Missouri Severe Thunderstorm Warning | Effective 04/27/2026 16:46

Headline: 
Severe Thunderstorm Warning issued April 27 at 6:46PM CDT until April 27 at 7:45PM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 27, 2026 - 4:46pm
Expires: 
April 27, 2026 - 5:45pm
Description: 
At 646 PM CDT, a severe thunderstorm was located over Pacific, moving northeast at 55 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will be near... Wildwood, Eureka, Pacific, Gray Summit and Villa Ridge around 650 PM CDT. Byrnes Mill and High Ridge around 655 PM CDT. Ellisville, Ballwin, Clarkson Valley, Winchester, Valley Park, Twin Oaks, Spirit of St. Louis Airport, Murphy and Weldon Spring around 700 PM CDT. Other locations impacted by the severe thunderstorm include Catawissa, Parkdale and Peerless Park. This includes the following State Parks... Babler Memorial State Park, Route 66 State Park, Castlewood State Park and Robertsville State Park. This includes the following highways... Interstate 70 in Missouri near exit 231. Interstate 44 in Missouri between exits 251 and 277. Interstate 55 in Missouri near exit 191.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. A Tornado Watch remains in effect until 900 PM CDT for a portion of east central Missouri.
Area Description: 
Franklin, MO; Jefferson, MO; St. Charles, MO; St. Louis, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov