Weather forecast for: Big Sandy MT
Last Update: 12:31 am MDT Sep 13, 2026
Overnight: Mostly clear, with a low around 43. Northeast wind 3 to 5 mph.
Sunday: Mostly sunny, with a high near 71. East northeast wind 6 to 11 mph becoming east southeast 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night: Showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Low around 45. Southeast wind 6 to 9 mph becoming northwest in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday: A 50 percent chance of showers after 3pm. Mostly cloudy, with a high near 61. Southwest wind 10 to 15 mph becoming west northwest 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.
Monday Night: Partly cloudy, with a low around 40. Northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.
Tuesday: Mostly cloudy, with a high near 66. Calm wind becoming east southeast around 6 mph in the afternoon.
Tuesday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 44. East wind 3 to 8 mph.
Wednesday: Mostly sunny, with a high near 66. Calm wind becoming north northwest around 5 mph.
Wednesday Night: Mostly clear, with a low around 42.
Thursday: Sunny, with a high near 71.
Thursday Night: Mostly clear, with a low around 44.
Friday: Sunny, with a high near 73.
Friday Night: Mostly clear, with a low around 47.
Saturday: Sunny, with a high near 76.
WeatherWorld.com
