Iowa Severe Severe Thunderstorm Warning | Effective 09/14/2026 17:40

Headline: 
Severe Thunderstorm Warning issued September 14 at 7:40PM CDT until September 14 at 8:30PM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 14, 2026 - 5:40pm
Expires: 
September 14, 2026 - 6:30pm
Description: 
SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Cass County in southwestern Iowa... Western Guthrie County in west central Iowa... Southern Audubon County in west central Iowa... Adair County in southwestern Iowa... * Until 830 PM CDT. * At 740 PM CDT, a severe thunderstorm was located near Lewis, or 8 miles southwest of Atlantic, moving east at 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Atlantic, Greenfield, Guthrie Center, Griswold, Anita, Exira, Adair, Fontanelle, Elk Horn, Lewis, Casey, Orient, Massena, Kimballton, Cumberland, Bridgewater, Brayton, Marne, Wiota, and Lake Anita State Park. This includes Interstate 80 between mile markers 50 and 86.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until midnight CDT for southwestern and west central Iowa.
Area Description: 
Adair, IA; Audubon, IA; Cass, IA; Guthrie, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov