min |
| Aug 12, 9:03 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 42 min |
| Aug 12, 9:16 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 59 min |
| Aug 12, 9:35 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 40 min |
| Aug 12, 10:02 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 33 min |
| Aug 12, 10:15 PM CDT | Severe Thunderstorm Warning | ILX | Douglas, Vermilion | 60 min |
| Aug 12, 10:15 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie | 60 min |
| Aug 12, 10:17 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 33 min |
| Aug 12, 10:22 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 63 min |
| Aug 12, 10:34 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Shelby | 61 min |
| Aug 12, 10:34 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 61 min |
| Aug 12, 10:51 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 49 min |
| Aug 12, 11:00 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 50 min |
| Aug 12, 11:10 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Cumberland | 60 min |
| Aug 13, 12:19 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 46 min |
| Aug 13, 12:21 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 49 min |
| Aug 18, 9:26 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 34 min |
| Aug 18, 10:01 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 44 min |
| Aug 18, 10:42 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Schuyler | 48 min |
| Aug 18, 11:13 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 47 min |
| Aug 18, 11:25 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan | 50 min |
| Aug 18, 11:46 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 44 min |
| Aug 18, 11:50 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 40 min |
| Aug 19, 12:14 AM CDT | Severe Thunderstorm Warning | ILX | Morgan | 46 min |
| Aug 19, 12:28 AM CDT | Severe Thunderstorm Warning | ILX | Scott | 32 min |
| Aug 19, 12:35 AM CDT | Severe Thunderstorm Warning | LSX | Greene | 40 min |
| Aug 19, 12:54 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 66 min |
| Aug 23, 3:49 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 46 min |
| Aug 23, 4:47 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 48 min |
| Aug 23, 5:06 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 49 min |
| Aug 23, 5:12 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 48 min |
| Aug 23, 5:49 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Peoria | 41 min |
| Aug 23, 6:18 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 42 min |
| Aug 23, 6:35 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 40 min |
| Aug 23, 6:45 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 45 min |
| Aug 23, 6:48 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 47 min |
| Aug 23, 6:57 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 33 min |
| Aug 23, 6:59 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard | 46 min |
| Aug 23, 7:17 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 48 min |
| Aug 23, 7:25 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Sangamon | 65 min |
| Aug 23, 7:36 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 69 min |
| Aug 23, 7:41 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 49 min |
| Aug 23, 7:53 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 37 min |
| Aug 23, 8:02 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 48 min |
| Aug 23, 8:21 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 49 min |
| Aug 23, 8:27 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 78 min |
| Aug 23, 8:27 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie | 78 min |
| Aug 23, 8:27 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 48 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fulton County15
- McLean County12
- Schuyler County11
- Madison County11
- Peoria County10
- Cass County10
- Fayette County10
- Rock Island County10
- Johnson County9
- DeKalb County9
- Saint Clair County9
- Macon County9
- Sangamon County9
- LaSalle County9
- Marion County8
- Clay County8
- Knox County8
- Tazewell County8
- Logan County8
- Shelby County8
- Bureau County8
- Morgan County8
- Henry County8
- Mercer County8
- Jersey County8
- Union County7
- Pope County7
- Jasper County7
- Champaign County7
- Hancock County7
- Will County7
- Vermilion County7
- Christian County7
- Montgomery County7
- Crawford County7
- Calhoun County7
- Pike County7
- Brown County7
- Mason County7
- Adams County6
62 more counties
- Stark County6
- Boone County6
- Grundy County6
- Effingham County6
- Richland County6
- Woodford County6
- Cook County6
- DeWitt County6
- Kane County6
- Carroll County6
- Scott County6
- Pulaski County5
- Massac County5
- Hardin County5
- Saline County5
- Washington County5
- Alexander County5
- Franklin County5
- Ogle County5
- McHenry County5
- Coles County5
- Moultrie County5
- Piatt County5
- Kendall County5
- Iroquois County5
- Whiteside County5
- Menard County5
- Cumberland County4
- Williamson County4
- Gallatin County4
- White County4
- Lee County4
- Clark County4
- Monroe County4
- Clinton County4
- Marshall County4
- Douglas County4
- Wayne County4
- Jo Daviess County4
- Livingston County4
- Henderson County4
- Warren County4
- Macoupin County4
- Jefferson County3
- Kankakee County3
- Edgar County3
- Randolph County3
- Jackson County3
- Lake County3
- McDonough County3
- Greene County3
- Bond County2
- Putnam County2
- DuPage County2
- Edwards County2
- Winnebago County2
- Lawrence County2
- Stephenson County1
- Hamilton County1
- Perry County1
- Wabash County1
- Ford County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.