Weather forecast for: Box Elder MT
Last Update: 5:57 pm MDT Sep 6, 2026
Tonight: Showers and thunderstorms before 5am, then showers likely. Some of the storms could be severe. Patchy fog before 1am, then patchy fog after 2am. Low around 52. North northeast wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Labor Day: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before noon. High near 66. Breezy, with a north wind 5 to 10 mph becoming west southwest 15 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night: Showers. Low around 47. Breezy, with a west wind 21 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday: Showers. High near 63. West wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 44. West wind 5 to 13 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.
Wednesday: Sunny, with a high near 75. South southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Wednesday Night: Mostly clear, with a low around 48. South southwest wind 6 to 8 mph.
Thursday: Sunny, with a high near 78. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Thursday Night: A slight chance of showers after midnight. Partly cloudy, with a low around 46.
Friday: A chance of showers, mainly before noon. Partly sunny, with a high near 66.
Friday Night: A chance of showers. Mostly cloudy, with a low around 40.
Saturday: A chance of showers. Partly sunny, with a high near 61.
Saturday Night: A chance of showers. Mostly cloudy, with a low around 38.
Sunday: A slight chance of showers. Mostly sunny, with a high near 65.