Winter Weather Warnings / Watches / Advisories
Issued by NWS Great Falls, MT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
416
WWUS45 KTFX 032033
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
133 PM MST Wed Dec 3 2025

MTZ317-320-330-041200-
/O.NEW.KTFX.WS.A.0018.251205T0000Z-251206T1200Z/
Little Belt and Highwood Mountains-Big Belt, Bridger and Castle
Mountains-Gallatin and Madison County Mountains and Centennial
Mountains-
Including the following locations: Big Sky, Trident, West
Yellowstone, Raynolds Pass, Maudlow, Deep Creek Pass, Neihart,
Monarch, Targhee Pass, Kings Hill Pass, Battle Ridge Pass, and
Bozeman Pass
133 PM MST Wed Dec 3 2025

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations between 6 and
  12 inches possible. Winds could gust as high as 40 mph.

* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and
  Highwood Mountains, and Gallatin and Madison County Mountains and
  Centennial Mountains.

* WHEN...From Thursday afternoon through late Friday night.

* IMPACTS...Travel could be very difficult and tire chains may be
  required for some vehicles. Those in the backcountry should ensure
  they are prepared for dangerous conditions.

* ADDITIONAL DETAILS...Significant travel impacts to the Thursday
  and Friday commutes are possible for Bozeman Pass and along
  Highway 191 south of Bozeman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

Remember, a Winter Storm Watch means that there is at least a 50%
chance of impactful winter weather conditions during the watch
period.

&&

$$

MTZ301-307-327-041200-
/O.NEW.KTFX.WS.A.0018.251205T1200Z-251207T0000Z/
East Glacier Park Region-Southern Rocky Mountain Front-Northwest
Beaverhead County-
Including the following locations: Babb, Saint Mary, East Glacier
Park, Big Hole Pass, Wisdom, Dewey, Logan Pass, Rogers Pass,
Chief Joseph Pass, Wise River, Marias Pass, and Kiowa
133 PM MST Wed Dec 3 2025

...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
SATURDAY AFTERNOON...

* WHAT...Heavy snow possible. Total snow accumulations between 6 and
  12 inches possible. Winds could gust as high as 40 mph.

* WHERE...The Continental Divide along the Rocky Mountain Front, and
  Northwest Beaverhead County.

* WHEN...From late Thursday night through Saturday afternoon.

* IMPACTS...Travel could be very difficult and tire chains may be
  required for some vehicles. Those in the backcountry should ensure
  they are prepared for dangerous conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

Remember, a Winter Storm Watch means that there is at least a 50%
chance of impactful winter weather conditions during the watch
period.

&&

$$

Glinskas