Iowa Moderate Dense Fog Advisory | Effective 06/22/2026 01:32

Headline: 
Dense Fog Advisory issued June 22 at 3:32AM CDT until June 22 at 7:00AM CDT by NWS Des Moines IA
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
June 22, 2026 - 1:32am
Expires: 
June 22, 2026 - 5:00am
Description: 
* WHAT...Visibility less than one mile in dense fog. * WHERE...Grundy, Hardin, Butler, Franklin, and Bremer Counties. * WHEN...Until 7 AM CDT 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: 
Franklin; Butler; Bremer; Hardin; Grundy
Forcast Office: 
NWS Des Moines IA