Winter Storm Warning Issued for Wind River Mountains West

Alert Details

The National Weather Service in Riverton, WY, has issued a Winter Storm Warning for the Wind River Mountains West. The alert is officially in effect from 5:00 AM MST Tuesday, February 24, until 5:00 PM MST Wednesday, February 25.

Affected Areas

The warning covers the Wind River Mountains West region. This includes specific geographic zones identified by the NWS as WYZ014, impacting areas within the range and key transit points such as South Pass.

Expected Conditions

Significant winter weather conditions are anticipated throughout the warning period:

• Snowfall: Heavy snow is expected with total accumulations between 12 and 18 inches over the northern half of the range. South Pass may see 1 to 2 inches of accumulation Tuesday night into Wednesday morning.
• Wind: High winds are expected over South Pass, with gusts reaching 50 mph on Tuesday and increasing to 60 mph on Wednesday.
• Visibility and Travel: Travel is expected to be very difficult over South Pass. The hazardous conditions are likely to impact both the Tuesday evening and Wednesday morning commutes.

Timeline

• Onset: Tuesday, February 24 at 5:00 AM MST
• Duration: The warning remains active through Wednesday afternoon.
• Expiration: Wednesday, February 25 at 5:00 PM MST

What You Should Do

Residents and travelers are urged to prepare for hazardous conditions. If you must travel, the National Weather Service recommends keeping an extra flashlight, food, and water in your vehicle in case of an emergency. For those traveling through the region, winter road conditions can be monitored via the Wyoming Department of Transportation website.