10-Day Weather Forecast - Big Arm, MT

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  • |37°F
    40% Chance of Snow
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    Tonight

    37°F

    Mostly cloudy. Areas of rain until early morning then areas of snow and a slight chance of rain late in the night. Patchy fog until early morning. Areas of fog late in the night. Chance of precipitation 40 percent. Lows in the mid 20s to lower 30s. South winds to 15 mph.

    Hourly details
  • Day

    38°F

    Snow rain and light freezing rain likely in the morning then a chance of rain and snow in the afternoon. Patchy fog in the morning. Chance of precipitation 70 percent. Snow level 3000 feet. Little or no new snow accumulation. Highs in the mid 30s to lower 40s.

    Night

    32°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the 20s to lower 30s.

    Hourly details
  • Day

    35°F

    Slight chance of snow in the morning then snow likely in the afternoon. Chance of snow 60 percent. Highs in the 30s. Southwest winds to 15 mph.

    Night

    33°F

    Snow likely. Chance of snow 90 percent. Lows in the mid 20s to lower 30s. Southwest winds to 15 mph.

    Hourly details
  • Day

    35°F

    Snow likely in the morning then a chance of snow in the afternoon. Chance of snow 70 percent. Highs in the 30s.

    Night

    27°F

    Mostly cloudy with a 50 percent chance of snow. Lows in the 20s.

    Hourly details
  • Day

    33°F

    Snow likely. Chance of snow 80 percent. Highs in the 30s.

    Night

    30°F

    Mostly cloudy with a 50 percent chance of snow. Lows in the 20s.

    Hourly details
  • Day

    36°F

    Mostly cloudy with a 50 percent chance of snow. Highs in the 30s to lower 40s.

    Night

    33°F

    Mostly cloudy. Patchy fog through the night. A 20 percent chance of snow in the evening. Lows in the 20s.

    Hourly details
  • Weekend Weather

  • Day

    40°F

    Mostly cloudy. Patchy fog in the morning. Highs in the mid 30s to lower 40s.

    Night

    29°F

    Mostly cloudy. Lows in the 20s.

    Hourly details
  • Day

    36°F

    Mostly cloudy. Highs in the mid 30s to lower 40s.

    Night

    29°F

    Partly cloudy. Low temperature around 29F. Dew point will be around 24F with an average humidity of 76%. Winds will be 3 mph from the SW.

  • Day

    34°F

    Partly cloudy. High temperature around 34F. Dew point will be around 25F with an average humidity of 73%. Winds will be 3 mph from the S.

    Night

    29°F

    Mostly clear. Low temperature around 29F. Dew point will be around 24F with an average humidity of 77%. Winds will be 2 mph from the SW.

  • Day

    33°F

    Mostly sunny. High temperature around 33F. Dew point will be around 25F with an average humidity of 72%. Winds will be 2 mph from the S.

    Night

    30°F

    Partly cloudy. Low temperature around 30F. Dew point will be around 24F with an average humidity of 75%. Winds will be 2 mph from the S.