Thu Feb 20 06:13:10 AM EST 2025 Musselshell- Including the city of Roundup 412 AM MST Thu Feb 20 2025 .TODAY...Mostly cloudy. Not as cold. Highs in the mid 30s. Southwest winds 5 to 10 mph. .TONIGHT...Partly cloudy. Warmer. Lows around 15. Southwest winds 5 to 10 mph. .FRIDAY...Sunny. Highs in the upper 30s. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s. Southwest winds 10 to 20 mph. .SATURDAY...Decreasing clouds. Highs in the mid 40s. West winds 10 to 20 mph. .SATURDAY NIGHT...Mostly cloudy. Warmer. Lows in the lower 30s. .SUNDAY...Mostly cloudy. Highs in the mid 40s. .SUNDAY NIGHT...Mostly cloudy. Lows in the upper 30s. .MONDAY...Mostly sunny. Highs in the upper 40s. .MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. .TUESDAY...Partly sunny with a 20 percent chance of rain. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then slight chance of rain and snow overnight. Lows in the lower 30s. Chance of precipitation 20 percent. .WEDNESDAY...Mostly sunny. Highs in the mid 40s.