Alert archive / Illinois / Heat Advisories / 2022
Heat Advisories in Illinois, August 2022
10 heat advisories in August 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in August 2022. Tap one for its archive.
- Heat Advisories
- 10
- Busiest day
- August 2, 20224 heat advisories
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 1, 2:42 AM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Hamilton, Jackson, Jefferson and 7 more | 65 hr |
| Aug 1, 3:24 AM CDT | Heat Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 64 hr |
| Aug 2, 2:44 AM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 17 hr |
| Aug 2, 2:18 PM CDT | Heat Advisory | LOT | Cook, Ford, Grundy, Iroquois, Kankakee, Livingston and 1 more | 25 hr |
| Aug 2, 2:53 PM CDT | Heat Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 27 more | 28 hr |
| Aug 2, 3:00 PM CDT | Heat Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 28 hr |
| Aug 5, 2:46 AM CDT | Heat Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 42 hr |
| Aug 5, 2:51 AM CDT | Heat Advisory | LSX | Adams, Brown, Calhoun, Greene, Jersey, Madison and 3 more | 4 days |
| Aug 5, 2:45 PM CDT | Heat Advisory | ILX | Cass, Fulton, Knox, Logan, Marshall, Mason and 9 more | 29 hr |
| Aug 6, 12:21 PM CDT | Heat Advisory | LOT | Boone, DeKalb, LaSalle, Lee, Ogle, Winnebago | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County3
- Brown County3
- Calhoun County3
- Greene County3
- Jersey County3
- Madison County3
- Monroe County3
- Pike County3
- Saint Clair County3
- Bond County2
- Clinton County2
- Fayette County2
- Macoupin County2
- Marion County2
- Montgomery County2
- Randolph County2
- Washington County2
- Hancock County2
- Henderson County2
- McDonough County2
- Mercer County2
- Rock Island County2
- Warren County2
- Cass County2
- Fulton County2
- Logan County2
- Marshall County2
- Mason County2
- Menard County2
- Morgan County2
- Peoria County2
- Sangamon County2
- Schuyler County2
- Scott County2
- Tazewell County2
- Woodford County2
- Alexander County1
- Edwards County1
- Franklin County1
- Hamilton County1
51 more counties
- Jackson County1
- Jefferson County1
- Johnson County1
- Perry County1
- Pulaski County1
- Union County1
- Wabash County1
- Wayne County1
- Williamson County1
- Cook County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kankakee County1
- Livingston County1
- Will County1
- Champaign County1
- Christian County1
- Clark County1
- Clay County1
- Coles County1
- Crawford County1
- Cumberland County1
- DeWitt County1
- Douglas County1
- Edgar County1
- Effingham County1
- Jasper County1
- Lawrence County1
- McLean County1
- Macon County1
- Moultrie County1
- Piatt County1
- Richland County1
- Shelby County1
- Vermilion County1
- Bureau County1
- Carroll County1
- Henry County1
- Jo Daviess County1
- Putnam County1
- Stephenson County1
- Whiteside County1
- Knox County1
- Stark County1
- Boone County1
- DeKalb County1
- LaSalle County1
- Lee County1
- Ogle County1
- Winnebago County1
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.