Severe Thunderstorm Warning — Jefferson County, Missouri
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued September 9 at 11:53PM CDT until September 10 at 12:15AM CDT by NWS St Louis MO
At 1153 PM CDT, severe thunderstorms were located along a line from over Town and Country to over Pevely, or along a line from over Des Peres to over Pevely, 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, Ellisville, Ballwin, Manchester, Arnold, Sunset Hills, 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 266 and 277. Interstate 55 in Missouri between exits 180 and 191.
Effective September 10, 2026 at 12:53 AM ET · Expires September 10, 2026 at 1:15 AM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS St Louis MO
Expires
September 10, 2026 at 1:15 AM ET
Last Checked
6 hours ago
What To Do
📋 Official NWS Guidance
Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Missouri
Flood Advisory
Flood Advisory
Flood Advisory
Flood Advisory
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Get Severe Thunderstorm Warning Alerts for Jefferson County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Jefferson County, Missouri?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (6 hours ago). It's set to expire September 10, 2026 at 1:15 AM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Jefferson County?
Download StormCast free on Google Play and set Jefferson County, Missouri as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for St. Louis City County, Monroe County, St. Louis County.