WFO SIOUX FALLS Warnings, Watches and Advisories for Sunday, September 21, 2025
SEVERE THUNDERSTORM WARNING
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Northeastern Osceola County in northwestern Iowa...
Northwestern Dickinson County in northwestern Iowa...
Southwestern Jackson County in southwestern Minnesota...
Southeastern Nobles County in southwestern Minnesota...
* Until 830 PM CDT.
* At 739 PM CDT, severe thunderstorms were located along a line
extending from near Round Lake to near Sibley, moving east at 20
mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near