Dense Fog Advisory 03/05/2026 01:22 Iowa

Headline: 
Dense Fog Advisory issued March 5 at 3:22AM CST until March 5 at 8:00AM CST by NWS Des Moines IA
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 5, 2026 - 1:22am
Expires: 
March 5, 2026 - 6:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Jasper, Poweshiek, Lucas, Mahaska, Marion, Monroe, and Wapello Counties. * WHEN...Until 8 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
Jasper; Poweshiek; Marion; Mahaska; Lucas; Monroe; Wapello
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov