Expires:202512290300;;375520 FPUS55 KBYZ 281400 ZFPBYZ Zone Forecast Product for South Central and Southeast Montana National Weather Service Billings MT 658 AM MST Sun Dec 28 2025 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Monday. MTZ042-290300- Golden Valley- Including the cities of Ryegate and Lavina 659 AM MST Sun Dec 28 2025 .TODAY...Sunny. Highs in the upper 20s. West winds 5 to 10 mph. .TONIGHT...Increasing clouds. Warmer. Lows around 18. West winds 5 to 15 mph. .MONDAY...Sunny, warmer. Highs in the lower 40s. West winds 10 to 20 mph. .MONDAY NIGHT...Mostly cloudy. Lows in the upper 20s. West winds 5 to 15 mph. .TUESDAY...Decreasing clouds. Highs in the upper 40s. West winds 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .WEDNESDAY...Partly sunny. Highs in the lower 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .NEW YEARS DAY...Partly sunny. Highs around 50. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 30s. .FRIDAY...Partly sunny. Highs around 50. .FRIDAY NIGHT...Mostly cloudy. Slight chance of rain and snow in the evening, then slight chance of snow overnight. Lows in the mid 20s. Chance of precipitation 20 percent. .SATURDAY...Partly sunny with a 20 percent chance of snow. Highs in the lower 40s. $$