Expires:202512300300;;433432 FPUS55 KBYZ 291115 ZFPBYZ Zone Forecast Product for South Central and Southeast Montana National Weather Service Billings MT 414 AM MST Mon Dec 29 2025 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Tuesday. MTZ228-300300- Southern Wheatland- Including the city of Harlowton 414 AM MST Mon Dec 29 2025 .TODAY...Sunny, windy, warmer. Patchy blowing snow in the morning. Highs in the lower 40s. West winds 15 to 30 mph with gusts to around 45 mph. .TONIGHT...Increasing clouds. Lows in the upper 20s. West winds 15 to 25 mph with gusts to around 40 mph. .TUESDAY...Decreasing clouds. Highs in the upper 40s. West winds 15 to 25 mph. .TUESDAY NIGHT...Partly cloudy. Windy. Lows in the lower 30s. Temperatures rising into the upper 30s after midnight. West winds 15 to 30 mph. Gusts up to 40 mph overnight. .WEDNESDAY...Sunny, windy. Highs in the lower 50s. West winds 15 to 30 mph. .WEDNESDAY NIGHT...Mostly clear. Lows around 30. .NEW YEARS DAY...Partly sunny. Highs around 50. .THURSDAY NIGHT...Mostly cloudy. Lows in the mid 30s. .FRIDAY...Mostly cloudy. Windy. Highs in the lower 50s. .FRIDAY NIGHT...Mostly cloudy. Lows in the lower 30s. .SATURDAY...Partly sunny. Highs in the upper 40s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s. .SUNDAY...Partly sunny. Highs in the upper 40s. $$