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

Source: NOAA · Bighorn Mountains (Montana and Wyoming)

This alert is no longer in effect.

NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

A Winter Storm Warning is in effect for the Bighorn Mountains in Montana and Wyoming, with heavy snow and 60 mph wind gusts expected through Sunday morning.

Read this weather record in 30 seconds

Record type
Winter Storm Warning
Affected area
Bighorn Mountains (Montana and Wyoming)
Issued
April 6, 2026
Issuing authority
NWS Billings

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Bighorn Mountains (Montana and Wyoming).

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.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Winter Storm Warning is in effect for the Bighorn Mountains in Montana and Wyoming, with heavy snow and 60 mph wind gusts expected through Sunday morning.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Bighorn Mountains (Montana and Wyoming). Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.