Red Flag Warning Issued for Denver and Northeast Colorado Plains Through Tuesday Evening
This alert is no longer in effect.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 much of the I-25 corridor and northeast plains due to extreme fire weather conditions, including 65 mph wind gusts.
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 critical fire weather conditions. This alert replaces the previous Fire Weather Watch as conditions have escalated to a warning level.
Affected Areas
The warning covers a broad region of Colorado, including:
- Urban Corridor: Denver, Boulder, and Jefferson Counties (below 6000 feet), West and East Broomfield County, North Douglas County (below 6000 feet), and West Adams and Arapahoe Counties.
- Northeast Plains: Larimer County (below 6000 feet), Northwest, Northeast, Central, and South Weld County, Morgan County, Logan County, Sedgwick County, and Phillips County.
- Fire Weather Zones: 238, 239, 240, 242, 243, 244, 248, 250, and 251.
What You Should Do
Residents are urged to take the following precautions to prevent wildfire ignition:
- Avoid all outdoor burning.
- Refrain from any activity that may produce a spark, such as using outdoor machinery or tossing cigarettes.
- Prepare for the possibility of rapid fire spread if an ignition occurs.
Expected Conditions
Extremely critical fire weather conditions are expected, characterized by:
- Winds: West winds sustained at 30 to 40 mph with powerful gusts reaching up to 65 mph.
- Relative Humidity: Levels dropping as low as 10 percent.
- Impacts: The combination of strong winds, low humidity, and warm temperatures will contribute to extreme fire behavior and rapid spread.
Timeline
The Red Flag Warning is effective from 10:00 AM to 7:00 PM MST on Tuesday, February 17, 2026.
Original source: NOAA Official Notice ↗
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