Iowa Severe Thunderstorm Warning | Effective 04/17/2026 14:48

Headline: 
Severe Thunderstorm Warning issued April 17 at 4:48PM CDT until April 17 at 5:45PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 2:48pm
Expires: 
April 17, 2026 - 3:45pm
Description: 
SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Jackson County in east central Iowa... Southern Dubuque County in northeastern Iowa... Jones County in east central Iowa... * Until 545 PM CDT. * At 448 PM CDT, severe thunderstorms were located along a line extending from near Worthington to Langworthy to near Paralta, moving east at 55 mph. HAZARD...70 mph wind gusts and quarter 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... Maquoketa, Anamosa, Monticello, Bellevue, Cascade, Preston, Wyoming, Andrew, La Motte, Martelle, Onslow, Monmouth, Springbrook, St. Donatus, Bernard, Center Junction, Zwingle, Spragueville, Green Island, and Nashville.
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 sturdy building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. A Tornado Watch remains in effect until 800 PM CDT for northwestern Illinois...and northeastern and east central Iowa.
Area Description: 
Dubuque, IA; Jackson, IA; Jones, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov