Dense Fog Advisory 03/03/2026 21:43 Iowa, Minnesota, South Dakota

Headline: 
Dense Fog Advisory issued March 3 at 11:43PM CST until March 4 at 8:00AM CST by NWS Sioux Falls SD
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 3, 2026 - 9:43pm
Expires: 
March 4, 2026 - 6:00am
Description: 
* WHAT...Visibility less than one quarter of a mile in dense fog. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...Until 8 AM CST Wednesday. * 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.
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; Miner; Lake; Moody; McCook; Minnehaha; Turner; Lincoln
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov