Illinois, Missouri Severe Thunderstorm Warning | Effective 04/17/2026 16:13

Headline: 
Severe Thunderstorm Warning issued April 17 at 6:13PM CDT until April 17 at 7:00PM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 4:13pm
Expires: 
April 17, 2026 - 5:00pm
Description: 
SVRLSX The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Northwestern Adams County in west central Illinois... Lewis County in northeastern Missouri... * Until 700 PM CDT. * At 613 PM CDT, severe thunderstorms were located along a line from near Colony to 7 miles west of Plevna, or along a line from 13 miles northeast of Edina to 11 miles south of Edina, moving east at 60 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... La Belle, Lewistown, Steffenville, Monticello, Ewing, Canton, Meyer, Maywood, Lima, La Grange, Quincy, Woodville, Ursa, Loraine, Mendon and Fowler. This includes the following State Parks... Wakonda State Park. This includes Interstate 172 between exits 15 and 19.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. These storms are capable of producing widespread 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; Lewis, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov