Special Weather Statement

Special Weather Statement
National Weather Service Great Falls MT
1107 AM MDT Tue Oct 14 2025

MTZ322-324-141830-
Elkhorn and Boulder Mountains-Missouri Headwaters-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, Homestake Pass, Harrison, Three Forks,
Willow Creek, Pony, and Whitehall
1107 AM MDT Tue Oct 14 2025

...Heavy snow showers moving through the Whitehall and Boulder
areas...

A band of heavier snowfall is moving northward through the
Whitehall, Elk Park and Boulder areas as of 11 AM this morning.
This also includes portions of Interstate 15 over Elk Park Pass
from Butte to Boulder and portions of Interstate 90 over Homestake
Pass from Butte to Cardwell Hill.

Visibility will fall down to a quarter of a mile for a short time.
Roadways will become snow covered and slippery. New snow
accumulations of around a half inch are possible as this band of
snow moves through.

$$

Special Weather Statement
National Weather Service Missoula MT
1139 AM MDT Tue Oct 14 2025

MTZ007-141845-
Butte/Blackfoot Region MT-
1139 AM MDT Tue Oct 14 2025

...An intense snow shower will impact portions of northeastern Deer
Lodge, northwestern Silver Bow and southeastern Powell Counties
through 1245 PM MDT...

At 1138 AM MDT, Doppler radar was tracking intense snow showers over
Interstate 90 from Garrison to Butte, moving northwest at 20 mph.
Expect periods of reduced visibility and scattered snow covered
roads.

HAZARD...Visibility one-half mile or less.

SOURCE...Radar indicated.

IMPACT...Low visibility could result in dangerous driving
         conditions.

Locations impacted include...
Deer Lodge, Garrison, Warm Springs, Galen, Avon, Racetrack, and
Elliston.

This includes the following highways...
 Interstate 90 between mile markers 168 and 202.
 Highway 12 Garrison to MacDonald Pass between mile markers 0 and 17.

LAT...LON 4638 11235 4639 11240 4635 11245 4633 11246
      4634 11247 4634 11250 4633 11250 4633 11253
      4630 11257 4628 11256 4626 11256 4613 11278
      4656 11298 4665 11257 4642 11232
TIME...MOT...LOC 1738Z 142DEG 17KT 4656 11284

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH

$$