Alert archive / Illinois / Severe Thunderstorm Warnings / 2018
Severe Thunderstorm Warnings in Illinois, April 2018
11 severe thunderstorm warnings in April 2018. 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 April 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 11
- Busiest day
- April 3, 20189 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 |
|---|---|---|---|---|
| Apr 2, 11:13 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 32 min |
| Apr 3, 3:21 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 39 min |
| Apr 3, 3:26 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 49 min |
| Apr 3, 4:14 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Moultrie, Shelby | 31 min |
| Apr 3, 4:34 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas, Edgar | 26 min |
| Apr 3, 4:44 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 31 min |
| Apr 3, 5:06 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson, Wayne | 39 min |
| Apr 3, 5:20 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Crawford, Jasper, Richland | 25 min |
| Apr 3, 6:19 PM CDT | Severe Thunderstorm Warning | PAH | Massac, Pope, Pulaski | 41 min |
| Apr 3, 7:50 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hamilton, Saline, White | 25 min |
| Apr 13, 9:53 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Monroe, Saint Clair | 67 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Monroe County3
- Saint Clair County3
- Randolph County2
- Coles County2
- Moultrie County1
- Shelby County1
- Douglas County1
- Edgar County1
- Jackson County1
- Perry County1
- Jefferson County1
- Wayne County1
- Clay County1
- Crawford County1
- Jasper County1
- Richland County1
- Massac County1
- Pope County1
- Pulaski County1
- Gallatin County1
- Hamilton County1
- Saline County1
- White County1
- Madison County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.