Overview

• Keweenaw and Houghton counties are under a dense fog advisory issued at 1:46 a.m. EDT Sunday, valid until 9 a.m. EDT.
• A separate advisory covers Iron, Dickinson and Menominee counties from 3:43 a.m. EDT until 9 a.m. EDT.
• The National Weather Service expects visibility to drop to one quarter mile or less in dense fog.
• Drivers are advised to slow down, use headlights on low beam, maintain extra following distance and avoid high beams.
• Travelers are urged to allow extra time or delay trips, and to pull over safely with hazard lights if visibility nears zero.