Iowa Severe Severe Thunderstorm Warning | Effective 07/04/2026 01:04

Headline: 
Severe Thunderstorm Warning issued July 4 at 3:04AM CDT until July 4 at 4:00AM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 4, 2026 - 1:04am
Expires: 
July 4, 2026 - 2:00am
Description: 
SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Poweshiek County in central Iowa... Northern Mahaska County in south central Iowa... * Until 400 AM CDT. * At 303 AM CDT, severe thunderstorms were located along a line extending from near Holiday Lake to Leighton, moving east at 20 mph. HAZARD...60 mph wind gusts. A few recent personal weather stations have recorded gusts of 50 to 60 mph wind gusts near Searsboro. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Oskaloosa, Montezuma, Brooklyn, New Sharon, Victor, Fremont, University Park, Holiday Lake, Malcom, Deep River, Barnes City, Rose Hill, Searsboro, Hartwick, Keomah Village, Guernsey, and Lake Keomah State Park. This includes Interstate 80 between mile markers 187 and 204.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Mahaska, IA; Poweshiek, IA
Forcast Office: 
NWS Des Moines IA