Red Flag Warning Issued for Denver Metro and Northeast Colorado Through Wednesday
This alert is no longer in effect.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 I-25 corridor and Logan County as high winds and low humidity create conditions for rapid fire spread.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Northeast Colorado
- Issued
- April 6, 2026
- Issuing authority
- NWS Denver
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 signifies that critical fire weather conditions are either occurring now or are imminent, involving a combination of strong winds, low humidity, and warm temperatures that contribute to extreme fire behavior.
Affected Areas
The warning impacts the following regions in Colorado:
- Larimer County Below 6000 Feet and Northwest Weld County
- 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
- Northeast, Central, and South Weld County
- Logan County
What You Should Do
Residents in the affected zones should avoid all outdoor burning and any activities that may produce a spark and start a wildfire. This includes being cautious with equipment and vehicles that could ignite dry vegetation. Prepare for the possibility of rapid fire spread if an ignition occurs.
Expected Conditions
- Winds: West winds ranging from 25 to 35 mph, with gusts reaching up to 55 mph.
- Relative Humidity: Levels are expected to drop as low as 8 percent.
- Impacts: Conditions will be highly favorable for the rapid spread of fire.
Timeline
Two distinct periods of concern have been identified:
- Initial Warning: Remains in effect until 5:00 PM MST this afternoon, February 24.
- Second Warning: Effective from 10:00 AM to 6:00 PM MST on Wednesday, February 25.
Original source: NOAA Official Notice ↗
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