Expires:202410171500;;402414 FPUS55 KBYZ 162331 ZFPBYZ Zone Forecast Product for South Central and Southeast Montana National Weather Service Billings MT 531 PM MDT Wed Oct 16 2024 Spot temperatures and probabilities of measurable precipitation are for tonight, Thursday, Thursday night, and Friday. MTZ029-171500- Musselshell- Including the city of Roundup 531 PM MDT Wed Oct 16 2024 .TONIGHT...Mostly cloudy. A 40 percent chance of rain showers after 3 am. Lows in the lower 40s. West winds 5 to 15 mph in the evening shifting to the north overnight. .THURSDAY...Rain showers early in the morning, then chance of rain showers late in the morning. Much colder. Highs in the mid 50s. West winds 5 to 15 mph in the morning shifting to the north 5 to 10 mph in the afternoon. Chance of precipitation 90 percent. .THURSDAY NIGHT...Cloudy. Chance of rain showers in the evening, then slight chance of rain showers overnight. Slight chance of snow showers after 3 am. Lows in the upper 30s. Northwest winds 5 to 10 mph. Chance of precipitation 30 percent. .FRIDAY...Decreasing clouds. Highs in the lower 50s. Northwest winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. Southwest winds 5 to 10 mph. .SATURDAY...Sunny, warmer. Highs in the mid 60s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. .SUNDAY...Sunny. Highs around 70. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. .MONDAY...Partly sunny with a 30 percent chance of rain. Highs in the mid 60s. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain overnight. Lows in the upper 30s. Chance of precipitation 40 percent. .TUESDAY...Mostly sunny with a 20 percent chance of rain. Highs in the upper 50s. .TUESDAY NIGHT...Partly cloudy. Chance of rain in the evening, then slight chance of rain overnight. Lows in the lower 30s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly sunny. Highs in the upper 50s. $$