Winter Storm Warning Issued for Bighorn Mountains; Up to 20 Inches of Snow Expected

Alert Details

The National Weather Service in Billings, MT, has issued a Winter Storm Warning for the Pryor/Northern Bighorn Mountains and Northeast Bighorn Mountains. This alert is effective starting at 6:00 PM MDT this evening and is scheduled to remain in place until 6:00 AM MDT on Sunday, March 15.

Affected Areas

The warning specifically covers the following geographic regions:

• Montana: Pryor and Northern Bighorn Mountains.
• Wyoming: Northeast Bighorn Mountains.

What You Should Do

Residents and travelers in the warning area should take the following precautions:

• If travel is necessary, keep an extra flashlight, food, and water in your vehicle for emergency situations.
• Call 5-1-1 for the latest road conditions before departing.
• Be aware that recreation in the high country will be severely impacted by heavy accumulating snow.
• Prepare for difficult to impossible travel conditions, particularly along US-14 through Burgess Junction.

Expected Conditions

Forecasters expect prolonged periods of heavy snow throughout the duration of the warning. Total snow accumulations are projected to reach between 10 and 20 inches. Additionally, wind gusts could reach as high as 60 mph this evening before decreasing tonight. These high winds combined with heavy snow are expected to cause blowing snow and significantly reduced visibility.

Timeline

The Winter Storm Warning begins at 6:00 PM MDT on Thursday, March 12, 2026. The hazardous conditions are expected to persist through the weekend, with the alert currently set to expire at 6:00 AM MDT on Sunday, March 15, 2026.