Alert archive / Illinois / Heat Advisories

Heat Advisories in Illinois, 2022

43 heat advisories 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 heat advisories reaches back to 2005.

Heat Advisories by county

Each county as a circle sized by its count in 2022. Tap one for its archive.

Heat Advisories: 43
Busiest month: July18 heat advisories
Busiest day: June 12, 20225 heat advisories

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
May 11, 10:08 AM CDT	Heat Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more	11 hr
May 12, 2:48 AM CDT	Heat Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	17 hr
Jun 11, 2:02 PM CDT	Heat Advisory	LSX	Calhoun, Clinton, Madison, Monroe, Randolph, Saint Clair and 1 more	31 hr
Jun 11, 2:05 PM CDT	Heat Advisory	PAH	Alexander, Jackson, Perry, Pulaski, Union	30 hr
Jun 12, 2:27 PM CDT	Heat Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	37 hr
Jun 12, 2:27 PM CDT	Heat Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	36 hr
Jun 12, 2:40 PM CDT	Heat Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	3 days
Jun 12, 2:52 PM CDT	Heat Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	5 days
Jun 12, 3:37 PM CDT	Heat Advisory	LOT	Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more	3 days
Jun 15, 2:49 PM CDT	Heat Advisory	ILX	Cass, Christian, Clark, Coles, Crawford, Cumberland and 10 more	29 hr
Jun 16, 7:55 PM CDT	Heat Advisory	PAH	Alexander, Johnson, Massac, Pulaski, Union	24 hr
Jun 20, 2:16 PM CDT	Heat Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	29 hr
Jun 20, 2:23 PM CDT	Heat Advisory	LSX	Adams, Brown, Pike	30 hr
Jun 20, 2:40 PM CDT	Heat Advisory	LOT	Boone, Cook, DeKalb, DuPage, Grundy, Kane and 8 more	29 hr
Jun 20, 2:46 PM CDT	Heat Advisory	ILX	Cass, Fulton, Knox, Marshall, Mason, Morgan and 6 more	29 hr
Jul 3, 1:08 PM CDT	Heat Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	72 hr
Jul 3, 2:02 PM CDT	Heat Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	61 hr
Jul 3, 2:07 PM CDT	Heat Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	3 days
Jul 3, 2:32 PM CDT	Heat Advisory	DVN	Hancock, McDonough	47 hr
Jul 4, 3:30 AM CDT	Heat Advisory	DVN	Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more	34 hr
Jul 4, 2:22 PM CDT	Heat Advisory	LOT	Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more	30 hr
Jul 6, 2:44 PM CDT	Heat Advisory	LSX	Bond, Fayette	6 hr
Jul 8, 3:05 AM CDT	Heat Advisory	LSX	Monroe, Randolph, Saint Clair	17 hr
Jul 18, 1:55 PM CDT	Heat Advisory	PAH	Alexander, Pulaski, Union	30 hr
Jul 19, 3:33 AM CDT	Heat Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	34 hr
Jul 19, 2:27 PM CDT	Heat Advisory	ILX	Clark, Clay, Crawford, Jasper, Lawrence, Richland	28 hr
Jul 21, 2:02 PM CDT	Heat Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	3 days
Jul 21, 2:21 PM CDT	Heat Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	3 days
Jul 22, 3:18 AM CDT	Heat Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	63 hr
Jul 22, 3:26 AM CDT	Heat Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	41 hr
Jul 26, 2:42 AM CDT	Heat Advisory	LSX	Randolph	8 hr
Jul 26, 2:49 AM CDT	Heat Advisory	PAH	Alexander, Jackson, Johnson, Massac, Pulaski, Union and 1 more	13 hr
Jul 27, 2:26 AM CDT	Heat Advisory	PAH	Alexander, Massac, Pulaski	18 hr
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.

62 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2021 2023

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.