Dense Fog Advisory
Status
Event Extended (Both Time and Area) Active alertStart Time
Fri 10/30/2026 05:00 AM EDTEnd Time
Fri 10/30/2026 12:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Denver, CO ∙ Aurora, CO ∙ Lakewood, CO ∙ Thornton, CO ∙ Westminster, CO ∙ Boulder, CO ∙ Arvada, CO ∙ Centennial, CO ∙ Longmont, CO ∙ Broomfield, COFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Denver CO 1017 PM MDT Thu Oct 29 2026 ...DENSE FOG ADVISORY IN EFFECT FROM 3 AM TO 10 AM MDT FRIDAY... * WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Boulder and the western suburbs of Denver, and Denver. * WHEN...From 3 AM to 10 AM MDT Friday. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Technical Header
COZ039-040-301530- /O.EXB.KBOU.FG.Y.0004.261030T0900Z-261030T1600Z/ Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- Including the cities of Boulder, Littleton, City of Denver, Brighton, Highlands Ranch, Golden, Longmont, Lakewood, Denver International Airport, Aurora, Parker, and Arvada 1017 PM MDT Thu Oct 29 2026
