Alert archive / Illinois / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Illinois, 2002
330 severe thunderstorm warnings in 2002. 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 2002. Tap one for its archive.
- Severe Thunderstorm Warnings
- 330
- Busiest month
- April92 severe thunderstorm warnings
- Busiest day
- June 4, 200221 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 23, 9:05 PM CST | Severe Thunderstorm Warning | PAH | Pope | 35 min |
| Jan 23, 10:46 PM CST | Severe Thunderstorm Warning | PAH | Alexander, Pulaski | 29 min |
| Mar 9, 1:31 AM CST | Severe Thunderstorm Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 285 days |
| Mar 9, 2:35 AM CST | Severe Thunderstorm Warning | DVN | Hancock, Henderson | 40 min |
| Mar 9, 2:50 AM CST | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 40 min |
| Mar 9, 2:55 AM CST | Severe Thunderstorm Warning | DVN | McDonough, Warren | 50 min |
| Mar 9, 3:05 AM CST | Severe Thunderstorm Warning | ILX | Knox | 40 min |
| Mar 9, 3:21 AM CST | Severe Thunderstorm Warning | DVN | Henry | 39 min |
| Mar 9, 3:41 AM CST | Severe Thunderstorm Warning | DVN | Whiteside | 34 min |
| Mar 9, 4:58 AM CST | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle | 32 min |
| Mar 15, 8:35 PM CST | Severe Thunderstorm Warning | PAH | Johnson | 40 min |
| Mar 15, 8:51 PM CST | Severe Thunderstorm Warning | PAH | Pope | 29 min |
| Mar 29, 11:04 AM CST | Severe Thunderstorm Warning | PAH | Jefferson | 41 min |
| Mar 29, 11:28 AM CST | Severe Thunderstorm Warning | PAH | Wayne | 47 min |
| Mar 29, 11:47 AM CST | Severe Thunderstorm Warning | PAH | Hamilton, White | 43 min |
| Mar 29, 12:11 PM CST | Severe Thunderstorm Warning | PAH | Edwards, Wabash | 49 min |
| Mar 29, 3:12 PM CST | Severe Thunderstorm Warning | PAH | Massac, Pulaski | 48 min |
| Apr 2, 7:41 AM CST | Severe Thunderstorm Warning | ILX | Woodford | 34 min |
| Apr 12, 2:01 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 44 min |
| Apr 12, 2:05 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 40 min |
| Apr 12, 2:30 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 45 min |
| Apr 12, 3:09 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Shelby | 51 min |
| Apr 12, 3:17 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 28 min |
| Apr 12, 3:37 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 53 min |
| Apr 12, 3:47 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland, Effingham | 43 min |
| Apr 12, 4:06 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 54 min |
| Apr 12, 4:31 PM CDT | Severe Thunderstorm Warning | ILX | Edgar, Vermilion | 59 min |
| Apr 12, 4:45 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 45 min |
| Apr 12, 5:13 PM CDT | Severe Thunderstorm Warning | ILX | Clay | 47 min |
| Apr 12, 5:25 PM CDT | Severe Thunderstorm Warning | ILX | Richland | 50 min |
| Apr 12, 5:47 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 28 min |
| Apr 12, 6:04 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 41 min |
| Apr 18, 3:12 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 48 min |
| Apr 18, 4:14 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 46 min |
| Apr 18, 5:28 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 47 min |
| Apr 18, 5:47 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 43 min |
| Apr 18, 6:07 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 38 min |
| Apr 18, 6:09 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 51 min |
| Apr 18, 6:21 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 39 min |
| Apr 18, 6:49 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 36 min |
| Apr 18, 7:09 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 36 min |
| Apr 18, 9:16 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 44 min |
| Apr 18, 9:59 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess, Stephenson | 51 min |
| Apr 19, 10:26 AM CDT | Severe Thunderstorm Warning | PAH | Pulaski | 34 min |
| Apr 19, 5:22 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 38 min |
| Apr 19, 5:40 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 65 min |
| Apr 19, 5:43 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 62 min |
| Apr 19, 6:22 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 53 min |
| Apr 19, 6:38 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 52 min |
| Apr 19, 7:03 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas | 42 min |
| Apr 19, 7:25 PM CDT | Severe Thunderstorm Warning | ILX | Cass | 50 min |
| Apr 19, 7:25 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 65 min |
| Apr 19, 7:29 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 46 min |
| Apr 19, 7:54 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 66 min |
| Apr 19, 8:05 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas | 55 min |
| Apr 19, 8:43 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 62 min |
| Apr 19, 8:53 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Macon, Sangamon | 52 min |
| Apr 20, 3:45 PM CDT | Severe Thunderstorm Warning | PAH | Hardin, Pope | 45 min |
| Apr 21, 2:22 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 38 min |
| Apr 21, 2:27 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 33 min |
| Apr 21, 2:53 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 52 min |
| Apr 21, 3:24 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 51 min |
| Apr 21, 3:28 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 32 min |
| Apr 21, 3:36 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 14 min |
| Apr 21, 3:58 PM CDT | Severe Thunderstorm Warning | ILX | Clay | 32 min |
| Apr 21, 4:07 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 23 min |
| Apr 21, 4:26 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 34 min |
| Apr 21, 4:47 PM CDT | Severe Thunderstorm Warning | PAH | Hamilton, Saline | 28 min |
| Apr 21, 4:50 PM CDT | Severe Thunderstorm Warning | PAH | Union | 40 min |
| Apr 21, 5:07 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, White | 23 min |
| Apr 24, 12:40 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 50 min |
| Apr 24, 12:56 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 64 min |
| Apr 24, 1:24 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 51 min |
| Apr 24, 1:26 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 64 min |
| Apr 24, 2:13 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 47 min |
| Apr 24, 2:19 PM CDT | Severe Thunderstorm Warning | ILX | Cass | 41 min |
| Apr 24, 2:51 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 39 min |
| Apr 24, 2:55 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 50 min |
| Apr 24, 3:13 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Tazewell | 62 min |
| Apr 24, 3:14 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 61 min |
| Apr 24, 3:21 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 24 min |
| Apr 24, 3:31 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 44 min |
| Apr 24, 3:32 PM CDT | Severe Thunderstorm Warning | ILX | Clay | 43 min |
| Apr 24, 3:43 PM CDT | Severe Thunderstorm Warning | PAH | Hamilton | 32 min |
| Apr 24, 3:44 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland, Jasper | 46 min |
| Apr 24, 4:05 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford | 40 min |
| Apr 24, 4:11 PM CDT | Severe Thunderstorm Warning | PAH | Hamilton, White | 34 min |
| Apr 24, 4:33 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin | 27 min |
| Apr 24, 5:24 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 51 min |
| Apr 27, 8:38 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 52 min |
| Apr 27, 10:19 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Peoria | 41 min |
| Apr 27, 10:20 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 55 min |
| Apr 27, 10:42 PM CDT | Severe Thunderstorm Warning | ILX | Mason, Tazewell, Woodford | 48 min |
| Apr 27, 10:43 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Piatt | 47 min |
| Apr 27, 11:30 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Edgar | 30 min |
| Apr 27, 11:52 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Richland | 38 min |
| Apr 27, 11:58 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 32 min |
| Apr 28, 12:05 AM CDT | Severe Thunderstorm Warning | PAH | Jackson | 40 min |
| Apr 28, 12:10 AM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jefferson | 50 min |
| Apr 28, 12:31 AM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 44 min |
| Apr 28, 12:39 AM CDT | Severe Thunderstorm Warning | PAH | Hamilton, Wayne | 36 min |
| Apr 28, 12:42 AM CDT | Severe Thunderstorm Warning | PAH | Jackson | 18 min |
| Apr 28, 12:56 AM CDT | Severe Thunderstorm Warning | PAH | Franklin, Williamson | 34 min |
| Apr 28, 1:04 AM CDT | Severe Thunderstorm Warning | PAH | Hamilton, Saline | 41 min |
| Apr 28, 1:07 AM CDT | Severe Thunderstorm Warning | PAH | Union | 38 min |
| Apr 28, 1:14 AM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Wabash, White | 46 min |
| Apr 28, 2:07 AM CDT | Severe Thunderstorm Warning | PAH | Hardin | 38 min |
| Apr 28, 2:28 AM CDT | Severe Thunderstorm Warning | PAH | Pope | 32 min |
| Apr 28, 2:31 AM CDT | Severe Thunderstorm Warning | PAH | Massac | 44 min |
| May 1, 12:09 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 51 min |
| May 1, 1:11 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 49 min |
| May 1, 1:39 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason | 51 min |
| May 1, 1:51 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 24 min |
| May 1, 2:04 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 56 min |
| May 1, 2:06 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 39 min |
| May 1, 2:30 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 45 min |
| May 1, 2:42 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 48 min |
| May 1, 3:18 PM CDT | Severe Thunderstorm Warning | ILX | Richland | 42 min |
| May 1, 4:49 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 41 min |
| May 1, 5:04 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 56 min |
| May 1, 6:22 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 38 min |
| May 1, 10:07 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 38 min |
| May 1, 10:51 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 39 min |
| May 2, 6:27 AM CDT | Severe Thunderstorm Warning | PAH | Jackson | 48 min |
| May 2, 6:40 AM CDT | Severe Thunderstorm Warning | PAH | Williamson | 65 min |
| May 2, 7:02 AM CDT | Severe Thunderstorm Warning | PAH | Pope, Saline | 43 min |
| May 2, 8:14 AM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski | 46 min |
| May 6, 9:18 AM CDT | Severe Thunderstorm Warning | ILX | Scott | 42 min |
| May 7, 12:12 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 48 min |
| May 7, 1:02 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 43 min |
| May 7, 1:25 AM CDT | Severe Thunderstorm Warning | ILX | Logan | 50 min |
| May 7, 1:28 AM CDT | Severe Thunderstorm Warning | ILX | Christian | 47 min |
| May 7, 1:36 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard | 39 min |
| May 7, 1:49 AM CDT | Severe Thunderstorm Warning | ILX | Macon | 41 min |
| May 7, 3:18 AM CDT | Severe Thunderstorm Warning | ILX | Effingham, Shelby | 42 min |
| May 7, 3:40 AM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Jasper | 35 min |
| May 8, 6:20 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 40 min |
| May 8, 10:18 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Schuyler, Scott | 57 min |
| May 8, 10:41 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 64 min |
| May 8, 10:45 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 45 min |
| May 8, 11:24 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 51 min |
| May 9, 12:02 AM CDT | Severe Thunderstorm Warning | ILX | Woodford | 43 min |
| May 9, 12:23 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Shelby | 52 min |
| May 9, 2:04 AM CDT | Severe Thunderstorm Warning | ILX | Moultrie | 26 min |
| May 9, 2:27 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Coles, Douglas | 63 min |
| May 9, 2:31 AM CDT | Severe Thunderstorm Warning | ILX | Effingham | 44 min |
| May 9, 2:42 AM CDT | Severe Thunderstorm Warning | ILX | Cumberland | 63 min |
| May 9, 2:52 AM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 53 min |
| May 9, 3:05 AM CDT | Severe Thunderstorm Warning | ILX | Cumberland | 40 min |
| May 9, 3:14 AM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford, Edgar, Jasper | 61 min |
| May 11, 2:56 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 49 min |
| May 11, 3:29 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 46 min |
| May 11, 4:16 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria, Tazewell, Woodford | 44 min |
| May 11, 5:48 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 42 min |
| May 11, 5:51 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 39 min |
| May 11, 7:52 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 38 min |
| May 11, 8:02 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 58 min |
| May 12, 1:43 AM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 47 min |
| May 12, 5:21 PM CDT | Severe Thunderstorm Warning | ILX | Effingham, Jasper | 39 min |
| May 12, 7:08 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 67 min |
| May 12, 7:24 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 51 min |
| May 12, 7:37 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Williamson | 68 min |
| May 13, 7:14 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 46 min |
| May 25, 1:54 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 51 min |
| May 25, 2:07 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 38 min |
| May 25, 2:35 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Lawrence | 55 min |
| May 25, 2:36 PM CDT | Severe Thunderstorm Warning | PAH | Williamson | 24 min |
| May 25, 2:41 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 29 min |
| May 25, 2:58 PM CDT | Severe Thunderstorm Warning | PAH | Williamson | 32 min |
| May 25, 3:16 PM CDT | Severe Thunderstorm Warning | PAH | Union | 44 min |
| May 25, 3:59 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 31 min |
| May 25, 4:44 PM CDT | Severe Thunderstorm Warning | PAH | Hardin | 31 min |
| May 25, 5:14 PM CDT | Severe Thunderstorm Warning | PAH | Hardin | 31 min |
| May 25, 5:41 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 34 min |
| May 25, 5:41 PM CDT | Severe Thunderstorm Warning | PAH | Union | 49 min |
| May 27, 2:45 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 60 min |
| May 27, 3:45 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 60 min |
| May 27, 4:07 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 53 min |
| May 27, 4:59 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 61 min |
| May 27, 5:57 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie | 63 min |
| May 27, 6:34 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas | 56 min |
| May 27, 6:52 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 53 min |
| May 30, 9:46 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 44 min |
| May 31, 3:35 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 25 min |
| May 31, 4:43 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Shelby | 47 min |
| May 31, 6:16 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 44 min |
| Jun 1, 12:15 AM CDT | Severe Thunderstorm Warning | DVN | Henderson | 45 min |
| Jun 1, 4:50 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 40 min |
| Jun 1, 6:19 AM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 41 min |
| Jun 1, 6:24 AM CDT | Severe Thunderstorm Warning | DVN | McDonough | 36 min |
| Jun 1, 8:46 AM CDT | Severe Thunderstorm Warning | ILX | Fulton | 59 min |
| Jun 1, 9:22 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason | 53 min |
| Jun 1, 10:16 AM CDT | Severe Thunderstorm Warning | ILX | Mason, Menard | 59 min |
| Jun 1, 7:04 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Edgar, Vermilion | 56 min |
| Jun 3, 6:13 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 47 min |
| Jun 3, 7:46 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane, Kendall, Lee, Ogle | 44 min |
| Jun 3, 8:25 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 50 min |
| Jun 3, 10:16 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 54 min |
| Jun 3, 11:24 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Stephenson | 76 min |
| Jun 4, 1:01 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane, Kendall, LaSalle | 44 min |
| Jun 4, 1:22 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Will | 38 min |
| Jun 4, 1:30 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Warren | 45 min |
| Jun 4, 1:37 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 38 min |
| Jun 4, 1:44 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle | 46 min |
| Jun 4, 1:53 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 37 min |
| Jun 4, 2:24 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 51 min |
| Jun 4, 2:28 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 47 min |
| Jun 4, 3:54 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 51 min |
| Jun 4, 4:04 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Livingston | 26 min |
| Jun 4, 4:21 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria | 54 min |
| Jun 4, 4:25 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 65 min |
| Jun 4, 5:11 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 64 min |
| Jun 4, 5:23 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 52 min |
| Jun 4, 5:32 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 58 min |
| Jun 4, 6:07 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 23 min |
| Jun 4, 6:10 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 80 min |
| Jun 5, 12:44 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski | 31 min |
| Jun 5, 1:16 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Saline | 29 min |
| Jun 10, 6:13 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 32 min |
| Jun 10, 6:20 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 25 min |
| Jun 10, 6:38 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 37 min |
| Jun 11, 3:00 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Schuyler, Scott | 60 min |
| Jun 11, 3:53 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 67 min |
| Jun 11, 4:19 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 41 min |
| Jun 11, 4:31 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 59 min |
| Jun 11, 5:11 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland | 64 min |
| Jun 11, 5:12 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 63 min |
| Jun 11, 5:35 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 40 min |
| Jun 11, 5:40 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Jasper | 65 min |
| Jun 11, 6:05 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 55 min |
| Jun 12, 7:42 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 33 min |
| Jun 12, 8:34 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 56 min |
| Jun 12, 8:53 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 52 min |
| Jun 12, 11:12 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 48 min |
| Jun 12, 11:26 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 64 min |
| Jun 13, 1:44 AM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 61 min |
| Jun 14, 11:31 AM CDT | Severe Thunderstorm Warning | LOT | Cook | 29 min |
| Jun 14, 11:58 AM CDT | Severe Thunderstorm Warning | LOT | Cook | 47 min |
| Jun 14, 3:16 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 44 min |
| Jun 25, 11:42 AM CDT | Severe Thunderstorm Warning | LOT | Kendall | 33 min |
| Jun 25, 2:41 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 34 min |
| Jun 25, 2:49 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 41 min |
| Jun 25, 2:57 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 48 min |
| Jun 25, 5:21 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 54 min |
| Jun 25, 6:16 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 44 min |
| Jun 25, 7:15 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Woodford | 60 min |
| Jun 25, 7:33 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 57 min |
| Jun 26, 7:22 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 58 min |
| Jun 26, 7:31 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 49 min |
| Jun 26, 8:37 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 53 min |
| Jun 26, 11:00 PM CDT | Severe Thunderstorm Warning | LOT | Will | 30 min |
| Jun 26, 11:58 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 47 min |
| Jun 27, 12:06 AM CDT | Severe Thunderstorm Warning | LOT | Livingston | 39 min |
| Jun 27, 3:20 PM CDT | Severe Thunderstorm Warning | ILX | Jasper | 40 min |
| Jun 27, 4:31 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 59 min |
| Jul 8, 8:05 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 40 min |
| Jul 8, 8:23 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 37 min |
| Jul 8, 8:53 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 52 min |
| Jul 9, 5:38 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 52 min |
| Jul 9, 5:56 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 64 min |
| Jul 9, 6:25 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 65 min |
| Jul 9, 7:18 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 57 min |
| Jul 10, 5:18 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Williamson | 42 min |
| Jul 10, 5:25 PM CDT | Severe Thunderstorm Warning | PAH | Union | 50 min |
| Jul 18, 1:48 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 57 min |
| Jul 18, 2:24 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 21 min |
| Jul 18, 5:27 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Whiteside | 63 min |
| Jul 20, 5:13 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 62 min |
| Jul 21, 3:47 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 43 min |
| Jul 21, 4:28 PM CDT | Severe Thunderstorm Warning | ILX | Jasper, Richland | 47 min |
| Jul 21, 6:43 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 47 min |
| Jul 22, 3:24 PM CDT | Severe Thunderstorm Warning | PAH | Hardin | 36 min |
| Jul 22, 5:54 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 66 min |
| Jul 22, 5:57 PM CDT | Severe Thunderstorm Warning | ILX | Cass | 63 min |
| Jul 22, 6:25 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 65 min |
| Jul 22, 6:31 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 44 min |
| Jul 22, 6:32 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 58 min |
| Jul 22, 6:48 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 57 min |
| Jul 22, 6:50 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 40 min |
| Jul 22, 7:24 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 36 min |
| Jul 22, 7:29 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 46 min |
| Jul 22, 8:53 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 67 min |
| Jul 22, 9:22 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 38 min |
| Jul 22, 9:36 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 39 min |
| Jul 26, 4:52 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell, Woodford | 38 min |
| Jul 26, 5:19 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 41 min |
| Jul 26, 5:34 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason | 41 min |
| Jul 26, 9:43 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 62 min |
| Jul 26, 10:16 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 44 min |
| Jul 26, 11:03 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Sangamon | 57 min |
| Jul 26, 11:06 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 54 min |
| Jul 26, 11:20 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 40 min |
| Jul 26, 11:38 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 52 min |
| Jul 26, 11:56 PM CDT | Severe Thunderstorm Warning | DVN | McDonough, Warren | 64 min |
| Jul 26, 11:59 PM CDT | Severe Thunderstorm Warning | DVN | McDonough, Warren | 61 min |
| Jul 27, 1:41 AM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 59 min |
| Jul 28, 9:06 AM CDT | Severe Thunderstorm Warning | ILX | Peoria | 24 min |
| Jul 28, 10:10 AM CDT | Severe Thunderstorm Warning | ILX | Peoria | 50 min |
| Jul 28, 2:46 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell | 59 min |
| Jul 28, 3:44 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 46 min |
| Aug 2, 5:54 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 36 min |
| Aug 2, 6:48 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 27 min |
| Aug 4, 8:01 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 44 min |
| Aug 12, 7:42 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 63 min |
| Aug 12, 7:51 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 39 min |
| Aug 16, 8:56 AM CDT | Severe Thunderstorm Warning | ILX | Logan, Menard, Sangamon | 49 min |
| Aug 19, 12:20 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 40 min |
| Aug 19, 1:03 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 27 min |
| Aug 19, 1:10 AM CDT | Severe Thunderstorm Warning | LOT | Ford | 55 min |
| Aug 19, 2:03 AM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 42 min |
| Aug 19, 4:13 AM CDT | Severe Thunderstorm Warning | ILX | Mason | 47 min |
| Aug 19, 5:32 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 58 min |
| Aug 21, 6:59 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 46 min |
| Aug 21, 8:28 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 47 min |
| Aug 21, 10:26 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 64 min |
| Aug 21, 11:39 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 66 min |
| Sep 18, 3:38 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 52 min |
| Sep 18, 4:25 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 50 min |
| Sep 19, 12:25 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 35 min |
| Sep 19, 1:02 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 43 min |
| Sep 29, 4:13 AM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 32 min |
| Nov 9, 11:28 PM CST | Severe Thunderstorm Warning | PAH | Union | 47 min |
| Nov 9, 11:59 PM CST | Severe Thunderstorm Warning | PAH | Johnson, Pope | 61 min |
| Nov 10, 12:11 AM CST | Severe Thunderstorm Warning | PAH | Gallatin, Saline | 64 min |
| Nov 10, 12:59 AM CST | Severe Thunderstorm Warning | PAH | Pope | 61 min |
| Nov 10, 12:30 PM CST | Severe Thunderstorm Warning | ILX | Clay, Jasper | 60 min |
| Nov 10, 1:12 PM CST | Severe Thunderstorm Warning | ILX | Crawford | 63 min |
| Nov 10, 2:30 PM CST | Severe Thunderstorm Warning | PAH | Alexander | 30 min |
| Nov 10, 2:42 PM CST | Severe Thunderstorm Warning | PAH | Pulaski | 33 min |
| Dec 18, 4:44 PM CST | Severe Thunderstorm Warning | ILX | Morgan, Scott | 46 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sangamon County17
- Mason County12
- Morgan County11
- Fulton County11
- Edgar County10
- Cass County10
- Tazewell County10
- Clark County10
- Knox County9
- Christian County9
- Shelby County9
- Effingham County9
- Scott County9
- Menard County9
- Peoria County9
- Vermilion County8
- Jackson County8
- Carroll County8
- Jasper County8
- Crawford County8
- Pope County7
- Mercer County7
- Warren County7
- Woodford County7
- Champaign County7
- Cumberland County7
- Coles County7
- Richland County7
- Franklin County7
- Stephenson County7
- Macon County7
- Schuyler County7
- Pulaski County6
- Henderson County6
- McDonough County6
- Whiteside County6
- Jefferson County6
- Hamilton County6
- Clay County6
- Ogle County6
60 more counties
- Logan County6
- Lawrence County6
- Union County6
- Williamson County6
- McLean County6
- Marshall County6
- Moultrie County5
- Douglas County5
- Jo Daviess County5
- Winnebago County5
- Hardin County5
- Saline County5
- Gallatin County5
- Livingston County5
- Alexander County4
- Hancock County4
- Henry County4
- DeKalb County4
- LaSalle County4
- Johnson County4
- Wayne County4
- White County4
- Kendall County4
- Cook County4
- Rock Island County3
- Massac County3
- Perry County3
- Kane County3
- Lee County3
- Will County3
- Boone County3
- DeWitt County3
- Wabash County2
- Lake County2
- Piatt County2
- Stark County2
- DuPage County2
- Grundy County2
- Ford County2
- McHenry County2
- Adams County1
- Bond County1
- Brown County1
- Calhoun County1
- Clinton County1
- Fayette County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Pike County1
- Randolph County1
- Saint Clair County1
- Washington County1
- Edwards County1
- Kankakee County1
- Bureau County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20012003
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. Warning verification from the Mesonet's Cow. Rebuilt daily.