Winter Storm Warning Issued for Potomac and Seeley Lake Regions Through Saturday

Source: NOAA · Potomac/Seeley Lake Region, Montana

This alert is no longer in effect.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 major winter storm is expected to bring up to 3 feet of snow to the mountains and 6 to 12 inches to lower elevations in the Potomac and Seeley Lake regions.

Read this weather record in 30 seconds

Record type
Winter Storm Warning
Affected area
Potomac/Seeley Lake Region, Montana
Issued
April 6, 2026
Issuing authority
NWS Missoula MT

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 Potomac/Seeley Lake Region, Montana.

Alert Details

The National Weather Service in Missoula, MT, has issued a Winter Storm Warning for the Potomac and Seeley Lake regions. This alert indicates that heavy snow and major winter storm impacts are likely, which may cause significant disruptions to daily activities and infrastructure.

Affected Areas

The warning covers the Potomac/Seeley Lake Region, specifically impacting the following travel corridors:

  • I-90: From East Missoula to Bearmouth
  • Highway 83: From Seeley Lake to Condon
  • Highway 200: From Bonner to Greenough

What You Should Do

Residents and travelers are strongly advised to delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Maintain a safe distance from other motorists and allow extra time to reach your destination. Avoid sudden braking or acceleration, especially on hills or turns.

If you must travel, ensure your vehicle is winterized and in good working order. Keep an emergency kit in your vehicle containing:

  • An extra flashlight
  • Food
  • Water

For the latest road conditions, residents can call 5-1-1.

Expected Conditions

  • Snow Accumulation: Total accumulations between 6 to 12 inches are expected in lower elevations, with 1 to 3 feet of snow possible in the mountains.
  • Wind: Gusts are expected to reach as high as 40 mph.
  • Impacts: Expect dangerous or impossible traveling conditions and widespread closures. Major winter weather impacts are anticipated.

Timeline

The Winter Storm Warning is effective from 6:00 PM MDT on Thursday, March 12, until 12:00 PM MDT on Saturday, March 14.

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 major winter storm is expected to bring up to 3 feet of snow to the mountains and 6 to 12 inches to lower elevations in the Potomac and Seeley Lake regions.
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 Potomac/Seeley Lake Region, Montana. 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.