Alert archive / Illinois / Severe Thunderstorm Warnings / 2023
Severe Thunderstorm Warnings in Illinois, August 2023
87 severe thunderstorm warnings in August 2023. 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 2023. Tap one for its archive.
- Severe Thunderstorm Warnings
- 87
- Busiest day
- August 7, 202329 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 |
|---|---|---|---|---|
| Aug 2, 11:53 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Jackson, Johnson, Pulaski, Union, Williamson | 52 min |
| Aug 3, 12:29 AM CDT | Severe Thunderstorm Warning | PAH | Alexander, Jackson, Johnson, Massac, Pulaski, Union and 1 more | 46 min |
| Aug 3, 1:14 AM CDT | Severe Thunderstorm Warning | PAH | Wayne | 23 min |
| Aug 5, 1:58 AM CDT | Severe Thunderstorm Warning | LSX | Randolph | 32 min |
| Aug 5, 2:36 AM CDT | Severe Thunderstorm Warning | PAH | Jackson | 54 min |
| Aug 5, 4:06 AM CDT | Severe Thunderstorm Warning | PAH | Johnson, Massac, Pulaski, Union | 24 min |
| Aug 5, 4:26 AM CDT | Severe Thunderstorm Warning | PAH | Massac | 49 min |
| Aug 5, 6:11 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski, Union | 34 min |
| Aug 5, 6:41 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Johnson, Pulaski | 23 min |
| Aug 6, 4:03 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Schuyler | 27 min |
| Aug 6, 5:17 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 28 min |
| Aug 6, 6:09 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 36 min |
| Aug 6, 6:12 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette | 48 min |
| Aug 6, 6:42 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 33 min |
| Aug 6, 6:48 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 57 min |
| Aug 6, 6:51 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 24 min |
| Aug 6, 6:54 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 36 min |
| Aug 6, 7:01 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 29 min |
| Aug 6, 7:06 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham | 24 min |
| Aug 6, 7:13 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 17 min |
| Aug 6, 7:26 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Shelby | 34 min |
| Aug 6, 7:28 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham, Jasper | 47 min |
| Aug 6, 7:31 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 29 min |
| Aug 6, 7:49 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 41 min |
| Aug 6, 7:58 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Effingham, Jasper, Moultrie, Shelby | 47 min |
| Aug 6, 8:05 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison, Montgomery | 20 min |
| Aug 6, 8:08 PM CDT | Severe Thunderstorm Warning | ILX | Jasper, Richland | 37 min |
| Aug 6, 8:32 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Hamilton, Jefferson, Wayne, White | 43 min |
| Aug 6, 8:39 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Crawford, Cumberland, Edgar, Jasper | 31 min |
| Aug 6, 8:42 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Jasper, Lawrence, Richland | 48 min |
| Aug 6, 8:54 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 51 min |
| Aug 6, 8:57 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison | 48 min |
| Aug 6, 9:23 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 67 min |
| Aug 6, 9:25 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Lawrence, Richland | 35 min |
| Aug 6, 9:32 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 28 min |
| Aug 6, 9:54 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wayne | 51 min |
| Aug 6, 9:57 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 14 min |
| Aug 6, 9:57 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 48 min |
| Aug 6, 10:01 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Richland | 44 min |
| Aug 6, 10:37 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson, Wayne | 38 min |
| Aug 6, 10:39 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 21 min |
| Aug 6, 11:12 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash, Wayne | 30 min |
| Aug 6, 11:57 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jackson, Perry, Williamson | 33 min |
| Aug 7, 12:21 AM CDT | Severe Thunderstorm Warning | PAH | Franklin, Gallatin, Hamilton, Saline, White, Williamson | 39 min |
| Aug 7, 12:48 AM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin, Pope, Saline, Williamson | 42 min |
| Aug 7, 1:20 AM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Saline | 40 min |
| Aug 11, 5:53 AM CDT | Severe Thunderstorm Warning | DVN | Henderson, Henry, Mercer, Rock Island, Warren | 37 min |
| Aug 11, 6:17 AM CDT | Severe Thunderstorm Warning | DVN | Henderson, Henry, Mercer, Warren | 43 min |
| Aug 11, 6:19 AM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 41 min |
| Aug 11, 7:00 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria | 45 min |
| Aug 11, 7:21 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 39 min |
| Aug 11, 7:44 AM CDT | Severe Thunderstorm Warning | ILX | Logan, McLean, Peoria, Tazewell | 46 min |
| Aug 11, 8:55 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Logan, Macon, Sangamon | 20 min |
| Aug 11, 11:23 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 38 min |
| Aug 12, 12:29 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 31 min |
| Aug 12, 12:48 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 57 min |
| Aug 12, 1:07 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 38 min |
| Aug 12, 1:31 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 59 min |
| Aug 12, 2:00 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey, Pike | 60 min |
| Aug 12, 2:38 AM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin | 52 min |
| Aug 12, 3:12 AM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 25 min |
| Aug 12, 4:08 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Macoupin, Madison | 67 min |
| Aug 12, 4:46 AM CDT | Severe Thunderstorm Warning | LSX | Madison, Monroe, Saint Clair | 59 min |
| Aug 12, 7:45 AM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski | 30 min |
| Aug 13, 6:23 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 37 min |
| Aug 14, 1:47 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 28 min |
| Aug 14, 3:29 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 46 min |
| Aug 17, 5:22 AM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry, Winnebago | 23 min |
| Aug 17, 5:49 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Mercer | 41 min |
| Aug 17, 6:21 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Mercer, Warren | 24 min |
| Aug 17, 6:21 AM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 24 min |
| Aug 17, 7:19 AM CDT | Severe Thunderstorm Warning | DVN | McDonough | 26 min |
| Aug 17, 7:34 AM CDT | Severe Thunderstorm Warning | ILX | Fulton | 41 min |
| Aug 25, 2:54 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 36 min |
| Aug 25, 4:17 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 31 min |
| Aug 25, 4:33 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham, Jasper | 42 min |
| Aug 25, 6:34 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Mason, Schuyler | 41 min |
| Aug 25, 7:16 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Logan, Mason, Menard | 44 min |
| Aug 25, 7:22 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Tazewell | 53 min |
| Aug 25, 7:50 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Menard, Sangamon | 25 min |
| Aug 25, 8:10 PM CDT | Severe Thunderstorm Warning | ILX | Christian, DeWitt, Logan, Macon, Sangamon | 50 min |
| Aug 25, 8:26 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Tazewell | 64 min |
| Aug 25, 8:59 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Coles, Douglas, Macon, Moultrie, Piatt and 1 more | 61 min |
| Aug 25, 9:52 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 53 min |
| Aug 25, 10:00 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 45 min |
| Aug 25, 10:21 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 24 min |
| Aug 26, 12:33 AM CDT | Severe Thunderstorm Warning | ILX | Crawford, Jasper | 27 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Christian County7
- Jasper County7
- Logan County7
- Pulaski County6
- Wayne County6
- Alexander County5
- Williamson County5
- Sangamon County5
- Fayette County5
- Shelby County5
- Jackson County4
- Johnson County4
- Union County4
- Macon County4
- Montgomery County4
- Clay County4
- Effingham County4
- Madison County4
- Richland County4
- Crawford County4
- Henry County4
- Mercer County4
- Tazewell County4
- Mason County4
- Massac County3
- Cass County3
- Moultrie County3
- Coles County3
- Macoupin County3
- Franklin County3
- Jefferson County3
- Edgar County3
- Lawrence County3
- Gallatin County3
- Saline County3
- Warren County3
- Knox County3
- Fulton County3
- Peoria County3
- Pike County3
40 more counties
- Jersey County3
- Randolph County2
- Schuyler County2
- Cumberland County2
- Hamilton County2
- White County2
- Marion County2
- Clinton County2
- Edwards County2
- Wabash County2
- Henderson County2
- Stark County2
- McLean County2
- Boone County2
- McHenry County2
- Hancock County2
- Adams County2
- Calhoun County2
- Monroe County2
- Saint Clair County2
- Menard County2
- DeWitt County2
- Douglas County2
- Champaign County2
- Vermilion County2
- Morgan County1
- Bond County1
- Clark County1
- Washington County1
- Perry County1
- Hardin County1
- Pope County1
- Rock Island County1
- Greene County1
- Stephenson County1
- Carroll County1
- Whiteside County1
- Winnebago County1
- McDonough County1
- Piatt County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.