Weather forecast for: Sand Coulee MT
Last Update: 12:31 am MDT Sep 13, 2026
Overnight: Mostly clear, with a low around 44. Light east northeast wind.
Sunday: Sunny, then becoming mostly cloudy during the afternoon, with a high near 69. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Sunday Night: Showers and possibly a thunderstorm before 4am, then a slight chance of showers after 5am. Low around 45. West wind 6 to 11 mph becoming southwest 16 to 21 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday: A 40 percent chance of showers, mainly between noon and 4pm. Mostly cloudy, with a high near 61. Breezy, with a southwest wind 21 to 28 mph becoming west northwest in the afternoon. Winds could gust as high as 37 mph.
Monday Night: Partly cloudy, with a low around 41. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Tuesday: Partly sunny, with a high near 67. Calm wind becoming north northeast around 6 mph in the afternoon.
Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 44. North northeast wind 5 to 9 mph becoming light and variable after midnight.
Wednesday: Mostly sunny, with a high near 64. Light and variable wind becoming west 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 46.
Friday: Sunny, with a high near 72.
Friday Night: Mostly clear, with a low around 47.
Saturday: Sunny, with a high near 78.
WeatherWorld.com
