Expires:202512211100;;931460 FPUS55 KMSO 202004 ZFPMSO Zone Forecast Product National Weather Service Missoula MT 103 PM MST Sat Dec 20 2025 MTZ007-211100- Butte/Blackfoot Region- Including the cities of Anaconda, Deer Lodge, and Drummond 103 PM MST Sat Dec 20 2025 .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 15 to 22. Southeast winds to 15 mph. .SUNDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the 30s to lower 40s. .SUNDAY NIGHT...Rain likely and a slight chance of snow in the evening, then rain and snow likely after midnight. Patchy fog after midnight. Chance of precipitation 80 percent. Little or no new snow accumulation. Lows in the mid 20s to lower 30s. South winds to 15 mph. .MONDAY...Rain and snow likely in the morning, then slight chance of snow in the afternoon. Chance of precipitation 70 percent. Snow level 5000 feet. Highs in the mid 30s to lower 40s. West winds to 15 mph. .MONDAY NIGHT...Mostly cloudy. Lows in the 20s. .TUESDAY...Mostly cloudy. A 20 percent chance of rain and snow in the afternoon. Highs in the upper 30s to mid 40s. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 20s to lower 30s. .WEDNESDAY...Mostly cloudy. A 40 percent chance of rain and snow in the afternoon. Highs in the 40s. .WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain and snow. Lows in the 20s. .CHRISTMAS DAY...Mostly cloudy with a 20 percent chance of snow. Highs in the mid 30s to lower 40s. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of snow. Lows in the 20s to lower 30s. .FRIDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the mid 30s to lower 40s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow. Lows 16 to 23. .SATURDAY...Partly cloudy. Highs in the 30s. $$