Iowa Severe Thunderstorm Warning | Effective 04/12/2026 00:55

Headline: 
Severe Thunderstorm Warning issued April 12 at 2:55AM CDT until April 12 at 3:45AM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 12, 2026 - 12:55am
Expires: 
April 12, 2026 - 1:45am
Description: 
SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Northwestern Worth County in north central Iowa... Eastern Winnebago County in north central Iowa... * Until 345 AM CDT. * At 254 AM CDT, a severe thunderstorm was located over Thompson, or 9 miles northwest of Forest City, moving northeast at 40 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Lake Mills, Emmons, Rice Lake, Thompson, Scarville, Lake Mills Municipal Airport, Hogsback Wildlife Area, and Rice Lake State Park. This includes Interstate 35 between mile markers 216 and 218.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Winnebago, IA; Worth, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov