Alert archive / Illinois / Tornado Watches / 2021
Tornado Watches in Illinois, July 2021
2 tornado watches in July 2021. 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in July 2021. Tap one for its archive.
- Tornado Watches
- 2
- Busiest day
- July 10, 20211 tornado 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 9, 8:18 PM CDT | Tornado Watch | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 9 more | 6 hr |
| Jul 14, 6:13 PM CDT | Tornado Watch | SPC | Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County1
- Brown County1
- Calhoun County1
- Cass County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Monroe County1
- Morgan County1
- Pike County1
- Randolph County1
- Saint Clair County1
- Schuyler County1
- Scott County1
- Carroll County1
- Jo Daviess County1
- Rock Island County1
- Stephenson County1
- Whiteside County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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. Rebuilt daily.