Expires:202512100300;;278255 FPUS55 KBYZ 091344 ZFPBYZ Zone Forecast Product for South Central and Southeast Montana National Weather Service Billings MT 643 AM MST Tue Dec 9 2025 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Wednesday. MTZ169-100300- Bighorn Canyon- Including the city of Fort Smith 643 AM MST Tue Dec 9 2025 ...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... .TODAY...Mostly cloudy. Isolated rain showers early in the morning, then scattered rain showers in the late morning and afternoon. Windy. Highs in the upper 50s. Temperatures falling into the mid 40s in the afternoon. West winds 25 to 40 mph with gusts to around 60 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy. A 40 percent chance of snow after 3 am. Colder. Lows around 30. West winds 15 to 25 mph in the evening becoming southwest 5 to 15 mph overnight. .WEDNESDAY...Snow likely and slight chance of rain early in the morning, then rain, snow and light freezing rain late in the morning. Chance of rain showers in the afternoon. Little or no snow accumulation. Highs in the lower 50s. Southwest winds 10 to 20 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Cloudy with a 50 percent chance of rain showers. Warmer. Lows in the lower 40s. Southwest winds 15 to 25 mph. .THURSDAY...Mostly cloudy. Chance of rain showers through the day. Slight chance of snow showers early in the afternoon, then chance of snow showers late in the afternoon. Highs in the upper 50s. Southwest winds 15 to 25 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Snow in the evening, then snow likely overnight. Much colder. Accumulations possible. Lows around 12. Chance of precipitation 80 percent. .FRIDAY...Snow likely in the morning, then chance of snow in the afternoon. Much colder. Accumulations possible. Highs in the upper 20s. Chance of precipitation 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Lows around 12. .SATURDAY...Decreasing clouds. A 30 percent chance of snow in the morning. Highs in the upper 20s. .SATURDAY NIGHT...Mostly cloudy. Lows around 16. .SUNDAY...Partly sunny. Warmer. Highs in the mid 40s. .SUNDAY NIGHT...Mostly cloudy. Warmer. Lows in the upper 20s. .MONDAY...Mostly sunny. Highs in the upper 40s. $$