Iowa Severe Severe Thunderstorm Warning | Effective 09/08/2026 19:40

Headline: 
Severe Thunderstorm Warning issued September 8 at 9:40PM CDT until September 8 at 10:15PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 8, 2026 - 7:40pm
Expires: 
September 8, 2026 - 8:15pm
Description: 
At 939 PM CDT, severe thunderstorms were located along a line extending from near Olin to near Clarence to near Moscow, moving east at 40 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Anamosa, Tipton, Mechanicsville, Stanwood, Lowden, Olin, Wyoming, Oxford Junction, Bennett, Onslow, Morley, Center Junction, Rochester, Buchanan, Clarence, Cedar Valley, Bennett Park, Sunbury, Tipton Matthews Airport, and Cedar County Fairgrounds. This includes Interstate 80 in Iowa between mile markers 260 and 275.
Instruction: 
A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. 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: 
Cedar, IA; Jones, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov