August 17, 2026

Midwest Storm Chasers

Live Weather Coverage & Severe Storm Reporting

⚠️ Severe Thunderstorm Warning – Franklin, MO; St. Charles, MO; St. Louis, MO; Warren, MO – Sunday, August 16, 2026

Event Severe Thunderstorm Warning
Severity Severe
Urgency Immediate
Certainty Observed
Area Franklin, MO; St. Charles, MO; St. Louis, MO; Warren, MO
Effective 8/16/2026, 9:06:00 PM CDT
Expires 8/16/2026, 9:45:00 PM CDT

Severe Thunderstorm Warning issued August 16 at 9:06PM CDT until August 16 at 9:45PM CDT by NWS St Louis MO

Details

SVRLSX

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for…
Northeastern Franklin County in east central Missouri…
Southwestern Saint Charles County in east central Missouri…
West Central Saint Louis County in east central Missouri…
Southeastern Warren County in east central Missouri…

* Until 945 PM CDT.

* At 906 PM CDT, a severe thunderstorm was located near Marthasville,
or near Washington, moving east at 35 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

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

* Locations impacted include…
Washington, Marthasville, Dutzow, Augusta, New Melle, Gray Summit,
Matson, Defiance, Pacific, Lake St. Louis, Wildwood, Weldon Spring
Heights, O’Fallon and Dardenne Prairie.

This includes the following State Parks…
Babler Memorial State Park.

Instructions

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.


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