Colorado Dense Fog Advisory | Effective 04/27/2026 06:25

Headline: 
Dense Fog Advisory issued April 27 at 7:25AM MDT until April 27 at 10:00AM MDT by NWS Denver CO
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
April 27, 2026 - 6:25am
Expires: 
April 27, 2026 - 9:00am
Description: 
* WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Boulder and the western suburbs of Denver, and Denver. * WHEN...Until 10 AM MDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
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
Forcast Office: 
NWS Denver CO