Red Flag Warning Issued for Natrona and Johnson Counties in 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.