Red Flag Warning Issued for Larimer, Weld, and Logan Counties Through Saturday
This alert is no longer in effect.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).
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The National Weather Service has issued a Red Flag Warning for parts of Northern Colorado due to high winds and low humidity, creating critical fire conditions through Saturday evening.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Northern Colorado
- Issued
- April 6, 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 Northern Colorado.
Alert Details
The National Weather Service in Denver has issued a Red Flag Warning for critical fire weather conditions. The alert, issued by NWS Denver CO, is in effect to address concerns over high winds and low relative humidity that could lead to extreme fire behavior.
Affected Areas
The warning specifically impacts the following geographic regions and Fire Weather Zones:
- Larimer County: Areas below 6000 feet
- Weld County: Northwest and Northeast regions
- Logan County
- Fire Weather Zones: 238, 242, and 248
What You Should Do
Residents in the warning areas should take immediate precautions to prevent wildfire ignition:
- Avoid all outdoor burning.
- Refrain from any activity that may produce a spark, such as using outdoor machinery or discarding cigarettes improperly.
- Be prepared for rapid fire spread if a fire starts. A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Expected Conditions
- Winds: West winds between 15 to 25 mph, with gusts reaching up to 45 mph.
- Relative Humidity: Levels are expected to drop as low as 9 percent.
- Impacts: Conditions will be highly favorable for the rapid spread of fire.
Timeline
The alert covers two distinct periods of concern:
- Current Alert: Remains in effect until 6:00 PM MST this evening, February 27.
- Saturday Alert: A second window is effective from 10:00 AM to 6:00 PM MST on Saturday, February 28.
Original source: NOAA Official Notice ↗
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