Alert archive / Illinois / Heat Advisories
Heat Advisories in Illinois, 2016
15 heat advisories in 2016. 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 2016. Tap one for its archive.
- Heat Advisories
- 15
- Busiest month
- June6 heat advisories
- Busiest day
- June 23, 20162 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 14, 3:33 AM CDT | Heat Advisory | LSX | Clinton, Madison, Monroe, Randolph, Saint Clair, Washington | 63 hr |
| Jun 15, 2:36 PM CDT | Heat Advisory | PAH | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 9 more | 28 hr |
| Jun 21, 3:06 PM CDT | Heat Advisory | LSX | Adams, Calhoun, Jersey, Madison, Monroe, Pike and 1 more | 30 hr |
| Jun 22, 4:23 AM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Warren | 15 hr |
| Jun 23, 3:17 AM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 16 hr |
| Jun 23, 4:04 AM CDT | Heat Advisory | LSX | Madison, Monroe, Randolph, Saint Clair, Washington | 15 hr |
| Jul 18, 3:04 AM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 7 days |
| Jul 18, 3:54 AM CDT | Heat Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 48 hr |
| Jul 20, 12:47 PM CDT | Heat Advisory | LOT | Boone, DeKalb, DuPage, Kane, Kendall, Lake and 2 more | 3 days |
| Jul 24, 3:27 AM CDT | Heat Advisory | LOT | DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 6 more | 16 hr |
| Jul 24, 4:08 AM CDT | Heat Advisory | DVN | Carroll, Jo Daviess, Stephenson | 15 hr |
| Aug 4, 1:05 PM CDT | Heat Advisory | PAH | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 5 more | 30 hr |
| Aug 10, 3:05 PM CDT | Heat Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Greene and 8 more | 29 hr |
| Aug 11, 11:30 AM CDT | Heat Advisory | ILX | Cass, Christian, Fulton, Knox, Logan, Marshall and 10 more | 7 hr |
| Sep 5, 3:05 PM CDT | Heat Advisory | LSX | Madison, Saint Clair | 51 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Madison County6
- Saint Clair County6
- Monroe County5
- Washington County4
- Alexander County4
- Gallatin County4
- Hardin County4
- Johnson County4
- Massac County4
- Pope County4
- Pulaski County4
- Saline County4
- Union County4
- White County4
- Williamson County4
- Clinton County3
- Randolph County3
- Franklin County3
- Hamilton County3
- Jackson County3
- Perry County3
- Adams County3
- Calhoun County3
- Jersey County3
- Pike County3
- Edwards County2
- Jefferson County2
- Wabash County2
- Wayne County2
- Bond County2
- Brown County2
- Greene County2
- Macoupin County2
- Montgomery County2
- DeKalb County2
- DuPage County2
- Kane County2
- Kendall County2
- Hancock County1
- Henderson County1
35 more counties
- McDonough County1
- Warren County1
- Fayette County1
- Marion County1
- Boone County1
- Lake County1
- McHenry County1
- Winnebago County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kankakee County1
- LaSalle County1
- Lee County1
- Livingston County1
- Ogle County1
- Carroll County1
- Jo Daviess County1
- Stephenson County1
- Cass County1
- Christian County1
- Fulton County1
- Knox County1
- Logan County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Stark County1
- Tazewell County1
- Woodford County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.