Headline:
Winter Storm Warning issued March 13 at 4:25AM MDT until March 14 at 12:00PM MDT by NWS Missoula MT
Event:
Winter Storm Warning
Urgency:
Expected
Effective:
March 13, 2026 - 3:25am
Expires:
March 14, 2026 - 3:30am
Description:
* WHAT...Heavy snow and blowing snow expected. There is a likelihood
of major winter weather impacts. Total snow accumulations of 10 to
20 inches for Highway 12 over MacDonald Pass and Georgetown Lake
and the higher terrain. Total snow accumulations of 1 to 6 inches
at lower elevations. Winds gusts to 40 mph.
* WHERE...Highway 12 Garrison to Elliston, Homestake Pass, Butte,
MacDonald Pass, and Georgetown Lake.
* WHEN...Until noon MDT Saturday.
* IMPACTS...Visibilities may drop below 1/4 mile due to falling and
blowing snow. The strong winds and weight of snow on tree limbs
may down power lines and could cause sporadic power outages. For
MAJOR winter weather impacts, expect considerable disruptions to
normal activities. Dangerous or impossible traveling conditions.
Avoid travel in the impacted areas if possible. Widespread
closures and disruptions to infrastructure may occur. The
hazardous conditions could impact the Friday morning and evening
commutes, especially over higher passes. Gusty winds could bring
down tree branches.
Instruction:
Persons should delay all travel if possible. If travel is absolutely
necessary, drive with extreme caution and be prepared for sudden
changes in visibility. Leave plenty of room between you and the
motorist ahead of you, and allow extra time to reach your
destination. Avoid sudden braking or acceleration, and be especially
cautious on hills or when making turns. Make sure your car is
winterized and in good working order.
Area Description:
Butte/Blackfoot Region
Forcast Office:
NWS Missoula MT
Sender: