Red Flag Warning for Colorado's Front Range and Plains Regions
This alert is no longer in effect.
NOAA issued it on April 29, 2026, 3 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 has been issued by NWS Denver CO for parts of Colorado, including the Front Range Foothills, Urban Corridor, Plains, and South Park, due to strong winds and low relative humidity that could lead to rapid fire spread.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Front Range Foothills, Urban Corridor, Plains, and South Park in Colorado
- Issued
- April 29, 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 3 months ago; use the issuing agency's live warning service for current conditions in Front Range Foothills, Urban Corridor, Plains, and South Park in Colorado.
Alert Details
The Red Flag Warning has been issued by the National Weather Service (NWS) Denver CO. It is in effect for wind and low relative humidity.
Affected Areas
The warning affects Fire Weather Zones 214, 216, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, and 251, including areas such as Central and Southeast Park County; Jefferson and West Douglas Counties Above 6000 Feet; Gilpin, Clear Creek, Northeast Park Counties Below 9000 Feet; Larimer County Below 6000 Feet; 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; Elbert; Central and East Douglas Counties Above 6000 Feet; Northeast Weld County; Central and South Weld County; Morgan County; Central and East Adams and Arapahoe Counties; North and Northeast Elbert County Below 6000 Feet; North Lincoln County; Southeast Elbert County Below 6000 Feet; South Lincoln County; Logan County; Washington County; Sedgwick County; and Phillips County in Colorado.
What You Should Do
Residents should avoid outdoor burning and any activity that may produce a spark and start a wildfire, as conditions are favorable for rapid fire spread.
Expected Conditions
Winds are expected to be west at 20 to 30 mph with gusts up to 45 mph for the first period, and northwest winds gusting up to 50 mph for the second period. Relative humidity could drop as low as 6 percent for the first period and as low as 10 percent for the second period.
Timeline
The warning is in effect from 11 AM MDT on April 23, 2026, until 7 PM MDT on April 23, 2026, with a prior period remaining in effect until midnight MDT on April 22, 2026. It was issued on April 22, 2026, at 12:22 PM MDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,803 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 29, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.