Red Flag Warning for Upper Arkansas River Valley in Colorado
This alert is no longer in effect.
NOAA issued it on April 23, 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 has been issued for the Upper Arkansas River Valley, including Lake and Chaffee Counties, due to gusty winds and low humidity that could lead to extreme fire danger from 11 AM to 9 PM MDT on April 23.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Upper Arkansas River Valley, Colorado
- Issued
- April 23, 2026
- Issuing authority
- NWS Pueblo 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 Upper Arkansas River Valley, Colorado.
Alert Details
The National Weather Service in Pueblo, CO, has issued a Red Flag Warning, effective from 11 AM to 9 PM MDT on April 23, 2026.
Affected Areas
The warning affects the Upper Arkansas River Valley, including Lake County and Chaffee County in Colorado, specifically Fire Weather Zone 220.
What You Should Do
Prepare for critical fire weather conditions, as strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Listen for later forecasts and possible Red Flag Warnings.
Expected Conditions
Winds from the west at 20 to 30 mph with gusts up to 60 mph, and relative humidity as low as 10 percent.
Timeline
The alert is effective from 11 AM MDT on April 23, 2026, and ends at 9 PM MDT on the same day.
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 (773 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 23, 2026.
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Common questions about this NWS weather alert.