Alert archive / Illinois / Saint Clair County / 2026
Weather alerts in Saint Clair County, Illinois, July 2026
16 weather alerts in July 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 16
- Warnings
- 5
- Watches
- 3
- Advisories
- 4
- Busiest day
- July 11, 20265 alerts
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 | Lasted |
|---|---|---|---|
| Jul 4, 12:17 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 4, 2:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 4, 4:42 PM CDT | Severe Thunderstorm Warning | LSX | 63 min |
| Jul 4, 4:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 4:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 10, 6:42 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 10, 7:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 10, 8:40 PM CDT | Severe Thunderstorm Warning | LSX | 50 min |
| Jul 10, 9:07 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Jul 10, 9:30 PM CDT | Flash Flood Warning | LSX | 6 hr |
| Jul 10, 9:58 PM CDT | Flash Flood Warning | LSX | 4 hr |
| Jul 17, 11:01 AM CDT | Heat Advisory | LSX | 4 days |
| Jul 24, 1:12 AM CDT | Extreme Heat Watch | LSX | 11 hr |
| Jul 24, 12:15 PM CDT | Heat Advisory | LSX | 47 hr |
| Jul 26, 12:40 AM CDT | Extreme Heat Warning | LSX | 66 hr |
| Jul 31, 9:57 AM CDT | Areal Flood Advisory | LSX | 3 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 2 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 4 |
| Flooding | |
| Flash Flood Warning | 2 |
| Areal Flood Advisory | 2 |
| Heat | |
| Extreme Heat Warning | 1 |
| Extreme Heat Watch | 1 |
| Heat Advisory | 2 |
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.