Expires:202512251100;;177481 FPUS65 KTFX 250500 SFPMT State Forecast For Montana National Weather Service Great Falls MT 1000 PM MST Wed Dec 24 2025 MTZ028>042-056>058-063>068-251100- South Central and Southeast Montana- National Weather Service Billings MT 1000 PM MST Wed Dec 24 2025 ...Dense Fog Advisory in effect until 8 AM MST Thursday for portions of Southeast Montana... .TONIGHT...Mostly cloudy. Isolated showers west...and patchy fog east. Lows in the upper 20s to lower 40s. .CHRISTMAS DAY...Partly sunny. Patchy dense fog. Highs in the upper 40s to the upper 50s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 20s to the upper 30s. .FRIDAY...Mostly sunny. Highs in the upper 40s to the upper 50s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s to the lower 30s. .SATURDAY...Partly sunny. Chance of snow showers. Highs in the lower 30s to the lower 40s. .SATURDAY NIGHT...Partly cloudy. Slight chance of snow showers. Lows in the lower single digits above zero to the mid teens above zero. .SUNDAY...Mostly sunny. Highs from the mid 30s west to the teens east. .SUNDAY NIGHT...Mostly clear. Lows from the lower 20s west to the single digits above zero east. .MONDAY...Mostly sunny. Highs in the mid 30s to the mid 40s. $$