10-Day Weather Forecast - Big Arm, MT

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  • 55|38°F
    40% Chance of Rain
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    Today

    55°F

    Mostly cloudy with a 40 percent chance of areas of rain. Patchy fog early in the morning. Highs in the mid 50s to lower 60s.

    Tonight

    38°F

    Mostly clear. Lows in the 30s.

    Hourly details
  • Day

    60°F

    Mostly sunny. Highs in the 60s.

    Night

    38°F

    Mostly clear. Lows in the 30s to lower 40s.

    Hourly details
  • Day

    65°F

    Partly cloudy. Highs in the mid 60s to lower 70s.

    Night

    42°F

    Partly cloudy. Lows in the upper 30s to mid 40s.

    Hourly details
  • Weekend Weather

  • Day

    65°F

    Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the mid 60s to lower 70s.

    Night

    43°F

    Mostly cloudy. Lows in the upper 30s to mid 40s.

    Hourly details
  • Day

    67°F

    Mostly sunny. Highs in the upper 60s to mid 70s.

    Night

    43°F

    Mostly clear. Lows in the upper 30s to mid 40s.

    Hourly details
  • Day

    70°F

    Mostly sunny. Highs in the 70s.

    Night

    46°F

    Mostly clear. Lows in the 40s.

    Hourly details
  • Day

    66°F

    Mostly sunny. Highs in the 70s.

    Night

    45°F

    Mostly clear. Low temperature around 45F. Dew point will be around 41F with an average humidity of 68%. Winds will be 4 mph from the N.

  • Day

    60°F

    Sunny. High temperature around 60F. Dew point will be around 42F with an average humidity of 63%. Winds will be 3 mph from the N.

    Night

    41°F

    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 42F with an average humidity of 75%. Winds will be 3 mph from the N.

  • Day

    60°F

    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 60F. Dew point will be around 41F with an average humidity of 63%. Winds will be 2 mph from the N.

    Night

    41°F

    Mostly cloudy. Low temperature around 41F. Dew point will be around 39F with an average humidity of 69%. Winds will be 2 mph from the NW.

  • Day

    62°F

    Partly cloudy. High temperature around 62F. Dew point will be around 39F with an average humidity of 57%. Winds will be 1 mph from the N.

    Night

    42°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 42F. Dew point will be around 38F with an average humidity of 65%. Winds will be 2 mph from the N.