Weather forecast for: 5 Miles N Big Arm MT
Last Update: 2:01 pm MDT Sep 8, 2026
Tonight: Mostly clear, with a low around 47. Calm wind.
Wednesday: Sunny, with a high near 73. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night: Partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm in the evening.
Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 76. Light south southwest wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.
Thursday Night: A chance of rain, then showers and possibly a thunderstorm after midnight. Low around 50. West southwest wind 5 to 10 mph becoming light south southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday: Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 62. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night: Mostly cloudy, with a low around 46.
Saturday: Mostly cloudy, with a high near 62.
Saturday Night: A chance of rain. Mostly cloudy, with a low around 43.
Sunday: A chance of rain. Mostly cloudy, with a high near 59.
Sunday Night: A chance of rain. Partly cloudy, with a low around 42.
Monday: Sunny, with a high near 63.
Monday Night: Mostly clear, with a low around 44.
Tuesday: Mostly sunny, with a high near 66.