Iowa Severe Thunderstorm Warning | Effective 04/17/2026 15:18

Headline: 
Severe Thunderstorm Warning issued April 17 at 5:18PM CDT until April 17 at 6:00PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 3:18pm
Expires: 
April 17, 2026 - 4:00pm
Description: 
At 518 PM CDT, severe thunderstorms were located along a line extending from Graf to Bernard, moving east at 45 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Dubuque, Asbury, Epworth, Farley, Peosta, Centralia, Sageville, Bankston, Durango, Graf, Swiss Valley Park, Lock And Dam 11, Key West, Edmore, Dubuque Regional Airport, Rockdale, Mines of Spain, Lattnerville, Dubuque County Fairgrounds, and Center Grove.
Instruction: 
A Tornado Watch remains in effect until 800 PM CDT for northwestern Illinois...and northeastern Iowa. 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 sturdy building.
Area Description: 
Dubuque, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov