Alert archive / Illinois / Red Flag Warnings
Red Flag Warnings in Illinois, 2015
6 red flag warnings in 2015. 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 2015. Tap one for its archive.
- Red Flag Warnings
- 6
- Busiest month
- October4 red flag warnings
- Busiest day
- October 19, 20153 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 |
|---|---|---|---|---|
| Apr 1, 3:42 AM CDT | Red Flag Warning | DVN | Henderson, Mercer, Rock Island | 15 hr |
| Apr 15, 10:47 AM CDT | Red Flag Warning | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Livingston and 1 more | 8 hr |
| Oct 18, 2:15 PM CDT | Red Flag Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 29 hr |
| Oct 19, 3:23 AM CDT | Red Flag Warning | LOT | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 16 hr |
| Oct 19, 3:24 AM CDT | Red Flag Warning | ILX | Champaign, DeWitt, Fulton, Knox, Logan, McLean and 9 more | 16 hr |
| Oct 19, 3:28 AM CDT | Red Flag Warning | LSX | Adams, Brown, Pike | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henderson County2
- Mercer County2
- Rock Island County2
- Ford County2
- Grundy County2
- Iroquois County2
- Kankakee County2
- LaSalle County2
- Livingston County2
- Will County2
- Bureau County1
- Carroll County1
- Hancock County1
- Henry County1
- Jo Daviess County1
- McDonough County1
- Putnam County1
- Stephenson County1
- Warren County1
- Whiteside County1
- Boone County1
- Cook County1
- DeKalb County1
- DuPage County1
- Kane County1
- Kendall County1
- Lake County1
- Lee County1
- McHenry County1
- Ogle County1
- Winnebago County1
- Champaign County1
- DeWitt County1
- Fulton County1
- Knox County1
- Logan County1
- McLean County1
- Marshall County1
- Mason County1
- Peoria County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.