Weather forecast for: Sumatra MT
Last Update: 12:43 am MDT Sep 7, 2026
Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. North northwest wind around 11 mph. Chance of precipitation is 60%.
Labor Day: A 40 percent chance of showers and thunderstorms, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 77. West wind 10 to 15 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph.
Monday Night: Mostly clear, with a low around 50. West wind 16 to 26 mph.
Tuesday: Sunny, with a high near 71. West northwest wind 20 to 28 mph, with gusts as high as 39 mph.
Tuesday Night: Partly cloudy, with a low around 46. West wind 19 to 24 mph decreasing to 7 to 12 mph after midnight.
Wednesday: Sunny, with a high near 80. West southwest wind 7 to 13 mph.
Wednesday Night: Mostly clear, with a low around 50. Northwest wind 5 to 8 mph becoming light and variable.
Thursday: Sunny, with a high near 85. West southwest wind 9 to 17 mph.
Thursday Night: Mostly clear, with a low around 50. North wind 5 to 13 mph.
Friday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 69. North northwest wind 8 to 13 mph.
Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 43. Northeast wind 8 to 15 mph.
Saturday: A 30 percent chance of showers. Partly sunny, with a high near 62. East northeast wind 10 to 14 mph.
Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 40. North northeast wind 10 to 15 mph.
Sunday: A 30 percent chance of showers. Partly sunny, with a high near 59. North northeast wind around 11 mph.
WeatherWorld.com
