Alert archive / Illinois / Severe Thunderstorm Warnings / 2003
Severe Thunderstorm Warnings in Illinois, July 2003
255 severe thunderstorm warnings in July 2003. 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 July 2003. Tap one for its archive.
- Severe Thunderstorm Warnings
- 255
- Busiest day
- July 18, 200351 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 7:18 AM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake, McHenry | 27 min |
| Jul 4, 3:24 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 51 min |
| Jul 5, 3:17 AM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 43 min |
| Jul 5, 3:47 AM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle, Winnebago | 58 min |
| Jul 5, 4:27 AM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 48 min |
| Jul 5, 5:02 AM CDT | Severe Thunderstorm Warning | LOT | Cook, Kane, Lake | 43 min |
| Jul 5, 2:45 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 45 min |
| Jul 5, 5:20 PM CDT | Severe Thunderstorm Warning | DVN | McDonough, Warren | 50 min |
| Jul 5, 7:56 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 79 min |
| Jul 5, 7:58 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 62 min |
| Jul 5, 8:32 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 58 min |
| Jul 5, 9:26 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 64 min |
| Jul 5, 10:02 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 58 min |
| Jul 5, 10:03 PM CDT | Severe Thunderstorm Warning | ILX | Douglas | 57 min |
| Jul 5, 10:23 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 67 min |
| Jul 5, 11:26 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 64 min |
| Jul 6, 1:12 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 48 min |
| Jul 6, 1:54 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 36 min |
| Jul 6, 1:56 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 64 min |
| Jul 6, 1:58 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 47 min |
| Jul 6, 2:11 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 49 min |
| Jul 6, 2:14 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 46 min |
| Jul 6, 2:26 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 49 min |
| Jul 6, 3:01 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 59 min |
| Jul 6, 3:12 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 63 min |
| Jul 6, 3:16 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 44 min |
| Jul 6, 3:25 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 50 min |
| Jul 6, 3:35 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 55 min |
| Jul 6, 5:10 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kane | 35 min |
| Jul 6, 5:13 PM CDT | Severe Thunderstorm Warning | LOT | DuPage | 32 min |
| Jul 6, 5:27 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 48 min |
| Jul 6, 5:40 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 50 min |
| Jul 6, 6:24 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 51 min |
| Jul 6, 7:11 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 49 min |
| Jul 6, 8:02 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 28 min |
| Jul 6, 8:14 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 61 min |
| Jul 6, 8:39 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 36 min |
| Jul 7, 7:11 AM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 49 min |
| Jul 7, 7:21 AM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 39 min |
| Jul 7, 7:39 AM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Kane, Kendall, LaSalle, McHenry | 51 min |
| Jul 7, 8:06 AM CDT | Severe Thunderstorm Warning | DVN | Bureau | 39 min |
| Jul 7, 8:17 AM CDT | Severe Thunderstorm Warning | LOT | DuPage, Grundy, Will | 43 min |
| Jul 7, 8:40 AM CDT | Severe Thunderstorm Warning | DVN | Putnam | 35 min |
| Jul 7, 8:42 AM CDT | Severe Thunderstorm Warning | ILX | Marshall | 63 min |
| Jul 7, 8:42 AM CDT | Severe Thunderstorm Warning | LOT | Cook | 48 min |
| Jul 7, 9:00 AM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 45 min |
| Jul 7, 9:05 AM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 25 min |
| Jul 7, 9:25 AM CDT | Severe Thunderstorm Warning | ILX | Woodford | 65 min |
| Jul 7, 9:27 AM CDT | Severe Thunderstorm Warning | LOT | Livingston | 48 min |
| Jul 7, 6:53 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island, Whiteside | 67 min |
| Jul 7, 7:12 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 63 min |
| Jul 7, 7:42 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 58 min |
| Jul 7, 8:02 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 58 min |
| Jul 7, 8:23 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 52 min |
| Jul 7, 8:33 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 72 min |
| Jul 7, 8:36 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 54 min |
| Jul 7, 8:41 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 64 min |
| Jul 7, 9:02 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 28 min |
| Jul 7, 9:11 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 34 min |
| Jul 7, 9:35 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 25 min |
| Jul 7, 9:40 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 35 min |
| Jul 7, 9:54 PM CDT | Severe Thunderstorm Warning | LOT | Will | 51 min |
| Jul 7, 10:02 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 43 min |
| Jul 7, 10:35 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 40 min |
| Jul 8, 9:13 AM CDT | Severe Thunderstorm Warning | LOT | Lake | 17 min |
| Jul 8, 12:27 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 48 min |
| Jul 8, 12:51 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 54 min |
| Jul 8, 1:13 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 47 min |
| Jul 8, 1:24 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 46 min |
| Jul 8, 1:29 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 31 min |
| Jul 8, 1:42 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 48 min |
| Jul 8, 1:55 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 50 min |
| Jul 8, 2:06 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 54 min |
| Jul 8, 2:09 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee | 51 min |
| Jul 8, 2:11 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 49 min |
| Jul 8, 2:32 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Livingston | 28 min |
| Jul 8, 2:45 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 60 min |
| Jul 8, 2:51 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 54 min |
| Jul 8, 3:16 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 59 min |
| Jul 8, 3:49 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason | 56 min |
| Jul 8, 4:02 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 43 min |
| Jul 8, 4:23 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 67 min |
| Jul 8, 4:33 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 42 min |
| Jul 8, 4:40 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 65 min |
| Jul 8, 4:52 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 53 min |
| Jul 8, 5:10 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 20 min |
| Jul 8, 6:54 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 51 min |
| Jul 8, 7:29 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 61 min |
| Jul 8, 9:03 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 42 min |
| Jul 8, 9:42 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 48 min |
| Jul 8, 10:09 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason | 66 min |
| Jul 8, 10:27 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 63 min |
| Jul 8, 10:45 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 30 min |
| Jul 8, 11:09 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 51 min |
| Jul 8, 11:45 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Shelby | 45 min |
| Jul 9, 11:47 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 58 min |
| Jul 9, 12:27 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 48 min |
| Jul 9, 2:35 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 25 min |
| Jul 9, 3:57 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 48 min |
| Jul 9, 4:05 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 55 min |
| Jul 9, 4:31 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 44 min |
| Jul 9, 5:10 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 65 min |
| Jul 9, 5:15 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 30 min |
| Jul 9, 5:29 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 61 min |
| Jul 9, 5:31 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 59 min |
| Jul 9, 5:55 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 65 min |
| Jul 9, 6:16 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 59 min |
| Jul 9, 6:20 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 55 min |
| Jul 9, 6:24 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 66 min |
| Jul 9, 6:28 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 62 min |
| Jul 9, 6:34 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 56 min |
| Jul 9, 6:43 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 62 min |
| Jul 9, 6:57 PM CDT | Severe Thunderstorm Warning | ILX | Douglas | 63 min |
| Jul 9, 7:02 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 43 min |
| Jul 9, 7:04 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 56 min |
| Jul 9, 7:12 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 48 min |
| Jul 9, 7:13 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 62 min |
| Jul 9, 7:24 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 66 min |
| Jul 9, 8:00 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 60 min |
| Jul 9, 9:22 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 53 min |
| Jul 9, 9:49 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 41 min |
| Jul 9, 9:55 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 50 min |
| Jul 9, 9:55 PM CDT | Severe Thunderstorm Warning | LSX | Brown, Pike | 65 min |
| Jul 11, 2:47 PM CDT | Severe Thunderstorm Warning | LOT | Kendall | 43 min |
| Jul 11, 3:06 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 39 min |
| Jul 11, 3:19 PM CDT | Severe Thunderstorm Warning | LOT | Will | 41 min |
| Jul 11, 4:08 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 52 min |
| Jul 11, 5:02 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 43 min |
| Jul 11, 5:42 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 63 min |
| Jul 11, 6:42 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 48 min |
| Jul 11, 6:45 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 60 min |
| Jul 11, 7:21 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 54 min |
| Jul 11, 7:41 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 49 min |
| Jul 11, 8:20 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 25 min |
| Jul 11, 8:45 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 45 min |
| Jul 11, 10:25 PM CDT | Severe Thunderstorm Warning | ILX | Effingham, Jasper | 65 min |
| Jul 11, 11:45 PM CDT | Severe Thunderstorm Warning | ILX | Jasper | 60 min |
| Jul 15, 4:18 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 42 min |
| Jul 15, 4:58 AM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 32 min |
| Jul 15, 5:00 AM CDT | Severe Thunderstorm Warning | ILX | Marshall | 60 min |
| Jul 15, 5:25 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Will | 35 min |
| Jul 15, 6:20 AM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 25 min |
| Jul 15, 7:16 AM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 59 min |
| Jul 15, 7:27 AM CDT | Severe Thunderstorm Warning | ILX | Champaign | 48 min |
| Jul 15, 8:05 AM CDT | Severe Thunderstorm Warning | ILX | Shelby | 55 min |
| Jul 15, 8:12 AM CDT | Severe Thunderstorm Warning | ILX | Effingham | 63 min |
| Jul 15, 8:16 AM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 29 min |
| Jul 15, 8:28 AM CDT | Severe Thunderstorm Warning | ILX | Edgar | 47 min |
| Jul 15, 8:40 AM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 50 min |
| Jul 15, 8:43 AM CDT | Severe Thunderstorm Warning | ILX | Clay | 47 min |
| Jul 15, 9:04 AM CDT | Severe Thunderstorm Warning | PAH | Wayne | 71 min |
| Jul 17, 11:47 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 58 min |
| Jul 17, 1:22 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 38 min |
| Jul 17, 4:14 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 46 min |
| Jul 17, 5:04 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake | 41 min |
| Jul 17, 5:44 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 46 min |
| Jul 17, 7:58 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 62 min |
| Jul 17, 8:21 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 24 min |
| Jul 17, 8:51 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, DuPage, Kane, Kendall, LaSalle, Will | 39 min |
| Jul 17, 8:55 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kane, Will | 35 min |
| Jul 17, 10:03 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee | 42 min |
| Jul 17, 10:31 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 59 min |
| Jul 17, 10:41 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 49 min |
| Jul 17, 10:42 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 63 min |
| Jul 17, 10:56 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 64 min |
| Jul 17, 11:48 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 57 min |
| Jul 18, 1:21 AM CDT | Severe Thunderstorm Warning | LOT | Ford | 24 min |
| Jul 18, 1:25 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 35 min |
| Jul 18, 2:01 AM CDT | Severe Thunderstorm Warning | ILX | Champaign | 44 min |
| Jul 18, 2:56 AM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 49 min |
| Jul 18, 3:19 AM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 41 min |
| Jul 18, 3:22 AM CDT | Severe Thunderstorm Warning | ILX | Logan | 53 min |
| Jul 18, 3:39 AM CDT | Severe Thunderstorm Warning | ILX | Mason | 66 min |
| Jul 18, 4:08 AM CDT | Severe Thunderstorm Warning | DVN | McDonough | 52 min |
| Jul 18, 4:11 AM CDT | Severe Thunderstorm Warning | ILX | Macon | 64 min |
| Jul 18, 4:16 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 59 min |
| Jul 18, 4:45 AM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 60 min |
| Jul 18, 4:49 AM CDT | Severe Thunderstorm Warning | ILX | Christian | 56 min |
| Jul 18, 4:56 AM CDT | Severe Thunderstorm Warning | LSX | Brown | 64 min |
| Jul 18, 5:17 AM CDT | Severe Thunderstorm Warning | ILX | Mason | 58 min |
| Jul 18, 5:29 AM CDT | Severe Thunderstorm Warning | ILX | Cass | 61 min |
| Jul 18, 5:38 AM CDT | Severe Thunderstorm Warning | ILX | Menard | 37 min |
| Jul 18, 5:56 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 49 min |
| Jul 18, 6:45 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 60 min |
| Jul 18, 6:51 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 39 min |
| Jul 18, 6:56 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey | 34 min |
| Jul 18, 7:00 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 45 min |
| Jul 18, 7:07 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 38 min |
| Jul 18, 7:11 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 49 min |
| Jul 18, 7:16 AM CDT | Severe Thunderstorm Warning | DVN | McDonough | 59 min |
| Jul 18, 7:18 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Schuyler, Scott | 57 min |
| Jul 18, 7:22 AM CDT | Severe Thunderstorm Warning | LSX | Fayette | 83 min |
| Jul 18, 7:31 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 59 min |
| Jul 18, 7:49 AM CDT | Severe Thunderstorm Warning | LSX | Brown, Pike | 41 min |
| Jul 18, 8:16 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Sangamon, Scott | 59 min |
| Jul 18, 8:38 AM CDT | Severe Thunderstorm Warning | LSX | Greene | 37 min |
| Jul 18, 8:50 AM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin | 40 min |
| Jul 18, 8:59 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 31 min |
| Jul 18, 9:14 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 46 min |
| Jul 18, 9:41 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 49 min |
| Jul 18, 10:02 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 43 min |
| Jul 18, 10:23 AM CDT | Severe Thunderstorm Warning | PAH | Perry | 52 min |
| Jul 18, 10:58 AM CDT | Severe Thunderstorm Warning | PAH | Jackson | 62 min |
| Jul 18, 11:16 AM CDT | Severe Thunderstorm Warning | PAH | Union | 44 min |
| Jul 18, 11:48 AM CDT | Severe Thunderstorm Warning | PAH | Alexander, Johnson, Pulaski | 27 min |
| Jul 18, 11:59 AM CDT | Severe Thunderstorm Warning | PAH | Union | 16 min |
| Jul 18, 12:15 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Massac, Pulaski | 60 min |
| Jul 20, 5:06 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 54 min |
| Jul 20, 5:57 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 48 min |
| Jul 20, 6:01 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 19 min |
| Jul 20, 10:17 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 58 min |
| Jul 20, 10:50 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 25 min |
| Jul 20, 11:58 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 32 min |
| Jul 21, 12:17 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Rock Island | 43 min |
| Jul 21, 12:21 AM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 54 min |
| Jul 21, 12:30 AM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 45 min |
| Jul 21, 12:59 AM CDT | Severe Thunderstorm Warning | LSX | Adams | 46 min |
| Jul 21, 1:05 AM CDT | Severe Thunderstorm Warning | DVN | Henry | 25 min |
| Jul 21, 1:13 AM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria, Stark | 62 min |
| Jul 21, 1:16 AM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 29 min |
| Jul 21, 1:21 AM CDT | Severe Thunderstorm Warning | LOT | Lee | 54 min |
| Jul 21, 1:30 AM CDT | Severe Thunderstorm Warning | ILX | Marshall | 60 min |
| Jul 21, 1:34 AM CDT | Severe Thunderstorm Warning | ILX | Fulton | 26 min |
| Jul 21, 1:43 AM CDT | Severe Thunderstorm Warning | ILX | Tazewell, Woodford | 62 min |
| Jul 21, 1:47 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 43 min |
| Jul 21, 1:58 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 62 min |
| Jul 21, 2:08 AM CDT | Severe Thunderstorm Warning | LOT | Kendall, LaSalle | 32 min |
| Jul 21, 2:14 AM CDT | Severe Thunderstorm Warning | ILX | Logan | 61 min |
| Jul 21, 2:16 AM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 44 min |
| Jul 21, 2:26 AM CDT | Severe Thunderstorm Warning | LOT | Will | 64 min |
| Jul 21, 2:40 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 65 min |
| Jul 21, 2:51 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 54 min |
| Jul 21, 2:53 AM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 37 min |
| Jul 21, 3:54 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 51 min |
| Jul 21, 4:09 AM CDT | Severe Thunderstorm Warning | ILX | Coles | 51 min |
| Jul 21, 4:31 AM CDT | Severe Thunderstorm Warning | ILX | Clark, Cumberland | 44 min |
| Jul 21, 5:57 AM CDT | Severe Thunderstorm Warning | PAH | Hamilton, White | 33 min |
| Jul 27, 10:31 AM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 29 min |
| Jul 27, 10:56 AM CDT | Severe Thunderstorm Warning | DVN | Henry | 49 min |
| Jul 27, 11:24 AM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 36 min |
| Jul 27, 11:33 AM CDT | Severe Thunderstorm Warning | DVN | Bureau | 42 min |
| Jul 27, 11:36 AM CDT | Severe Thunderstorm Warning | LOT | Lee | 39 min |
| Jul 27, 12:01 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 44 min |
| Jul 27, 12:14 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee | 46 min |
| Jul 27, 12:20 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 25 min |
| Jul 27, 12:32 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 43 min |
| Jul 27, 12:51 PM CDT | Severe Thunderstorm Warning | LOT | Will | 54 min |
| Jul 27, 1:07 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 38 min |
| Jul 27, 1:31 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 44 min |
| Jul 28, 5:06 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 39 min |
| Jul 28, 5:38 PM CDT | Severe Thunderstorm Warning | PAH | Pulaski | 22 min |
| Jul 31, 5:33 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 42 min |
| Jul 31, 6:17 PM CDT | Severe Thunderstorm Warning | LOT | Boone | 28 min |
| Jul 31, 6:50 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 25 min |
| Jul 31, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 64 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County15
- Iroquois County13
- Will County13
- Kankakee County12
- LaSalle County12
- Lee County11
- McLean County10
- Livingston County10
- Ford County10
- Rock Island County9
- Tazewell County8
- Champaign County8
- Grundy County8
- DuPage County8
- Kane County7
- Adams County7
- Vermilion County7
- Lake County6
- Kendall County6
- Henry County6
- McHenry County5
- Hancock County5
- Peoria County5
- DeKalb County5
- Bureau County5
- Stark County5
- Mason County5
- Brown County5
- Pike County5
- Boone County4
- Warren County4
- Edgar County4
- Whiteside County4
- Putnam County4
- Marshall County4
- Woodford County4
- DeWitt County4
- Cass County4
- Christian County4
- Shelby County4
45 more counties
- Ogle County3
- McDonough County3
- Piatt County3
- Henderson County3
- Knox County3
- Fulton County3
- Logan County3
- Morgan County3
- Scott County3
- Sangamon County3
- Schuyler County3
- Alexander County3
- Pulaski County3
- Winnebago County2
- Douglas County2
- Menard County2
- Effingham County2
- Jasper County2
- Fayette County2
- Macon County2
- Macoupin County2
- Greene County2
- Jersey County2
- Madison County2
- Union County2
- Mercer County2
- Moultrie County1
- Marion County1
- Clay County1
- Wayne County1
- Calhoun County1
- Monroe County1
- Saint Clair County1
- Clinton County1
- Washington County1
- Perry County1
- Jackson County1
- Johnson County1
- Massac County1
- Coles County1
- Clark County1
- Cumberland County1
- Hamilton County1
- White County1
- Stephenson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.