Red Flag Warning Issued for Central and East Adams and Arapahoe Counties; Washington County
This alert is no longer in effect.
NOAA issued it on April 16, 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 parts of Colorado due to strong winds and low humidity, creating conditions favorable for rapid fire spread from 11 AM to 9 PM MDT on April 16, 2026.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Central and East Adams and Arapahoe Counties; Washington County, Colorado
- Issued
- April 16, 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 and East Adams and Arapahoe Counties; Washington County, Colorado.
Red Flag Warning in Colorado
Alert Details
A Red Flag Warning has been issued by the National Weather Service in Denver, CO. It is for wind and low relative humidity, effective from 11 AM to 9 PM MDT on April 16, 2026.
Affected Areas
The warning affects Central and East Adams and Arapahoe Counties, and Washington County in Colorado, corresponding to Fire Weather Zones 245 and 249.
What You Should Do
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
South to southwest winds are expected to increase to 15 to 20 mph with gusts up to 30 mph, and relative humidity as low as 8 percent.
Timeline
The warning is effective from 11:00 AM MDT to 9:00 PM MDT on April 16, 2026.
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 (801 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 16, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.