Red Flag Warning Issued for Eastern Colorado Regions
This alert is no longer in effect.
NOAA issued it on April 28, 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 is in effect for various counties in Colorado due to strong winds and low humidity, increasing the risk of rapid fire spread from Wednesday morning through Wednesday night.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Eastern Colorado
- Issued
- April 28, 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 Eastern Colorado.
Alert Details
A Red Flag Warning has been issued by the National Weather Service (NWS) Denver CO. This alert is for critical fire weather conditions and is effective from April 21, 2026, at 5:18 AM MDT.
Affected Areas
The warning affects Central and Southeast Park County; Larimer and Boulder Counties Between 6000 and 9000 Feet; 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.
What You Should Do
Residents should prepare for the warning by avoiding 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 southwest at 20 to 30 mph with gusts up to 45 mph. Relative humidity could drop as low as 6 percent, contributing to conditions that favor rapid fire spread.
Timeline
The alert is effective from 10 AM MDT on Wednesday, April 22, 2026, until midnight MDT on Wednesday night, April 23, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (1,602 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 28, 2026.
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