Alert archive / Missouri / St. Clair County / 2026
Weather alerts in St. Clair County, Missouri, August 2026
11 weather alerts in August 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 11
- Warnings
- 1
- Watches
- 2
- Advisories
- 2
- Busiest day
- August 19, 20262 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 |
|---|---|---|---|
| Aug 5, 9:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 2:11 AM CDT | Extreme Heat Watch | SGF | 23 hr |
| Aug 9, 1:04 AM CDT | Extreme Heat Warning | SGF | 8 days |
| Aug 16, 3:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 11:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 19, 1:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 20, 5:45 AM CDT | Dense Fog Advisory | SGF | 4 hr |
| Aug 21, 6:57 PM CDT | Special Weather Statement | SGF | 63 min |
| Aug 21, 7:01 PM CDT | Special Weather Statement | EAX | 29 min |
| Aug 30, 12:25 PM CDT | Heat Advisory | SGF | 5 days |
| Aug 30, 12:25 PM CDT | Extreme Heat Watch | SGF | 10 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 | |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 2 |
| Heat | |
| Extreme Heat Warning | 1 |
| Extreme Heat Watch | 2 |
| Heat Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
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.