Alert archive / Illinois / Severe Thunderstorm Watches / 2017
Severe Thunderstorm Watches in Illinois, March 2017
3 severe thunderstorm watches in March 2017. 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 March 2017. Tap one for its archive.
- Severe Thunderstorm Watches
- 3
- Busiest day
- March 7, 20171 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 |
|---|---|---|---|---|
| Mar 6, 10:35 PM CST | Severe Thunderstorm Watch | SPC | Boone, Champaign, Christian, Coles, Cook, DeKalb and 25 more | 4 hr |
| Mar 9, 5:02 PM CST | Severe Thunderstorm Watch | SPC | Alexander, Johnson, Massac, Pulaski, Union | 5 hr |
| Mar 30, 12:31 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Cass, Champaign, Christian, Clark and 51 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Champaign County2
- Christian County2
- Coles County2
- DeWitt County2
- Douglas County2
- Edgar County2
- Logan County2
- Macon County2
- Moultrie County2
- Piatt County2
- Shelby County2
- Vermilion County2
- Alexander County2
- Johnson County2
- Massac County2
- Pulaski County2
- Union County2
- Boone County1
- Cook County1
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- Livingston County1
- McHenry County1
- McLean County1
- Ogle County1
- Will County1
- Winnebago County1
- Bond County1
- Cass County1
- Clark County1
- Clay County1
36 more counties
- Clinton County1
- Crawford County1
- Cumberland County1
- Edwards County1
- Effingham County1
- Fayette County1
- Franklin County1
- Gallatin County1
- Greene County1
- Hamilton County1
- Hardin County1
- Jackson County1
- Jasper County1
- Jefferson County1
- Jersey County1
- Lawrence County1
- Macoupin County1
- Madison County1
- Marion County1
- Menard County1
- Monroe County1
- Montgomery County1
- Morgan County1
- Perry County1
- Pope County1
- Randolph County1
- Richland County1
- Saint Clair County1
- Saline County1
- Sangamon County1
- Scott County1
- Wabash County1
- Washington County1
- Wayne County1
- White County1
- Williamson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.