Alert USA
weather NWS moderate 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 October 30, 2026 at 4:17 AM

Dense Fog Advisory

* 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.

Local conditions in 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 may affect travel, public safety, or daily routines. Stay informed and adjust plans if conditions change.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Residents should be prepared for possible effects on travel, public safety, and daily routines while the situation remains active.

Recommended steps: stay informed via official sources; avoid non-essential travel in the area; secure outdoor items if weather is involved; check on family and neighbors.

Alert USA is tracking this developing situation and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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