Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
256 PM MST Tue Dec 16 2025

MTZ315>317-319>330-171300-
/O.CON.KTFX.HW.W.0033.251217T1000Z-251218T0700Z/
Upper Blackfoot and MacDonald Pass-Gates of the Mountains-Little
Belt and Highwood Mountains-Helena Valley-Big Belt, Bridger and
Castle Mountains-Meagher County Valleys-Elkhorn and Boulder
Mountains-Canyon Ferry Area-Missouri Headwaters-Madison River
Valley-Gallatin Valley-Northwest Beaverhead County-Beaverhead and
Western Madison below 6000ft-Ruby Mountains and Southern
Beaverhead Mountains-Gallatin and Madison County Mountains and
Centennial Mountains-
Including the following locations: Bozeman Pass, Jeffers, Big
Sky, MacDonald Pass, Homestake Pass, Wise River, Corbin, Big Hole
Pass, Toston, Winston, Bozeman, Bannack, Ringling, Lincoln,
Neihart, Monarch, Harrison, Three Forks, Glen, Monida Pass, Deep
Creek Pass, Trident, Gallatin Gateway, West Yellowstone, Canyon
Creek, Norris, Elk Park Pass, Clancy, Cameron, Marysville, Pony,
Battle Ridge Pass, Ennis, Raynolds Pass, Helena, Wisdom, Chief
Joseph Pass, Martinsdale, Waterloo, Kings Hill Pass, McAllister,
Boulder, Dillon, White Sulphur Springs, Targhee Pass, Wickes,
Dewey, Flesher Pass, Whitehall, Craig, Townsend, Maudlow, Montana
City, Willow Creek, Wolf Creek, and Checkerboard
256 PM MST Tue Dec 16 2025

...HIGH WIND WARNING REMAINS IN EFFECT FROM 3 AM WEDNESDAY TO
MIDNIGHT MST WEDNESDAY NIGHT...

* WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected.
  Isolated gusts in excess of 85 mph will be possible in wind prone
  areas.

* WHERE...Portions of central and southwest Montana.

* WHEN...From 3 AM Wednesday to midnight MST Wednesday Night.

* IMPACTS...Travel will be very difficult, especially for high
  profile vehicles. Damaging winds will blow down trees and power
  lines. Power outages are expected. Isolated blowing snow in the
  mountains and dust at lower elevations will cause areas of poor
  visibility.

* ADDITIONAL DETAILS...This is a dangerous situation! This windstorm
  will be reminiscent of the January 2021 windstorm.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown around
or damaged by the wind.

If at all possible, consider delaying travel during the period of
highest winds or finding an alternate route.

Remember, a High Wind Warning means that there is at least an 80%
chance of 40 mph sustained winds or 58 mph wind gusts occurring
during the warning period.

&&

$$

Ludwig

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
241 PM MST Tue Dec 16 2025

MTZ317-327-329-330-171245-
/O.NEW.KTFX.WW.Y.0057.251217T0000Z-251218T0600Z/
Little Belt and Highwood Mountains-Northwest Beaverhead County-
Ruby Mountains and Southern Beaverhead Mountains-Gallatin and
Madison County Mountains and Centennial Mountains-
Including the following locations: Neihart, Monarch, Big Hole
Pass, Monida Pass, Raynolds Pass, Targhee Pass, Wisdom, Big Sky,
Chief Joseph Pass, Wise River, West Yellowstone, Dewey, and Kings
Hill Pass
241 PM MST Tue Dec 16 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations up to 6 inches.
  Winds gusting as high as 75 mph.

* WHERE...The Mountains of Southwestern Montana south of Interstate
  90, and Little Belt and Highwood Mountains.

* WHEN...Until 11 PM MST Wednesday.

* IMPACTS...Travel could be very difficult. Widespread blowing snow
  could significantly reduce visibility. Very strong winds could
  cause extensive tree damage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.

Remember, a Winter Weather Advisory means that there is at least an
80% chance of minor impacts due to winter weather conditions during
the advisory period.

&&

$$

Ludwig

Hazard Report Provided By forecast.weather.gov