Alert archive / Illinois / Heat Advisories / 2018
Heat Advisories in Illinois, August 2018
7 heat advisories in August 2018. 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 2018. Tap one for its archive.
- Heat Advisories
- 7
- Busiest day
- August 26, 20184 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 |
|---|---|---|---|---|
| Aug 24, 3:33 PM CDT | Heat Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 4 days |
| Aug 25, 1:41 PM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 5 hr |
| Aug 26, 3:03 AM CDT | Heat Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 64 hr |
| Aug 26, 3:07 AM CDT | Heat Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Livingston | 16 hr |
| Aug 26, 4:09 AM CDT | Heat Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 63 hr |
| Aug 26, 2:56 PM CDT | Heat Advisory | LOT | DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 6 more | 28 hr |
| Aug 28, 1:00 PM CDT | Heat Advisory | LOT | Ford, Iroquois, Kankakee, Livingston | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Ford County3
- Iroquois County3
- Kankakee County3
- Livingston County3
- Hancock County2
- Henderson County2
- McDonough County2
- Mercer County2
- Rock Island County2
- Warren County2
- Grundy County2
- LaSalle County2
- Adams County1
- Bond County1
- Brown 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
- Bureau County1
- Carroll County1
- Henry County1
- Jo Daviess County1
- Putnam County1
- Stephenson County1
- Whiteside County1
- Cass County1
- Champaign County1
- Christian County1
- Clark County1
37 more counties
- Clay County1
- Coles County1
- Crawford County1
- Cumberland County1
- DeWitt County1
- Douglas County1
- Edgar County1
- Effingham County1
- Fulton County1
- Jasper County1
- Knox County1
- Lawrence County1
- Logan County1
- McLean County1
- Macon County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Moultrie County1
- Peoria County1
- Piatt County1
- Richland County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Shelby County1
- Stark County1
- Tazewell County1
- Vermilion County1
- Woodford County1
- DeKalb County1
- DuPage County1
- Kane County1
- Kendall County1
- Lee County1
- Ogle County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.