Alert archive / Illinois / Severe Thunderstorm Warnings / 2003
Severe Thunderstorm Warnings in Illinois, August 2003
97 severe thunderstorm warnings in August 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 August 2003. Tap one for its archive.
- Severe Thunderstorm Warnings
- 97
- Busiest day
- August 1, 200328 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 31, 7:06 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb | 39 min |
| Jul 31, 9:08 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 37 min |
| Jul 31, 9:38 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kendall, Will | 52 min |
| Jul 31, 10:24 PM CDT | Severe Thunderstorm Warning | LOT | Will | 66 min |
| Aug 1, 12:54 AM CDT | Severe Thunderstorm Warning | DVN | Carroll | 51 min |
| Aug 1, 1:00 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 60 min |
| Aug 1, 2:20 AM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 55 min |
| Aug 1, 3:02 AM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 58 min |
| Aug 1, 4:07 AM CDT | Severe Thunderstorm Warning | LOT | Grundy | 23 min |
| Aug 1, 4:30 AM CDT | Severe Thunderstorm Warning | LOT | Will | 45 min |
| Aug 1, 1:28 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 47 min |
| Aug 1, 2:47 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 43 min |
| Aug 1, 2:49 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 41 min |
| Aug 1, 3:09 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 36 min |
| Aug 1, 3:27 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 48 min |
| Aug 1, 3:27 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 63 min |
| Aug 1, 3:37 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 53 min |
| Aug 1, 3:37 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 53 min |
| Aug 1, 3:45 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 60 min |
| Aug 1, 3:47 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 73 min |
| Aug 1, 4:05 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 55 min |
| Aug 1, 4:30 PM CDT | Severe Thunderstorm Warning | LOT | DuPage | 45 min |
| Aug 1, 4:39 PM CDT | Severe Thunderstorm Warning | LOT | Will | 21 min |
| Aug 1, 4:46 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 29 min |
| Aug 1, 4:56 PM CDT | Severe Thunderstorm Warning | LOT | Grundy | 49 min |
| Aug 1, 5:12 PM CDT | Severe Thunderstorm Warning | LOT | Kendall, Will | 63 min |
| Aug 1, 5:20 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 40 min |
| Aug 1, 5:58 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle | 47 min |
| Aug 2, 1:07 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 53 min |
| Aug 2, 1:16 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 59 min |
| Aug 2, 1:27 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 63 min |
| Aug 2, 2:03 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 42 min |
| Aug 2, 2:28 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 62 min |
| Aug 2, 2:41 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 64 min |
| Aug 2, 2:44 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 61 min |
| Aug 2, 3:08 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 67 min |
| Aug 2, 3:16 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 59 min |
| Aug 2, 3:35 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 55 min |
| Aug 2, 3:39 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 66 min |
| Aug 2, 3:45 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 30 min |
| Aug 2, 3:45 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 60 min |
| Aug 2, 3:46 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 59 min |
| Aug 2, 4:20 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 55 min |
| Aug 2, 4:21 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 39 min |
| Aug 2, 4:51 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 54 min |
| Aug 2, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 44 min |
| Aug 2, 6:05 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 40 min |
| Aug 2, 6:14 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 61 min |
| Aug 2, 6:19 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 56 min |
| Aug 2, 6:36 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 24 min |
| Aug 2, 6:45 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 45 min |
| Aug 2, 7:49 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison | 41 min |
| Aug 2, 7:53 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 37 min |
| Aug 2, 8:47 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 58 min |
| Aug 3, 3:20 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 25 min |
| Aug 3, 3:51 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 24 min |
| Aug 3, 4:57 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 63 min |
| Aug 3, 5:32 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 43 min |
| Aug 3, 5:43 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 47 min |
| Aug 3, 6:08 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 37 min |
| Aug 3, 6:21 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 54 min |
| Aug 3, 6:32 PM CDT | Severe Thunderstorm Warning | ILX | Richland | 58 min |
| Aug 3, 7:01 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 59 min |
| Aug 3, 7:22 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 68 min |
| Aug 3, 7:25 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 35 min |
| Aug 3, 7:48 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 42 min |
| Aug 3, 8:09 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 51 min |
| Aug 3, 8:31 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 59 min |
| Aug 3, 8:33 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 57 min |
| Aug 3, 9:04 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 56 min |
| Aug 3, 11:51 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 54 min |
| Aug 4, 12:01 AM CDT | Severe Thunderstorm Warning | ILX | Morgan | 44 min |
| Aug 4, 12:02 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 58 min |
| Aug 4, 1:52 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 23 min |
| Aug 4, 2:09 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 21 min |
| Aug 4, 2:32 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison, Saint Clair | 43 min |
| Aug 4, 3:39 AM CDT | Severe Thunderstorm Warning | LSX | Washington | 36 min |
| Aug 4, 4:39 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 66 min |
| Aug 11, 1:52 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 38 min |
| Aug 11, 3:35 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 55 min |
| Aug 17, 4:49 PM CDT | Severe Thunderstorm Warning | PAH | Hardin, Pope | 26 min |
| Aug 20, 7:01 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 59 min |
| Aug 20, 7:23 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 52 min |
| Aug 22, 3:23 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin | 52 min |
| Aug 26, 3:37 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Will | 38 min |
| Aug 26, 5:51 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 59 min |
| Aug 26, 6:50 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 55 min |
| Aug 26, 7:44 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 61 min |
| Aug 26, 8:13 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 47 min |
| Aug 26, 9:08 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 52 min |
| Aug 26, 9:31 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 59 min |
| Aug 26, 9:49 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 56 min |
| Aug 26, 9:55 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 50 min |
| Aug 26, 10:24 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 51 min |
| Aug 26, 10:46 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 44 min |
| Aug 26, 11:29 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 61 min |
| Aug 27, 3:06 AM CDT | Severe Thunderstorm Warning | ILX | Morgan | 54 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Will County7
- Morgan County7
- LaSalle County5
- Grundy County4
- Cook County4
- Logan County4
- Greene County4
- Madison County4
- DuPage County3
- Kendall County3
- Mercer County3
- Christian County3
- DeKalb County2
- Kane County2
- Carroll County2
- Stephenson County2
- Rock Island County2
- Mason County2
- Iroquois County2
- Schuyler County2
- DeWitt County2
- Champaign County2
- Macon County2
- Sangamon County2
- Calhoun County2
- Stark County2
- Brown County2
- Scott County2
- Boone County1
- Jo Daviess County1
- Putnam County1
- Marshall County1
- Henry County1
- Fulton County1
- McLean County1
- Ford County1
- Pike County1
- Peoria County1
- Coles County1
- Cumberland County1
23 more counties
- Jersey County1
- Macoupin County1
- Clark County1
- Effingham County1
- Crawford County1
- Wayne County1
- Lawrence County1
- Richland County1
- Tazewell County1
- Jefferson County1
- Marion County1
- Clinton County1
- Saint Clair County1
- Washington County1
- Alexander County1
- McDonough County1
- Hardin County1
- Pope County1
- Whiteside County1
- Gallatin County1
- Kankakee County1
- Hancock County1
- Adams 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.