567
WWUS45 KMSO 181536
WSWMSO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
936 AM MDT Wed Jun 18 2025

MTZ002-191545-
/O.NEW.KMSO.WS.A.0006.250621T1800Z-250622T1800Z/
West Glacier Region-
936 AM MDT Wed Jun 18 2025

...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY MORNING...

* WHAT...Heavy wet snow possible. Chance of moderate to major
  impacts from snow is at least 50 percent. Total snow accumulations
  up to a foot for elevations at and above 6000 feet and 4 inches
  possible down to 4000 feet.

* WHERE...Glacier National Park higher elevations including
  Going-to-the-Sun Road and Logan Pass, Marias Pass, Polebridge, and
  backcountry of the Flathead National Forest.

* WHEN...From Saturday afternoon through Sunday morning.

* IMPACTS...For MODERATE impacts from snow, expect disruptions to
  normal activities. Hazardous traveling conditions. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur. For MAJOR impacts from snow, 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.

* ADDITIONAL DETAILS...Snow loading on trees may produce tree falls
  and create power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.


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