Red Flag Warning Issued for Southern Foothills and Plains East of Denver Through Monday
This alert is no longer in effect.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 parts of Colorado as low humidity and gusty winds create critical fire weather conditions through Monday evening.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Central Colorado and Adjacent Plains
- 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 Central Colorado and Adjacent Plains.
Alert Details
The National Weather Service in Denver CO has issued a Red Flag Warning due to critical fire weather conditions. The warning is specifically in effect for wind and low relative humidity. Additionally, a Fire Weather Watch remains in effect for Tuesday as conditions are expected to intensify.
Affected Areas
The warning impacts the following regions in Colorado:
- Jefferson and West Douglas Counties: Areas above 6000 feet.
- Gilpin, Clear Creek, and Northeast Park Counties: Areas below 9000 feet.
- Elbert, Central, and East Douglas Counties: Areas above 6000 feet.
- Adams and Arapahoe Counties: Central and eastern portions.
- Southeast Elbert and South Lincoln Counties: Areas below 6000 feet.
This includes Fire Weather Zones 216, 241, 245, and 247, covering the Southern Foothills, Palmer Divide, and adjacent plains east of the Denver metro area.
What You Should Do
Residents in the affected areas should avoid all outdoor burning and any activities that may produce a spark, as conditions are highly favorable for rapid fire spread. A Red Flag Warning indicates that critical fire weather conditions are either occurring now or will shortly. Residents are urged to listen for later forecasts and potential updates to the warnings.
Expected Conditions
- Monday: Southwest winds between 10 to 20 mph with gusts reaching up to 30 mph. Relative humidity is expected to drop as low as 10 percent.
- Tuesday: Stronger westerly winds are forecast at 30 to 40 mph, with gusts potentially reaching 60 to 65 mph across the plains.
- General Hazards: A combination of dry conditions, above-normal temperatures, and gusty winds will contribute to extreme fire behavior.
Timeline
- Red Flag Warning: Effective from 11:00 AM to 6:00 PM MST on Monday, February 16.
- Fire Weather Watch: Effective from Tuesday morning through Tuesday evening, February 17.
- Long-term Outlook: A prolonged period of critical fire weather conditions is expected to persist through at least mid-next week.
Original source: NOAA Official Notice ↗
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