Headline:
Severe Thunderstorm Warning issued September 15 at 12:54AM CDT until September 15 at 2:00AM CDT by NWS Omaha/Valley NE
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
September 14, 2026 - 10:54pm
Expires:
September 15, 2026 - 12:00am
Description:
SVROAX
The National Weather Service in Omaha has issued a
* Severe Thunderstorm Warning for...
Northern Pottawattamie County in southwestern Iowa...
Southeastern Harrison County in southwestern Iowa...
Southern Shelby County in southwestern Iowa...
* Until 200 AM CDT.
* At 1254 AM CDT, a severe thunderstorm was located 4 miles south of
Missouri Valley, or 12 miles east of Blair, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Neola, Minden, Persia, Shelby, Avoca and Walnut.
This includes Interstate 80 in Iowa between mile markers 20 and 48.
Instruction:
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Area Description:
Harrison, IA; Pottawattamie, IA; Shelby, IA
Forcast Office:
NWS Omaha/Valley NE
Sender:
w-nws.webmaster@noaa.gov