⚠️ Severe Thunderstorm Warning – Monroe, IL; Jefferson, MO; St. Louis, MO; St. Louis City, MO – Wednesday, September 9, 2026

Severe Thunderstorm Warning issued September 9 at 11:37PM CDT until September 10 at 12:15AM CDT by NWS St Louis MO

Details

SVRLSX

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for…
Northwestern Monroe County in southwestern Illinois…
Northern Jefferson County in east central Missouri…
Southwestern Saint Louis County in east central Missouri…
Saint Louis City in east central Missouri…

* Until 1215 AM CDT.

* At 1137 PM CDT, severe thunderstorms were located along a line from
over Wildwood to near Hillsboro, moving east 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…
Wildwood, Eureka, Ellisville, Ballwin, Manchester, Chesterfield,
Arnold, Town and Country, Kirkwood, Crestwood, Creve Coeur, Webster
Groves, Ladue, Columbia, St. Louis, Richmond Heights, Clayton,
University City and Waterloo.

This includes the following State Parks…
Scott Joplin Historic Site, Route 66 State Park, Castlewood State
Park, Mastodon Historic Site, Sandy Creek Covered Bridge Historic
Site and Gov. Dunklin’s Grave Historic Site.

This includes the following highways…
Interstate 44 in Missouri between exits 261 and 277. Interstate 55 in
Missouri between exits 180 and 191.

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.