Weather ❯ Fog ❯ Visibility Issues ❯ Driving Tips

Emergency Protocols

Dense Fog Advisory Extended Through Tuesday for California’s Grapevine and Foothills

NWS warns of quarter-mile visibility on the Grapevine, urging caution in the surrounding foothills.

Southern Oregon Under Dense Fog Advisory Through Saturday Morning

Dense Fog Advisories Blanket Pennsylvania Through Mid-Morning Sunday