Red Flag Warning Issued for San Luis Valley Through Thursday Night
This alert is no longer in effect.
NOAA issued it on April 6, 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.
The National Weather Service has issued a Red Flag Warning for the San Luis Valley, effective Thursday, due to high winds and low humidity posing a rapid fire spread risk.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- San Luis Valley, Colorado
- Issued
- April 6, 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 San Luis Valley, Colorado.
Alert Details
The National Weather Service in Pueblo has issued a Red Flag Warning for critical fire weather conditions. This alert replaces the previous Fire Weather Watch for the region.
Affected Areas
The warning covers Fire Weather Zone 224, which includes the San Luis Valley. Specific locations impacted include Alamosa, Del Norte, Fort Garland, and Saguache.
What You Should Do
Residents should prepare for critical fire weather conditions. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Under these conditions, any fires that start will likely catch and spread rapidly and erratically.
Expected Conditions
- Winds: West winds between 20 to 30 mph are expected, with gusts reaching up to 45 mph.
- Relative Humidity: Levels are forecast to drop as low as 10 percent.
- Impacts: Elevated fire danger is expected across the affected zone.
Timeline
The Red Flag Warning is in effect from 11:00 AM to 9:00 PM MDT on Thursday, March 12, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Frequently Asked Questions
Common questions about this NWS weather alert.