Iowa Severe Severe Thunderstorm Warning | Effective 06/28/2026 11:40

Headline: 
Severe Thunderstorm Warning issued June 28 at 1:40PM CDT until June 28 at 2:15PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 28, 2026 - 11:40am
Expires: 
June 28, 2026 - 12:15pm
Description: 
At 140 PM CDT, severe thunderstorms were located along a line extending from Nashville to near Elwood to Walnut Grove Park, moving southeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Maquoketa, DeWitt, Grand Mound, Delmar, Lost Nation, Charlotte, Welton, Toronto, Nashville, Hurstville, Baldwin, Lyons, Eden Valley Refuge, Maquoketa Caves State Park, Maquoketa Municipal Airport, Jackson County Fairgrounds, Buckhorn, Elwood, Walnut Grove Park, and Clinton County Fairgrounds.
Instruction: 
For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Clinton, IA; Jackson, IA
Forcast Office: 
NWS Quad Cities IA IL