Alert archive / Illinois / Severe Thunderstorm Watches / 2018
Severe Thunderstorm Watches in Illinois, July 2018
3 severe thunderstorm watches 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in July 2018. Tap one for its archive.
- Severe Thunderstorm Watches
- 3
- Busiest day
- July 1, 20181 severe thunderstorm watches
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 1, 12:58 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Boone, Bureau, Cass, Champaign, Christian and 49 more | 7 hr |
| Jul 13, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | Jo Daviess, Stephenson | 6 hr |
| Jul 19, 6:49 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 26 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County2
- Cass County2
- Christian County2
- Cumberland County2
- Effingham County2
- Fayette County2
- Fulton County2
- Greene County2
- Macoupin County2
- Mason County2
- Menard County2
- Montgomery County2
- Morgan County2
- Sangamon County2
- Schuyler County2
- Scott County2
- Shelby County2
- Boone County1
- Bureau County1
- Champaign County1
- Clark County1
- Coles County1
- Cook County1
- DeKalb County1
- DeWitt County1
- Douglas County1
- DuPage County1
- Edgar County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kane County1
- Kankakee County1
- Kendall County1
- Knox County1
- Lake County1
- LaSalle County1
- Lee County1
- Livingston County1
- Logan County1
32 more counties
- McHenry County1
- McLean County1
- Macon County1
- Marshall County1
- Moultrie County1
- Ogle County1
- Peoria County1
- Piatt County1
- Putnam County1
- Stark County1
- Tazewell County1
- Vermilion County1
- Will County1
- Winnebago County1
- Woodford County1
- Jo Daviess County1
- Stephenson County1
- Adams County1
- Brown County1
- Calhoun County1
- Clay County1
- Clinton County1
- Hancock County1
- Jasper County1
- Jersey County1
- McDonough County1
- Madison County1
- Marion County1
- Pike County1
- Richland County1
- Saint Clair County1
- Washington 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.