Alert archive / Illinois / Red Flag Warnings
Red Flag Warnings in Illinois, 2024
9 red flag warnings in 2024. 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Red Flag Warnings
- 9
- Busiest month
- February5 red flag warnings
- Busiest day
- February 26, 20243 red flag 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 |
|---|---|---|---|---|
| Feb 25, 1:27 PM CST | Red Flag Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 29 hr |
| Feb 25, 1:35 PM CST | Red Flag Warning | LSX | Adams, Brown, Calhoun, Greene, Jersey, Pike | 28 hr |
| Feb 26, 2:03 AM CST | Red Flag Warning | ILX | Cass, Fulton, Knox, Logan, McLean, Marshall and 9 more | 16 hr |
| Feb 26, 3:05 AM CST | Red Flag Warning | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 15 hr |
| Feb 26, 12:23 PM CST | Red Flag Warning | LSX | Calhoun | 31 hr |
| Mar 2, 1:41 PM CST | Red Flag Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 28 hr |
| Oct 29, 2:39 AM CDT | Red Flag Warning | ILX | Champaign, DeWitt, Douglas, Edgar, Fulton, Knox and 8 more | 16 hr |
| Oct 29, 2:43 AM CDT | Red Flag Warning | LOT | Cook, DuPage, Ford, Grundy, Iroquois, Kankakee and 4 more | 18 hr |
| Oct 29, 10:12 AM CDT | Red Flag Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bureau County3
- Carroll County3
- Hancock County3
- Henderson County3
- Henry County3
- Jo Daviess County3
- McDonough County3
- Mercer County3
- Putnam County3
- Rock Island County3
- Stephenson County3
- Warren County3
- Whiteside County3
- Calhoun County2
- Fulton County2
- Knox County2
- McLean County2
- Marshall County2
- Peoria County2
- Stark County2
- Tazewell County2
- Woodford County2
- DuPage County2
- Ford County2
- Grundy County2
- Iroquois County2
- Kankakee County2
- Kendall County2
- LaSalle County2
- Livingston County2
- Will County2
- Adams County1
- Brown County1
- Greene County1
- Jersey County1
- Pike County1
- Cass County1
- Logan County1
- Mason County1
- Menard County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.