Alert archive / Illinois / Heat Advisories / 2024

Heat Advisories in Illinois, August 2024

8 heat advisories in August 2024. 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 2024. Tap one for its archive.

Heat Advisories
8
Busiest day
August 25, 20245 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.

IssuedProductOfficeCountiesLasted
Aug 5, 11:02 AM CDTHeat AdvisoryDVNBureau, Carroll, Hancock, Henderson, Henry, McDonough and 5 more9 hr
Aug 5, 2:04 PM CDTHeat AdvisoryLSXBond, Calhoun, Clinton, Fayette, Jersey, Madison and 5 more28 hr
Aug 24, 2:08 PM CDTHeat AdvisoryDVNHancock, Henderson30 hr
Aug 25, 2:27 AM CDTHeat AdvisoryILXCass, Logan, McLean, Marshall, Mason, Menard and 5 more42 hr
Aug 25, 2:39 AM CDTHeat AdvisoryLSXAdams, Brown, Calhoun, Pike65 hr
Aug 25, 3:35 AM CDTHeat AdvisoryLOTBoone, DeKalb, DuPage, Grundy, Kane, Kendall and 8 more40 hr
Aug 25, 2:17 PM CDTHeat AdvisoryLSXBond, Clinton, Fayette, Greene, Jersey, Macoupin and 7 more5 days
Aug 25, 2:22 PM CDTHeat AdvisoryILXChristian, Clark, Clay, Coles, Crawford, Cumberland and 8 more54 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

27 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20232025

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.