Headline:
Severe Thunderstorm Warning issued September 6 at 2:34PM CDT until September 6 at 3:15PM CDT by NWS Sioux Falls SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
September 6, 2026 - 12:34pm
Expires:
September 6, 2026 - 1:15pm
Description:
SVRFSD
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Southeastern Cherokee County in northwestern Iowa...
Southwestern Buena Vista County in northwestern Iowa...
Northeastern Ida County in west central Iowa...
* Until 315 PM CDT.
* At 234 PM CDT, a severe thunderstorm was located near Galva, or 11
miles southwest of Storm Lake, moving northeast at 15 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.
* This severe thunderstorm will be near...
Alta around 240 PM CDT.
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:
Buena Vista, IA; Cherokee, IA; Ida, IA
Forcast Office:
NWS Sioux Falls SD
Sender:
w-nws.webmaster@noaa.gov