FLUS45 KMSO 120801 AFPMSO Area Forecast for Montana west of the Continental Divide National Weather Service Missoula MT 101 AM MST Fri Dec 12 2025 MTZ001>007-043-130300- West of the Continental Divide- National Weather Service Missoula MT 101 AM MST Fri Dec 12 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 5 AM MST SATURDAY for West Glacier Region... .TODAY...Areas of rain and snow likely. Highs in the 40s. .TONIGHT...Mostly cloudy with a chance of rain. Lows in the 30s. .SATURDAY...Mostly cloudy. A chance of rain in the morning. Highs in the mid 40s to lower 50s. .SUNDAY...Partly cloudy. Lows in the mid 20s to lower 30s. Highs in the mid 40s to lower 50s. .MONDAY...Rain likely. Lows in the upper 20s to mid 30s. Highs in the mid 40s to lower 50s. .TUESDAY...Rain likely and a chance of snow. Lows in the mid 30s. Highs in the 40s to lower 50s. $$