Illinois, Missouri Severe Thunderstorm Warning | Effective 04/17/2026 17:59

Headline: 
Severe Thunderstorm Warning issued April 17 at 7:59PM CDT until April 17 at 8:15PM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 5:59pm
Expires: 
April 17, 2026 - 6:15pm
Description: 
At 759 PM CDT, severe thunderstorms were located along a line from 28 miles northeast of Mount Sterling to near Frankford, or along a line from 47 miles northeast of Pittsfield to 12 miles southeast of Hannibal, moving east at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Mount Sterling, Buckhorn, Beverly, Kinderhook, Ripley, Fishhook, Barry, Versailles, New Canton, Baylis, La Grange, Perry, New Salem, Chambersburg, El Dara, Griggsville, Valley City, Pittsfield, Atlas and Martinsburg. This includes the following State Parks... Siloam Springs State Park. This includes Interstate 72 between exits 20 and 35.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail. 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 1100 PM CDT Friday for portions of west central Illinois and northeast Missouri.
Area Description: 
Adams, IL; Brown, IL; Pike, IL; Pike, MO; Ralls, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov