Alert archive / Illinois / Heat Advisories / 2021
Heat Advisories in Illinois, June 2021
3 heat advisories in June 2021. 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 June 2021. Tap one for its archive.
- Heat Advisories
- 3
- Busiest day
- June 17, 20213 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 |
|---|---|---|---|---|
| Jun 17, 2:12 PM CDT | Heat Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more | 3 days |
| Jun 17, 2:45 PM CDT | Heat Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 19 more | 28 hr |
| Jun 17, 3:10 PM CDT | Heat Advisory | PAH | Edwards, Franklin, Hamilton, Jackson, Jefferson, Perry and 4 more | 28 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County1
- Calhoun County1
- Clinton County1
- Fayette County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Pike County1
- Randolph County1
- Saint Clair County1
- Washington 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
- Jasper County1
- Lawrence County1
- Logan County1
- Macon County1
- Menard County1
- Morgan County1
- Moultrie County1
- Piatt County1
- Richland County1
- Sangamon County1
- Scott County1
- Shelby County1
- Vermilion County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.