# HEADLINE
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DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING
# DETAILS
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WHAT
Visibility one quarter mile or less in dense fog.
WHERE
Fort Collins, Boulder and the western suburbs of Denver, Denver, Briggsdale, Greeley, Fort Morgan, and Byers.
WHEN
Until 9 AM MDT this morning.
IMPACTS
Low visibility could make driving conditions hazardous.
ISSUED AT
Tuesday, October 27, 2026 at 4:09 AM MDT
ISSUED BY
National Weather Service Denver CO
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
# AREAS AFFECTED
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Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County, Central and East Adams and Arapahoe Counties, Central and South Weld County, Larimer County Below 6000 Feet/Northwest Weld County, Morgan County, North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County, Northeast Weld County
Including the cities of Aurora, Grover, Denver International Airport, Bennett, Roggen, Boulder, Longmont, Parker, Highlands Ranch, Byers, Leader, Lakewood, Pawnee Buttes, Fort Morgan, Goodrich, Eaton, Wiggins, Fort Collins, Loveland, Fort Lupton, Deer Trail, Raymer, Brighton, Brush, City of Denver, Greeley, Briggsdale, Stoneham, Arvada, Nunn, Golden, Hereford, and Littleton