Red Flag Warning Issued for Denver and Colorado Eastern Plains Through Thursday Night
This alert is no longer in effect.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.
A Red Flag Warning is in effect for the Denver metro area and Colorado's eastern plains this Thursday, with wind gusts up to 60 mph and low humidity creating critical fire conditions.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Denver and Eastern Plains, 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 and Eastern Plains, 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 the previous Fire Weather Watch, was issued by the NWS office in Denver/Boulder (KBOU).
Affected Areas
The warning impacts the I-25 corridor and the eastern plains of Colorado, specifically covering:
- Denver and East Broomfield County
- North Douglas County (below 6,000 feet)
- West, Central, and East Adams and Arapahoe Counties
- Northeast, Central, and South Weld County
- Morgan, Logan, Washington, Sedgwick, and Phillips Counties
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. A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. The combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Residents are advised to prepare for hazardous conditions.
Expected Conditions
- Winds: West winds are expected to range from 20 to 35 mph, with powerful gusts reaching up to 60 mph.
- Humidity: Relative humidity levels are forecast to drop as low as 13 percent.
- Impacts: These conditions will be highly favorable for rapid fire spread.
Timeline
The Red Flag Warning is effective from 11:00 AM MDT to 9:00 PM MDT on Thursday, March 12.
Original source: NOAA Official Notice ↗
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