Alertes en vigueur Lake Wilson, MN

* WHAT...Visibility one quarter mile or less in dense fog.* WHERE...Portions of northwest Iowa, southwest Minnesota, and eastcentral and southeast South Dakota.* WHEN...Until 10 AM CST Friday.* IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty ofdistance ahead of you.