Alert archive / Illinois / Heat Advisories / 2018
Heat Advisories in Illinois, July 2018
12 heat advisories in July 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 July 2018. Tap one for its archive.
- Heat Advisories
- 12
- Busiest day
- July 3, 20185 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 |
|---|---|---|---|---|
| Jul 3, 2:39 AM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 65 hr |
| Jul 3, 3:05 AM CDT | Heat Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 64 hr |
| Jul 3, 3:31 AM CDT | Heat Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 64 hr |
| Jul 3, 2:38 PM CDT | Heat Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 9 more | 49 hr |
| Jul 3, 3:48 PM CDT | Heat Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 28 hr |
| Jul 5, 2:28 AM CDT | Heat Advisory | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 2 more | 17 hr |
| Jul 11, 2:48 AM CDT | Heat Advisory | PAH | Alexander, Massac, Pulaski | 17 hr |
| Jul 12, 3:35 AM CDT | Heat Advisory | LSX | Adams, Bond, Calhoun, Clinton, Fayette, Greene and 10 more | 64 hr |
| Jul 13, 3:37 AM CDT | Heat Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 5 more | 15 hr |
| Jul 14, 2:38 AM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 17 hr |
| Jul 14, 3:09 AM CDT | Heat Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 20 more | 13 hr |
| Jul 19, 3:35 PM CDT | Heat Advisory | PAH | Alexander, Pulaski | 27 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County4
- Pulaski County4
- Massac County3
- Bureau County3
- Hancock County3
- Henderson County3
- Henry County3
- McDonough County3
- Mercer County3
- Putnam County3
- Warren County3
- Edwards County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Hardin County2
- Jackson County2
- Jefferson County2
- Johnson County2
- Perry County2
- Pope County2
- Saline County2
- Union County2
- Wabash County2
- Wayne County2
- White County2
- Williamson County2
- Cass County2
- Champaign County2
- Christian County2
- Clark County2
- Clay County2
- Coles County2
- Crawford County2
- Cumberland County2
- DeWitt County2
- Douglas County2
- Edgar County2
- Effingham County2
- Jasper County2
59 more counties
- Lawrence County2
- Logan County2
- Macon County2
- Mason County2
- Menard County2
- Morgan County2
- Moultrie County2
- Piatt County2
- Richland County2
- Sangamon County2
- Scott County2
- Shelby County2
- Vermilion County2
- Adams County2
- Bond County2
- Calhoun County2
- Clinton County2
- Fayette County2
- Greene County2
- Jersey County2
- Macoupin County2
- Madison County2
- Marion County2
- Monroe County2
- Montgomery County2
- Pike County2
- Randolph County2
- Saint Clair County2
- Washington County2
- Carroll County2
- Rock Island County2
- Whiteside County2
- Fulton County1
- Knox County1
- McLean County1
- Marshall County1
- Peoria County1
- Schuyler County1
- Stark County1
- Tazewell County1
- Woodford County1
- Brown County1
- Boone County1
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kane County1
- Kankakee County1
- Kendall County1
- LaSalle County1
- Lee County1
- Livingston County1
- McHenry County1
- Ogle County1
- Winnebago County1
- Jo Daviess County1
- Stephenson 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.