Red Flag Warning Issued for Denver Metro and Northeast Colorado Plains Due to Critical Fire Conditions
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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The National Weather Service has issued a Red Flag Warning for the Denver area and northeast Colorado plains effective Friday, citing high winds and dangerously low humidity.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Northeast Colorado
- Issued
- April 6, 2026
- Issuing authority
- NWS Denver CO
Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Northeast Colorado.
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.
Original source: NOAA Official Notice ↗
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