Red Flag Warning Issued for Natrona County This Presidents Day

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The National Weather Service has issued a Red Flag Warning for Casper and Natrona County, Wyoming, until 5:00 pm on Presidents Day. Gusty winds up to 50 mph and dry, warm conditions are creating an elevated to critical fire weather threat in the area.

Why it matters

Red Flag Warnings are high-level alerts that indicate an extreme risk of rapid wildfire ignition and spread due to critical weather conditions. This warning is important for residents and local authorities to take immediate action to prevent fires from starting and spreading quickly.

The details

The US National Weather Service Riverton Wyoming is reporting frequent wind gusts of 40 mph, possibly reaching 50 mph, across eastern Sweetwater County and Natrona County. These gusty winds, combined with dry and warm conditions, are creating an elevated to critical fire weather threat in the region. A High Wind Watch will also take effect this evening and last until Tuesday evening.

• The Red Flag Warning is in effect until 5:00 pm on Monday, February 16, 2026.
• The High Wind Watch will take effect at 11:00 pm on Monday, February 16, 2026 and last until 7:00 pm on Tuesday, February 17, 2026.

What’s next

Residents and local authorities should take immediate action to prevent fires from starting and spreading quickly due to the critical fire weather conditions.