Alertes en vigueurFaith, SD

What: Visibility one quarter to one half mile in dense fog.
Where: Butte, Harding, Northern Meade Co Plains, Northern Perkins, Southern Meade Co Plains, Southern Perkins, Ziebach, and Haakon.
When: Until 11 AM MST Friday.
Impacts: Low visibility could make driving conditions hazardous. With temperatures below freezing, frost may form on roadways, especially on bridges.

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