⚠️ Dense Fog Advisory – Osceola; Sioux; O’Brien; Plymouth; Cherokee; Woodbury; Lyon; Cottonwood; Jackson; Dakota; Beadle; Jerauld; Sanborn; Brule; Aurora – Wednesday, September 30, 2026

Dense Fog Advisory issued September 30 at 3:21AM CDT until September 30 at 10:00AM CDT by NWS Sioux Falls SD

Details

* WHAT…Visibility one quarter mile or less at times in dense fog.

* WHERE…Portions of northwest and west central Iowa, southwest
Minnesota, northeast Nebraska, and central, east central, and south
central South Dakota.

* WHEN…Until 10 AM CDT this morning.

* IMPACTS…Low visibility or rapidly changing visibility could make
driving conditions hazardous.

Instructions

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.