Alert archive / Illinois / Saint Clair County / Flood Watches
Flood Watches in Saint Clair County, Illinois, 2026
6 flood watches in 2026. An alert counts here when it covered this county. The archive of flood watches reaches back to 2005.
Saint Clair County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Flood Watches
- 6
- Busiest month
- June3 flood watches
- Busiest day
- April 27, 20261 flood watches
Over time
By month
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 | Lasted |
|---|---|---|---|
| Apr 27, 11:18 AM CDT | Flood Watch | LSX | 10 hr |
| May 18, 1:12 AM CDT | Flood Watch | LSX | 35 hr |
| Jun 7, 1:26 PM CDT | Flood Watch | LSX | 40 hr |
| Jun 20, 1:28 AM CDT | Flood Watch | LSX | 45 hr |
| Jun 24, 11:53 AM CDT | Flood Watch | LSX | 62 hr |
| Aug 5, 1:57 AM CDT | Flood Watch | LSX | 35 hr |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.