Iowa Moderate Dense Fog Advisory | Effective 06/22/2026 00:18

Headline: 
Dense Fog Advisory issued June 22 at 2:18AM CDT until June 22 at 5:00AM CDT by NWS La Crosse WI
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
June 22, 2026 - 12:18am
Expires: 
June 22, 2026 - 3:00am
Description: 
* WHAT...Visibility less than 1/4 mile in dense fog. * WHERE...Floyd, Chickasaw, Howard, and Winneshiek Counties. * WHEN...Until 5 AM CDT early 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: 
Howard; Winneshiek; Floyd; Chickasaw
Forcast Office: 
NWS La Crosse WI