Iowa Severe Thunderstorm Warning | Effective 04/23/2026 17:55

Headline: 
Severe Thunderstorm Warning issued April 23 at 7:55PM CDT until April 23 at 8:45PM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 23, 2026 - 5:55pm
Expires: 
April 23, 2026 - 6:45pm
Description: 
SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Story County in central Iowa... Hardin County in central Iowa... Western Marshall County in central Iowa... Western Grundy County in central Iowa... Southeastern Hamilton County in central Iowa... Southeastern Boone County in central Iowa... * Until 845 PM CDT. * At 754 PM CDT, severe thunderstorms were located along a line extending from 4 miles southeast of Buckeye to near Zearing to near Cambridge, moving east at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Ames, Nevada, Eldora, Story City, Huxley, Madrid, Slater, State Center, Roland, Jewell Junction, Gilbert, Iowa State Center, Maxwell, Colo, Hubbard, Melbourne, Cambridge, Wellsburg, Zearing, and Radcliffe. This includes Interstate 35 between mile markers 102 and 144.
Instruction: 
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. These storms may cause serious injury and significant property damage.
Area Description: 
Boone, IA; Grundy, IA; Hamilton, IA; Hardin, IA; Marshall, IA; Story, IA
Forcast Office: 
NWS Des Moines IA