⚠️ Severe Thunderstorm Warning – Ste. Genevieve, MO; St. Francois, MO; Washington, MO – Wednesday, August 12, 2026

Severe Thunderstorm Warning issued August 12 at 6:10PM CDT until August 12 at 7:15PM CDT by NWS St Louis MO

Details

SVRLSX

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for…
Washington County in east central Missouri…
Western Sainte Genevieve County in southeastern Missouri…
Saint Francois County in southeastern Missouri…

* Until 715 PM CDT.

* At 610 PM CDT, severe thunderstorms were located along a line from
over Hillsboro to over Anthonies Mill, moving southeast at 35 mph.

HAZARD…60 mph wind gusts and small hail.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

* Locations impacted include…
Old Mines, Mineral Point, Potosi, Bonne Terre, Leadwood, Park
Hills, Desloge, Frankclay, Courtois, Irondale, Leadington,
Bloomsdale, Farmington, Bismarck, Caledonia, Rocky Ridge, Iron
Mountain Lake, Iron Mountain, Weingarten and Knob Lick.

This includes the following State Parks…
St. Joe State Park, St. Francois State Park and Missouri Mines
Historic Site.

This includes Interstate 55 in Missouri between exits 154 and 162.

Instructions

Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.