Dense Fog Advisory

Locations Affected

Fort Collins, CO ∙ Greeley, CO ∙ Loveland, CO ∙ Pawnee National Grassland, CO ∙ Iliff, CO ∙ Poudre Park, CO ∙ Hudson, CO ∙ Milliken, CO ∙ Hereford, CO ∙ Erie Municipal Airport, CO

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Denver CO 142 AM MDT Wed Oct 15 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Visibility as low as 100 yards in dense fog. * WHERE...Fort Collins, Briggsdale, Greeley, and Sterling. The dense fog will be most widespread in northern parts of Weld and Logan counties. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Areas of low visibility will make driving conditions hazardous. This will impact I-25 from Loveland north to Wyoming, US 85 north of Greeley, and highway 14 between Fort Collins and Sterling. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

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