Red Flag Warning Issued for Denver Metro and Northeast Colorado Plains Through Tuesday Afternoon
This alert is no longer in effect.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).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
The National Weather Service has issued a Red Flag Warning for the Denver area and northeast plains due to high winds and low humidity, creating critical fire conditions on Tuesday.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Denver Metro and 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 Denver Metro and Northeast Colorado.
Alert Details
The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity. This alert indicates that critical fire weather conditions are either occurring now or are imminent, driven by a combination of strong winds, low humidity, and warm temperatures that contribute to extreme fire behavior.
Affected Areas
The warning impacts the following geographic 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
What You Should Do
Residents in the affected zones should take immediate precautions to prevent fire starts:
- Avoid all outdoor burning.
- Refrain from any activity that may produce a spark, such as using machinery or equipment that could ignite dry vegetation.
- Prepare for the possibility of rapid fire spread if an ignition occurs.
Expected Conditions
- Winds: West winds are expected to range from 10 to 20 mph, with gusts typically reaching 30 mph. However, channels of stronger winds are possible, with gusts potentially reaching 45 mph.
- Relative Humidity: Humidity levels are forecast to drop as low as 10 percent.
- Impacts: These conditions are highly favorable for rapid fire spread and extreme fire behavior.
Timeline
The Red Flag Warning is in effect on Tuesday, February 24, from 10:00 AM MST until 5:00 PM MST.
Original source: NOAA Official Notice ↗
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