Weather forecast for: Cascade MT
Last Update: 12:31 am MDT Aug 22, 2026
Overnight: Mostly cloudy, with a low around 60. Calm wind.
Saturday: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 92. Calm wind becoming south southeast around 6 mph in the afternoon.
Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 60. South wind 6 to 10 mph becoming west southwest in the evening.
Sunday: A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 90. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Sunday Night: Mostly clear, with a low around 53. West wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Monday: Sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon.
Monday Night: Mostly clear, with a low around 53. North northeast wind 5 to 9 mph becoming calm after midnight.
Tuesday: Sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night: Partly cloudy, with a low around 56.
Wednesday: Mostly sunny, with a high near 91.
Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 56.
Thursday: Sunny, with a high near 87.
Thursday Night: Partly cloudy, with a low around 52.
Friday: Sunny, with a high near 85.