Alert archive / Illinois / Heat Advisories

Heat Advisories in Illinois, 2011

48 heat advisories in 2011. 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 2011. Tap one for its archive.

Heat Advisories: 48
Busiest month: July29 heat advisories
Busiest day: July 27, 20115 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
Jun 3, 4:10 PM CDT	Heat Advisory	PAH	Alexander, Massac, Pulaski	26 hr
Jun 4, 3:45 AM CDT	Heat Advisory	LSX	Madison, Saint Clair	5 days
Jun 6, 3:28 AM CDT	Heat Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more	64 hr
Jun 29, 4:09 PM CDT	Heat Advisory	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 5 more	4 days
Jun 30, 3:05 AM CDT	Heat Advisory	ILX	Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more	41 hr
Jun 30, 3:55 AM CDT	Heat Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	44 hr
Jun 30, 10:59 AM CDT	Heat Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kankakee and 8 more	34 hr
Jul 2, 2:39 PM CDT	Heat Advisory	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 11 more	5 hr
Jul 3, 10:51 AM CDT	Heat Advisory	PAH	Alexander, Franklin, Hardin, Jackson, Johnson, Massac and 6 more	7 hr
Jul 8, 3:17 PM CDT	Heat Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	4 days
Jul 9, 3:09 PM CDT	Heat Advisory	PAH	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more	27 hr
Jul 10, 3:02 AM CDT	Heat Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	40 hr
Jul 10, 1:28 PM CDT	Heat Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	25 hr
Jul 10, 1:58 PM CDT	Heat Advisory	DVN	Hancock, Henderson, McDonough, Mercer, Warren	5 hr
Jul 11, 3:12 AM CDT	Heat Advisory	DVN	Hancock, Henderson, McDonough, Mercer, Warren	16 hr
Jul 11, 4:17 AM CDT	Heat Advisory	LOT	Ford, Iroquois, Kankakee, Livingston	15 hr
Jul 17, 3:38 AM CDT	Heat Advisory	LOT	Boone, DeKalb, Ford, LaSalle, Lee, Livingston and 2 more	16 hr
Jul 17, 3:40 PM CDT	Heat Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	60 hr
Jul 18, 3:06 PM CDT	Heat Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	19 hr
Jul 22, 3:50 AM CDT	Heat Advisory	LOT	DuPage	7 hr
Jul 22, 3:59 PM CDT	Heat Advisory	DVN	Carroll, Jo Daviess, Stephenson	23 hr
Jul 23, 3:40 AM CDT	Heat Advisory	LOT	DeKalb, Grundy, Kane, Kendall, LaSalle, Lee and 2 more	32 hr
Jul 25, 4:12 PM CDT	Heat Advisory	LSX	Adams, Bond, Brown, Clinton, Fayette, Greene and 5 more	9 days
Jul 26, 10:53 AM CDT	Heat Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more	10 hr
Jul 27, 3:26 AM CDT	Heat Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	40 hr
Jul 27, 3:44 AM CDT	Heat Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more	18 hr
Jul 27, 12:12 PM CDT	Heat Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	7 hr
Jul 27, 12:12 PM CDT	Heat Advisory	LOT	Ford, Grundy, Iroquois, Kankakee, LaSalle, Livingston	7 hr
Jul 27, 2:50 PM CDT	Heat Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	28 hr
Jul 28, 4:04 AM CDT	Heat Advisory	LOT	DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 6 more	17 hr
Jul 28, 12:03 PM CDT	Heat Advisory	DVN	Hancock, Henderson, McDonough, Mercer, Warren	10 hr
Jul 29, 3:27 AM CDT	Heat Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Jackson, Jefferson and 6 more	16 hr
Jul 29, 10:32 AM CDT	Heat Advisory	ILX	Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more	8 hr
Jul 31, 3:54 AM CDT	Heat Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	66 hr
Jul 31, 1:26 PM CDT	Heat Advisory	PAH	Alexander, Franklin, Jackson, Jefferson, Johnson, Massac and 4 more	5 hr
Jul 31, 2:42 PM CDT	Heat Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	52 hr
Aug 1, 3:32 AM CDT	Heat Advisory	LOT	Ford, Iroquois, Livingston	16 hr
Aug 1, 4:11 AM CDT	Heat Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	63 hr
Aug 2, 3:38 AM CDT	Heat Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	20 hr
Aug 5, 4:10 AM CDT	Heat Advisory	LSX	Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more	63 hr
Aug 5, 2:20 PM CDT	Heat Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	53 hr
Aug 23, 3:35 AM CDT	Heat Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	39 hr
Aug 24, 3:14 AM CDT	Heat Advisory	ILX	Cass, Christian, Fulton, Logan, Mason, Menard and 4 more	15 hr
Aug 24, 3:55 AM CDT	Heat Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 2 more	12 hr
Aug 30, 4:15 PM CDT	Heat Advisory	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 5 more	4 days
Sep 1, 10:40 AM CDT	Heat Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more	32 hr
Sep 2, 3:42 AM CDT	Heat Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	14 hr
Sep 2, 4:02 AM CDT	Heat Advisory	LOT	Ford, Iroquois, Kankakee, Livingston	15 hr

By county

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

60 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 2010 2012

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.