10-Day Weather Forecast - Sumatra, MT

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  • 40|33°F
    Mostly Sunny
    Arrow up

    Today

    40°F

    Mostly sunny. Not as cold. Highs in the upper 30s. West winds 5 to 15 mph.

    Tonight

    33°F

    Mostly cloudy. A 20 percent chance of rain and snow showers overnight. Warmer. Lows in the mid 20s. Southwest winds 5 to 15 mph.

    Hourly details
  • Day

    41°F

    Increasing clouds. Highs in the lower 40s. West winds 10 to 20 mph.

    Night

    38°F

    Cloudy. Slight chance of rain showers in the evening then chance of rain showers overnight. Lows in the mid 30s. Temperatures rising into the lower 40s after midnight. Southwest winds 5 to 15 mph. Chance of precipitation 40 percent.

    Hourly details
  • Day

    45°F

    Mostly cloudy. A 30 percent chance of rain showers. Highs around 50. West winds 15 to 25 mph. Gusts up to 40 mph in the afternoon.

    Night

    30°F

    Mostly cloudy. Slight chance of rain showers in the evening. Slight chance of snow showers late in the evening then chance of rain and snow showers overnight. Lows in the upper 20s. Chance of precipitation 30 percent.

    Hourly details
  • Day

    36°F

    Colder. Chance of rain and snow showers in the morning then rain showers likely in the afternoon. Highs in the upper 30s. Chance of precipitation 70 percent.

    Night

    16°F

    Rain and snow showers likely in the evening then chance of snow showers overnight. Colder. Lows around 11. Chance of precipitation 60 percent.

    Hourly details
  • Day

    14°F

    Mostly cloudy with a 40 percent chance of snow. Colder. Highs in the lower 20s.

    Night

    -1°F

    Mostly cloudy with a 40 percent chance of snow. Colder. Lows around 2 below.

    Hourly details
  • Day

    7°F

    Mostly cloudy with a 30 percent chance of snow. Highs around 12.

    Night

    6°F

    Mostly cloudy. Chance of snow in the evening then slight chance of snow overnight. Lows around 3. Chance of precipitation 30 percent.

    Hourly details
  • Weekend Weather

  • Day

    19°F

    Mostly cloudy with a 20 percent chance of snow showers. Not as cold. Highs in the mid 20s.

    Night

    19°F

    Mostly cloudy. Lows around 11.

  • Day

    29°F

    Partly sunny. Highs in the lower 30s.

    Night

    22°F

    Partly cloudy. Low temperature around 22F. Dew point will be around 20F with an average humidity of 85%. Winds will be 2 mph from the W.

  • Day

    28°F

    Partly cloudy. High temperature around 28F. Dew point will be around 22F with an average humidity of 82%. Winds will be 4 mph from the SW.

    Night

    23°F

    Mostly cloudy. Low temperature around 23F. Dew point will be around 21F with an average humidity of 84%. Winds will be 4 mph from the W.

  • Day

    29°F

    Partly cloudy. High temperature around 29F. Dew point will be around 22F with an average humidity of 80%. Winds will be 4 mph from the SW.

    Night

    22°F

    Cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 22F. Dew point will be around 22F with an average humidity of 85%. Winds will be 4 mph from the W.