Red Flag Warning Issued for Natrona and Johnson Counties in Wyoming
This alert is no longer in effect.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 Central and North Central Wyoming for Sunday afternoon due to critical fire weather conditions.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Central and North Central Wyoming
- Issued
- April 6, 2026
- Issuing authority
- NWS Riverton
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 North Central Wyoming.
Alert Details
The National Weather Service in Riverton has issued a Red Flag Warning for critical fire weather conditions. The alert (VTEC: /O.NEW.KRIW.FW.W.0001.260215T1800Z-260216T0000Z/) was issued on February 14 and is classified as a severe threat with likely certainty.
Affected Areas
The warning covers the following regions in Wyoming:
- Central Wyoming: Natrona County (Fire Zone 280).
- North Central Wyoming: Johnson County, primarily affecting the southern half of the county (Fire Zone 281).
- Land Management: Casper BLM areas within these counties are included in the warning zone.
What You Should Do
Residents are advised to prepare for critical fire weather. A Red Flag Warning means that extreme fire behavior is possible due to the combination of environmental factors. Residents should exercise extreme caution with any activities that could cause a spark, as dry fuels and strong winds can contribute to rapid and erratic fire spread.
Expected Conditions
- Wind: Southwest winds ranging from 15 to 25 mph, with gusts expected to reach up to 40 mph.
- Humidity: Relative humidity levels are forecast to drop as low as 15 to 20 percent.
- Temperature: Unseasonably warm conditions are expected, with high temperatures reaching the mid to upper 50s.
- Fuels: The region currently contains dry cured fuels, which increase the risk of fire ignition and spread.
Timeline
The Red Flag Warning is in effect from 11:00 AM to 5:00 PM MST on Sunday, February 15, 2026.
Original source: NOAA Official Notice ↗
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