Alert archive / Illinois / Excessive Heat Warnings
Excessive Heat Warnings in Illinois, 2010
12 excessive heat warnings in 2010. 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 2010. Tap one for its archive.
- Excessive Heat Warnings
- 12
- Busiest month
- August9 excessive heat warnings
- Busiest day
- August 3, 20102 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 19, 2:42 AM CDT | Excessive Heat Warning | LSX | Madison, Monroe, Saint Clair | 5 days |
| Jul 23, 3:57 AM CDT | Excessive Heat Warning | LSX | Madison, Monroe, Saint Clair | 40 hr |
| Jul 24, 2:51 AM CDT | Excessive Heat Warning | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 19 more | 16 hr |
| Aug 2, 3:08 PM CDT | Excessive Heat Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 61 hr |
| Aug 3, 4:43 AM CDT | Excessive Heat Warning | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more | 39 hr |
| Aug 3, 12:40 PM CDT | Excessive Heat Warning | ILX | Cass, Christian, Clark, Clay, Coles, Crawford and 18 more | 6 hr |
| Aug 3, 7:22 PM CDT | Excessive Heat Warning | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 21 more | 24 hr |
| Aug 8, 3:55 AM CDT | Excessive Heat Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 7 days |
| Aug 8, 3:22 PM CDT | Excessive Heat Warning | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 6 days |
| Aug 9, 3:19 PM CDT | Excessive Heat Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 5 days |
| Aug 11, 3:14 PM CDT | Excessive Heat Warning | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more | 50 hr |
| Aug 11, 3:37 PM CDT | Excessive Heat Warning | LOT | Ford, Iroquois, Livingston | 51 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Madison County4
- Monroe County4
- Saint Clair County4
- Cass County4
- Christian County4
- Clark County4
- Clay County4
- Coles County4
- Crawford County4
- Cumberland County4
- Douglas County4
- Edgar County4
- Effingham County4
- Jasper County4
- Lawrence County4
- Logan County4
- Macon County4
- Menard County4
- Morgan County4
- Moultrie County4
- Richland County4
- Sangamon County4
- Scott County4
- Shelby County4
- Champaign County3
- DeWitt County3
- Piatt County3
- Vermilion County3
- Mason County3
- Schuyler County3
- Alexander County2
- Edwards County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Hardin County2
- Jackson County2
- Jefferson County2
- Johnson County2
- Massac County2
41 more counties
- Perry County2
- Pope County2
- Pulaski County2
- Saline County2
- Union County2
- Wabash County2
- Wayne County2
- White County2
- Williamson County2
- Bond County2
- Calhoun County2
- Clinton County2
- Fayette County2
- Greene County2
- Jersey County2
- Macoupin County2
- Marion County2
- Montgomery County2
- Pike County2
- Randolph County2
- Washington County2
- Fulton County2
- Adams County1
- Brown County1
- Knox County1
- McLean County1
- Marshall County1
- Peoria County1
- Stark County1
- Tazewell County1
- Woodford County1
- Hancock County1
- Henderson County1
- Henry County1
- McDonough County1
- Mercer County1
- Rock Island County1
- Warren County1
- Ford County1
- Iroquois County1
- Livingston County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.