Alert archive / Illinois / Severe Thunderstorm Watches / 2019
Severe Thunderstorm Watches in Illinois, August 2019
7 severe thunderstorm watches in August 2019. 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 August 2019. Tap one for its archive.
- Severe Thunderstorm Watches
- 7
- Busiest day
- August 18, 20192 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 |
|---|---|---|---|---|
| Aug 6, 1:49 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 28 more | 7 hr |
| Aug 18, 6:06 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 18 more | 6 hr |
| Aug 18, 1:05 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 23 more | 8 hr |
| Aug 20, 6:18 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Bureau, Calhoun, Carroll and 69 more | 11 hr |
| Aug 20, 1:53 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 5 hr |
| Aug 26, 2:51 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Jackson, Monroe, Perry, Pulaski, Randolph and 3 more | 4 hr |
| Aug 30, 3:44 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Clinton, Madison, Monroe, Randolph, Saint Clair and 1 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Monroe County5
- Randolph County5
- Saint Clair County5
- Washington County5
- Bond County4
- Clinton County4
- Jackson County4
- Perry County4
- Union County4
- Alexander County3
- Clay County3
- Crawford County3
- Edwards County3
- Effingham County3
- Fayette County3
- Franklin County3
- Hamilton County3
- Jasper County3
- Jefferson County3
- Lawrence County3
- Madison County3
- Marion County3
- Pulaski County3
- Richland County3
- Wabash County3
- Wayne County3
- White County3
- Williamson County3
- Gallatin County2
- Hardin County2
- Johnson County2
- Massac County2
- Pope County2
- Saline County2
- Bureau County2
- Carroll County2
- DeKalb County2
- Grundy County2
- Henry County2
- Kane County2
62 more counties
- Kankakee County2
- Kendall County2
- LaSalle County2
- Lee County2
- Mercer County2
- Ogle County2
- Putnam County2
- Rock Island County2
- Whiteside County2
- Will County2
- Clark County2
- Coles County2
- Cumberland County2
- Edgar County2
- Boone County1
- Cook County1
- DuPage County1
- Jo Daviess County1
- Lake County1
- McHenry County1
- Stephenson County1
- Winnebago County1
- Adams County1
- Brown County1
- Calhoun County1
- Cass County1
- Champaign County1
- Christian County1
- DeWitt County1
- Douglas County1
- Ford County1
- Fulton County1
- Greene County1
- Hancock County1
- Henderson County1
- Iroquois County1
- Jersey County1
- Knox County1
- Livingston County1
- Logan County1
- McDonough County1
- McLean County1
- Macon County1
- Macoupin County1
- Marshall County1
- Mason County1
- Menard County1
- Montgomery County1
- Morgan County1
- Moultrie County1
- Peoria County1
- Piatt County1
- Pike County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Shelby County1
- Stark County1
- Tazewell County1
- Vermilion County1
- Warren County1
- Woodford County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.