10-Day Weather Forecast - Westby, MT

Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 30s. Southwest wind 5 to 10 mph.

Partly cloudy. Lows in the upper 20s. Southwest wind around 10 mph becoming northwest 15 to 20 mph after midnight.

Mostly sunny with strong winds. Highs in the mid 30s. Northwest wind 25 to 35 mph with gusts up to 50 mph increasing to 40 to 45 mph with gusts up to 60 mph in the afternoon.

Mostly cloudy and very windy. Lows around 15.

Mostly sunny and very windy. Highs in the lower 20s.

Mostly cloudy. Lows 5 to 10 above.

Partly cloudy. Highs in the lower 20s. Lows 5 to 10 above.

Partly cloudy. Highs in the lower 20s. Lows 5 to 10 above.

Partly cloudy and brisk. Highs around 30. Lows around 10.

Partly cloudy and brisk. Highs around 30. Lows around 10.

Partly sunny. Highs in the mid 20s.

Partly cloudy. Low temperature around 11F. Dew point will be around 5F with an average humidity of 72%. Winds will be 9 mph from the S.

Cloudy. High temperature around 23F. Dew point will be around 10F with an average humidity of 67%. Winds will be 11 mph from the NW.

Cloudy. Low temperature around 10F. Dew point will be around 7F with an average humidity of 72%. Winds will be 10 mph from the NW.

Cloudy. High temperature around 13F. Dew point will be around 2F with an average humidity of 66%. Winds will be 11 mph from the NW.

Cloudy. Low temperature around 4F. Dew point will be around -1F with an average humidity of 72%. Winds will be 9 mph from the NW.

Cloudy. High temperature around 8F. Dew point will be around -3F with an average humidity of 67%. Winds will be 9 mph from the NW.

Cloudy. Low temperature around 0F. Dew point will be around -3F with an average humidity of 74%. Winds will be 5 mph from the NW.