Red Flag Warning Issued for San Luis Valley and Surrounding Colorado Areas
This alert is no longer in effect.
NOAA issued it on May 1, 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.
The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity in parts of southern Colorado, effective from noon to 8 PM MDT on Saturday.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Southern Colorado
- Issued
- May 1, 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 3 months ago; use the issuing agency's live warning service for current conditions in Southern Colorado.
Alert Details
A Red Flag Warning has been issued by the National Weather Service (NWS) Pueblo CO. This alert is for critical fire weather conditions, with the event code FWW.
Affected Areas
The warning affects the San Luis Valley, including Alamosa, Del Norte, Fort Garland, and Saguache; Huerfano County, including Walsenburg; and Western Las Animas County, including Trinidad and Thatcher. These correspond to Fire Weather Zones 224, 229, and 230.
What You Should Do
A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. Prepare for extreme fire behavior due to the combination of strong winds, low relative humidity, and warm temperatures.
Expected Conditions
Winds from the southwest at 15 to 25 mph with gusts up to 40 mph. Relative humidity as low as 6 percent on Friday and as low as 10 percent on Saturday.
Timeline
The alert is effective from 10:31 AM MDT on April 24, 2026, with onset at 12:00 PM MDT on April 25, 2026. It expires at 2:45 AM MDT on April 25, 2026, and ends at 8:00 PM MDT on April 25, 2026. A separate period is in effect until 9:00 PM MDT on April 24, 2026.
Original source: NOAA Official Notice ↗
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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 (1,155 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 1, 2026.
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