Iowa Severe Thunderstorm Warning | Effective 04/17/2026 13:29

Headline: 
Severe Thunderstorm Warning issued April 17 at 3:29PM CDT until April 17 at 4:45PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 1:29pm
Expires: 
April 17, 2026 - 2:45pm
Description: 
SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Southeastern Buchanan County in northeastern Iowa... Northwestern Johnson County in east central Iowa... Benton County in east central Iowa... Western Linn County in east central Iowa... Northern Iowa County in east central Iowa... * Until 445 PM CDT. * At 328 PM CDT, severe thunderstorms were located along a line extending from 6 miles west of La Porte City to Elberon to near Grinnell, moving east at 40 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... Cedar Rapids, Vinton, Marengo, Marion, Hiawatha, Robins, Belle Plaine, Center Point, Fairfax, Atkins, Walford, Urbana, Dysart, Palo, Shellsburg, Victor, Swisher, Newhall, Oxford, and Walker. This includes the following highways... Interstate 80 in Iowa between mile markers 205 and 212. Interstate 380 between mile markers 10 and 48.
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. A Tornado Watch remains in effect until 800 PM CDT for northeastern and east central Iowa.
Area Description: 
Benton, IA; Buchanan, IA; Iowa, IA; Johnson, IA; Linn, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov