Weather forecast for: Roundup MT
Last Update: 11:42 am MDT Oct 27, 2026
This Afternoon: Sunny, with a high near 58. West wind 18 to 26 mph.
Tonight: Partly cloudy, with a low around 31. Southwest wind 6 to 15 mph.
Wednesday: Sunny, with a high near 57. West southwest wind 8 to 14 mph.
Wednesday Night: Mostly clear, with a low around 28. West southwest wind 5 to 7 mph.
Thursday: Sunny, with a high near 49. West wind 5 to 8 mph becoming northeast in the afternoon.
Thursday Night: Increasing clouds, with a low around 28. North northeast wind 5 to 8 mph.
Friday: Mostly cloudy, with a high near 49. Light and variable wind.
Friday Night: Mostly cloudy, with a low around 28. Calm wind.
Saturday: Partly sunny, with a high near 54. Calm wind.
Saturday Night: A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 31. Light and variable wind.
Sunday: A 50 percent chance of showers. Partly sunny, with a high near 52. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 30. West northwest wind 5 to 7 mph. Chance of precipitation is 50%.
Monday: A chance of rain and snow showers. Partly sunny, with a high near 51. Northwest wind 8 to 11 mph. Chance of precipitation is 30%.
WeatherWorld.com
City of Roundup, MT
