Expires:202512212000;;952591 FPUS55 KBYZ 210518 ZFPBYZ Zone Forecast Product for South Central and Southeast Montana National Weather Service Billings MT 1016 PM MST Sat Dec 20 2025 Spot temperatures and probabilities of measurable precipitation are for the rest of tonight, Sunday, Sunday night, and Monday. MTZ031-212000- Northern Rosebud- Including the cities of Colstrip and Forsyth 1016 PM MST Sat Dec 20 2025 .REST OF TONIGHT...Mostly clear. Lows in the lower 20s. Southwest winds 5 to 10 mph. .SUNDAY...Partly sunny. Highs in the lower 40s. East winds 5 to 10 mph. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the upper 20s. Southeast winds 5 to 10 mph. .MONDAY...Mostly cloudy. A 30 percent chance of rain in the morning. Highs in the upper 40s. West winds 5 to 10 mph. .MONDAY NIGHT...Mostly cloudy. Lows in the upper 20s. West winds 5 to 10 mph in the evening shifting to the southeast overnight. .TUESDAY...Mostly cloudy. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .WEDNESDAY...Partly sunny in the morning then becoming sunny early in the afternoon then becoming partly sunny late in the afternoon. Highs in the upper 40s. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .CHRISTMAS DAY...Mostly sunny. Highs in the mid 40s. .THURSDAY NIGHT...Mostly cloudy. Lows in the mid 20s. .FRIDAY...Mostly cloudy with a 20 percent chance of rain and snow. Highs in the lower 40s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s. .SATURDAY...Sunny. Highs in the upper 30s. $$