Butte/Blackfoot Region
Winter Weather Advisory from WED 6:00 PM MDT until FRI 12:00 PM MDT
Issued April, 21 2026 at 1:50 PM - None expires April, 24 2026 at 12:00 PM - None
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT
FRIDAY...
* WHAT...Snow expected. There is a likelihood of moderate to
isolated major winter weather impacts. Total snow accumulations of
2 and 5 inches in the valleys, 5 to 10 inches at pass level, and
over 12 inches in the high terrain. Winds gusting as high as 35
mph.
* WHERE...Georgetown Lake, Butte, Highway 12 Garrison to Elliston,
MacDonald Pass, and Homestake Pass.
* WHEN...From 6 PM Wednesday to noon MDT Friday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. 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 Thursday
morning and evening commutes, especially over higher passes.
* ADDITIONAL DETAILS...The most impactful snow accumulations are
most likely to occur Thursday evening through Friday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
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