Alert archive / Illinois / Red Flag Warnings
Red Flag Warnings in Illinois, 2017
8 red flag warnings in 2017. 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 2017. Tap one for its archive.
- Red Flag Warnings
- 8
- Busiest month
- March6 red flag warnings
- Busiest day
- March 8, 20174 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 16, 3:37 AM CST | Red Flag Warning | LSX | Adams, Calhoun, Pike | 14 hr |
| Mar 7, 3:32 AM CST | Red Flag Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 14 hr |
| Mar 7, 4:00 AM CST | Red Flag Warning | LSX | Adams, Brown, Calhoun, Greene, Jersey, Pike | 15 hr |
| Mar 8, 3:30 AM CST | Red Flag Warning | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 1 more | 15 hr |
| Mar 8, 9:35 AM CST | Red Flag Warning | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 10 more | 7 hr |
| Mar 8, 10:21 AM CST | Red Flag Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 8 hr |
| Mar 8, 10:44 AM CST | Red Flag Warning | ILX | Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more | 6 hr |
| Dec 11, 3:04 AM CST | Red Flag Warning | LSX | Monroe, Randolph, Saint Clair | 15 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County3
- Calhoun County3
- Pike County3
- Bureau County2
- Carroll County2
- Hancock County2
- Henderson County2
- Henry County2
- Jo Daviess County2
- McDonough County2
- Mercer County2
- Putnam County2
- Rock Island County2
- Stephenson County2
- Warren County2
- Whiteside County2
- Brown County2
- Greene County2
- Jersey County2
- Macoupin County1
- Boone County1
- Cook County1
- DeKalb County1
- DuPage County1
- Grundy County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- Livingston County1
- McHenry County1
- Ogle County1
- Will County1
- Winnebago County1
- Cass County1
- Fulton County1
- Knox County1
- Logan County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.