Weather forecast for: Fort Shaw MT
Last Update: 10:46 pm MDT Sep 20, 2026
Tonight: Mostly clear, with a low around 46. Light and variable wind.
Monday: Sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night: Mostly clear, with a low around 48. South southeast wind around 6 mph becoming light and variable.
Tuesday: Sunny, with a high near 81. South southwest wind 5 to 7 mph.
Tuesday Night: Partly cloudy, with a low around 50. Southwest wind around 5 mph.
Wednesday: Sunny, with a high near 80. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Wednesday Night: Partly cloudy, with a low around 50. West southwest wind 5 to 10 mph becoming light after midnight.
Thursday: Mostly sunny, with a high near 80. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Thursday Night: Partly cloudy, with a low around 51.
Friday: Mostly sunny, with a high near 77.
Friday Night: A chance of rain. Mostly cloudy, with a low around 47.
Saturday: A chance of rain. Partly sunny, with a high near 61.
Saturday Night: A slight chance of rain. Mostly cloudy, with a low around 42.
Sunday: Partly sunny, with a high near 62.