Headline:
Severe Thunderstorm Warning issued September 15 at 12:48AM CDT until September 15 at 1:15AM CDT by NWS Omaha/Valley NE
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
September 14, 2026 - 10:48pm
Expires:
September 14, 2026 - 11:15pm
Description:
At 1248 AM CDT, a severe thunderstorm was located near Fort Calhoun,
or 9 miles southeast of Blair, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
northwestern Pottawattamie, southwestern Harrison and southeastern
Washington Counties, including the following locations... Wilson
Island State Park and Desoto Bend National Wildlife Refuge.
This includes Interstate 29 between mile markers 66 and 79.
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; Washington, NE
Forcast Office:
NWS Omaha/Valley NE
Sender:
w-nws.webmaster@noaa.gov