⚠️ Special Weather Statement – Lyon; Osceola; Sioux; O’Brien; Plymouth; Cherokee; Woodbury; Rock; Dixon; Dakota; McCook; Minnehaha; Hutchinson; Turner; Lincoln; Bon Homme; Yankton; Clay; Union – Thursday, October 29, 2026

Event	Special Weather Statement
Severity	Moderate
Urgency	Expected
Certainty	Observed
Area	Lyon; Osceola; Sioux; O’Brien; Plymouth; Cherokee; Woodbury; Rock; Dixon; Dakota; McCook; Minnehaha; Hutchinson; Turner; Lincoln; Bon Homme; Yankton; Clay; Union
Effective	10/29/2026, 7:00:00 AM CDT
Expires	10/29/2026, 10:00:00 AM CDT

Special Weather Statement issued October 29 at 7:00AM CDT by NWS Sioux Falls SD

Details

Areas of fog have developed this morning, with dense fog
primarily confined to areas along and near river valleys. Though
fog may spread a bit farther, the greatest chance of dense fog
will continue to be along and near river valleys through the
morning commute Thursday. Make sure to use your low beam
headlights when driving in fog and consider leaving extra time to
get your destination. Any fog should lift entirely between 10 and
11 am.

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