Iowa Severe Thunderstorm Warning - Severe | Effective 06/05/2026 21:46

Headline: 
Severe Thunderstorm Warning issued June 5 at 11:46PM CDT until June 6 at 12:30AM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 5, 2026 - 9:46pm
Expires: 
June 5, 2026 - 10:30pm
Description: 
At 1145 PM CDT, a severe thunderstorm was located over Marysville, or 10 miles southeast of Knoxville, moving southeast at 15 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Trained weather spotters. Several reports of quarter sized hail have been reported in Attica. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Lovilia, Beacon, Bussey, Harvey, Hamilton, and Marysville.
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.
Area Description: 
Lucas, IA; Mahaska, IA; Marion, IA; Monroe, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov