191 
WWUS45 KMSO 031815
WSWMSO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1215 PM MDT Fri Oct 3 2025

MTZ002-041815-
/O.UPG.KMSO.WS.A.0007.251005T0600Z-251005T1800Z/
/O.NEW.KMSO.WS.W.0009.251005T0600Z-251005T1800Z/
West Glacier Region-
1215 PM MDT Fri Oct 3 2025

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO 
NOON MDT SUNDAY ABOVE 5500 FEET...

* WHAT...Heavy snow expected above 5500 feet. Major winter weather 
  impacts. Total snow accumulations of 4 to 8 inches expected. 15% 
  chance for 10 inches of snow for elevations around Logan Pass. 
  Higher amounts for elevations above 7000 feet. Cold, wet, and 
  windy conditions expected, with east northeast winds in excess of 
  30 mph will lead to concerns for hypothermia.

* WHERE...Glacier National Park higher elevations including 
  Going-to-the-Sun Road and Logan Pass.

* WHEN...From midnight Saturday Night to noon MDT Sunday.

* IMPACTS...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.

* ADDITIONAL DETAILS...Consider delaying backcountry recreation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

MTZ007-041815-
/O.NEW.KMSO.WW.Y.0036.251005T0600Z-251005T1800Z/
Butte/Blackfoot Region-
1215 PM MDT Fri Oct 3 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO 
NOON MDT SUNDAY ABOVE 5500 FEET...

* WHAT...Snow expected above 5500 feet. There is a likelihood of 
  minor to moderate winter weather impacts, for early season snow. 
  Total snow accumulations of 2 to 4 inches.

* WHERE...Backcountry roads. Impacts due to snow are expected to be 
  above pass levels.

* WHEN...From midnight Saturday Night to noon MDT Sunday.

* 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.

* ADDITIONAL DETAILS...Pack additional supplies for cold, wet and 
  breezy conditions in the backcountry.

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.

&&

$$

MTZ043-041815-
/O.NEW.KMSO.WW.Y.0036.251005T0600Z-251005T1800Z/
Potomac/Seeley Lake Region-
1215 PM MDT Fri Oct 3 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO 
NOON MDT SUNDAY ABOVE 5500 FEET...

* WHAT...Snow expected above 5500 feet. There is a likelihood of 
  minor to moderate winter weather impacts, for early season snow. 
  Total snow accumulations of 2 to 4 inches.

* WHERE...Backcountry roads in the Potomac/Seeley Lake Region.

* WHEN...From midnight Saturday Night to noon MDT Sunday.

* 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.

* ADDITIONAL DETAILS...Pack additional supplies for cold, wet and 
  breezy conditions in the backcountry.

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.

&&

$$