Alert archive / Illinois / Excessive Heat Warnings
Excessive Heat Warnings in Illinois, 2022
10 excessive heat warnings in 2022. 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Excessive Heat Warnings
- 10
- Busiest month
- June5 excessive heat warnings
- Busiest day
- June 14, 20223 excessive heat 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 |
|---|---|---|---|---|
| Jun 12, 8:00 PM CDT | Excessive Heat Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 4 days |
| Jun 13, 2:58 AM CDT | Excessive Heat Warning | LSX | Bond, Clinton, Fayette, Greene, Jersey, Macoupin and 7 more | 4 days |
| Jun 14, 2:58 AM CDT | Excessive Heat Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 41 hr |
| Jun 14, 3:03 AM CDT | Excessive Heat Warning | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 65 hr |
| Jun 14, 3:46 AM CDT | Excessive Heat Warning | LOT | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more | 40 hr |
| Jul 4, 2:39 PM CDT | Excessive Heat Warning | LSX | Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more | 4 days |
| Jul 5, 3:29 AM CDT | Excessive Heat Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 4 days |
| Jul 5, 1:09 PM CDT | Excessive Heat Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 7 hr |
| Jul 20, 1:47 PM CDT | Excessive Heat Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 7 hr |
| Aug 6, 12:22 PM CDT | Excessive Heat Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 9 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County3
- Edwards County3
- Franklin County3
- Gallatin County3
- Hamilton County3
- Hardin County3
- Jackson County3
- Jefferson County3
- Johnson County3
- Massac County3
- Perry County3
- Pope County3
- Pulaski County3
- Saline County3
- Union County3
- Wabash County3
- Wayne County3
- White County3
- Williamson County3
- 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
- Bond County2
- Clinton County2
- Fayette County2
- Madison County2
- Marion County2
- Monroe County2
- Randolph County2
- Saint Clair County2
54 more counties
- Washington County2
- Greene County1
- Jersey County1
- Macoupin County1
- Montgomery County1
- Cass County1
- Champaign County1
- Christian County1
- Clark County1
- Clay County1
- Coles County1
- Crawford County1
- Cumberland County1
- DeWitt County1
- Douglas County1
- Edgar County1
- Effingham County1
- Fulton County1
- Jasper County1
- Knox County1
- Lawrence County1
- Logan County1
- McLean County1
- Macon County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Moultrie County1
- Peoria County1
- Piatt County1
- Richland County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Shelby County1
- Stark County1
- Tazewell County1
- Vermilion County1
- Woodford County1
- Cook County1
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kane County1
- Kankakee County1
- Kendall County1
- LaSalle County1
- Lee County1
- Livingston County1
- Ogle County1
- Will County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.