Expires:202512100300;;278253 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. MTZ138-100300- Southern Big Horn- Including the cities of Pryor and Lodge Grass 643 AM MST Tue Dec 9 2025 ...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... .TODAY...Windy. Scattered rain showers early in the morning, then numerous rain showers in the late morning and early afternoon. Scattered rain showers late in the afternoon. Highs in the mid 50s. Temperatures falling into the lower 40s in the afternoon. West winds 15 to 30 mph with gusts to around 50 mph. Chance of precipitation 70 percent. .TONIGHT...Mostly cloudy. A 20 percent chance of snow after 3 am. Lows in the upper 20s. Southwest winds 5 to 15 mph. .WEDNESDAY...Chance of snow early in the morning, then snow and rain late in the morning. Rain showers likely in the afternoon. Little or no snow accumulation. Highs in the lower 50s. South winds 5 to 15 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Rain showers likely. Warmer. Lows in the upper 30s. West winds 5 to 15 mph. Chance of precipitation 60 percent. .THURSDAY...Chance of rain showers and slight chance of snow showers in the morning, then rain and snow showers likely in the afternoon. Highs in the upper 50s. West winds 10 to 20 mph. Chance of precipitation 60 percent. .THURSDAY NIGHT...Snow in the evening, then snow likely overnight. Much colder. Accumulations possible. Lows around 8. Chance of precipitation 80 percent. .FRIDAY...Snow likely. Much colder. Accumulations possible. Highs in the lower 20s. Chance of precipitation 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Lows around 7. .SATURDAY...Decreasing clouds. A 30 percent chance of snow in the morning. Highs in the mid 20s. .SATURDAY NIGHT...Mostly cloudy. Lows around 11. .SUNDAY...Partly sunny. Warmer. Highs in the lower 40s. .SUNDAY NIGHT...Partly cloudy. Warmer. Lows in the lower 20s. .MONDAY...Mostly sunny. Highs in the mid 40s. $$