Dense Fog Advisory 03/04/2026 00:49 Iowa, Minnesota, South Dakota

Headline: 
Dense Fog Advisory issued March 4 at 2:49AM CST until March 4 at 8:00AM CST by NWS Sioux Falls SD
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 4, 2026 - 12:49am
Expires: 
March 4, 2026 - 6:00am
Description: 
* WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, and east central, south central, and southeast South Dakota. * WHEN...Until 8 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Visibility and fog are quite variable over short distances. Be prepared for quickly and dramatically changing conditions. Temperatures near and below freezing may lead to isolated slick spots into the Wednesday morning commute.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
Lyon; Osceola; Dickinson; Sioux; O'Brien; Clay; Cherokee; Buena Vista; Ida; Lincoln; Lyon; Murray; Cottonwood; Nobles; Jackson; Pipestone; Rock; Kingsbury; Brookings; Sanborn; Miner; Lake; Moody; Aurora; Davison; Hanson; McCook; Minnehaha; Douglas; Hutchinson; Turner; Lincoln
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov