Red Flag Warning Issued for Denver Metro and Northeast Colorado Plains Due to Critical Fire Conditions

Alert Details

The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity. This alert, which replaces a previous Fire Weather Watch, indicates that critical fire weather conditions are imminent or occurring. The warning was issued by the NWS office in Denver, Colorado.

Affected Areas

The warning impacts the Urban Corridor and Plains along and north of I-70, specifically including:

• Larimer County Below 6000 Feet and Northwest Weld County
• Boulder and Jefferson Counties Below 6000 Feet and West Broomfield County
• North Douglas County Below 6000 Feet, Denver, West Adams and Arapahoe Counties, and East Broomfield County
• Northeast, Central, and South Weld County
• Morgan, Logan, and Washington Counties
• Central and East Adams and Arapahoe Counties

What You Should Do

Residents in the affected zones should avoid outdoor burning and any activity that may produce a spark and start a wildfire. The combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Preparation is advised as conditions will be favorable for rapid fire spread.

Expected Conditions

• Winds: West winds ranging from 15 to 25 mph, with gusts reaching up to 40 mph.
• Humidity: Relative humidity levels are expected to drop as low as 8 percent.
• Hazards: Critical fire weather conditions resulting from the combination of wind and dry air.

Timeline

The Red Flag Warning is effective from 8:00 AM to 6:00 PM MST on Friday, February 27, 2026.