High Wind Warning Issued for Natrona County and Green Mountains; Gusts Up to 70 MPH Expected

Alert Details

The National Weather Service (NWS) in Riverton has issued a High Wind Warning for portions of central Wyoming. This alert is in effect for the day of Wednesday, February 25, 2026.

Affected Areas

The warning covers the following geographic regions:

• Green Mountains and Rattlesnake Range
• Natrona County Lower Elevations

Specific travel corridors expected to see the highest impacts include Wyoming Highway 287 from Jeffery City to Muddy Gap and Highway 258 on the south side of Casper.

Expected Conditions

Residents should prepare for sustained west winds between 30 and 40 mph. Peak wind gusts are expected to vary by elevation:

• Natrona County Lower Elevations: Gusts up to 60 mph.
• Green Mountains and Rattlesnake Range: Gusts up to 70 mph.

Timeline

The High Wind Warning officially begins at 8:00 AM MST on Wednesday, February 25, and is scheduled to expire at 5:00 PM MST the same day.

What You Should Do

Travel could be difficult, particularly for high-profile vehicles susceptible to strong crosswinds. The National Weather Service advises motorists to use caution if they must drive during the warning period. Residents are encouraged to monitor local conditions and secure any loose outdoor items that could be displaced by the wind.