10-Day Weather Forecast - Big Arm, MT

Mostly cloudy. Patchy fog in the morning. Highs in the 40s.

Mostly cloudy. Patchy fog. Lows in the upper 20s to mid 30s.

Mostly cloudy. Patchy fog in the morning. Highs in the 40s to lower 50s.

Mostly cloudy in the evening then becoming partly cloudy. Patchy fog. Lows in the upper 20s to mid 30s.

Partly cloudy. Patchy fog in the morning. Highs in the mid 40s to lower 50s.

Mostly clear. Patchy fog after midnight. Lows in the mid 20s to lower 30s.

Partly cloudy. Patchy fog in the morning. Highs in the 40s to lower 50s.

Partly cloudy. Patchy fog after midnight. Lows in the mid 20s to lower 30s.

Mostly cloudy. Highs in the 40s.

Mostly cloudy. A 20 percent chance of rain after midnight. Lows in the upper 20s to mid 30s.

Mostly cloudy with a 30 percent chance of rain. Highs in the 40s.

Mostly cloudy with a 40 percent chance of rain. Lows in the upper 20s to mid 30s.

Mostly cloudy with a 30 percent chance of rain. Highs in the 40s.

Mostly cloudy. Low temperature around 33F. Dew point will be around 29F with an average humidity of 75%. Winds will be 2 mph from the SW.

Cloudy. High temperature around 40F. Dew point will be around 29F with an average humidity of 69%. Winds will be 2 mph from the SW.

Cloudy. Low temperature around 31F. Dew point will be around 26F with an average humidity of 71%. Winds will be 1 mph from the NW.

Partly cloudy. High temperature around 38F. Dew point will be around 27F with an average humidity of 67%. Winds will be 1 mph from the SW.

Partly cloudy. Low temperature around 29F. Dew point will be around 24F with an average humidity of 71%. Winds will be 2 mph from the SW.