10-Day Weather Forecast - Westby, MT

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.

Cloudy with a 40 percent chance of snow. Very windy with lows around 10. Northwest wind 35 to 40 mph with gusts up to 55 mph. Wind chill values around 5 below after midnight.

Partly sunny in the morning then clearing. Very windy and colder with highs 15 to 20. Northwest wind 35 to 40 mph with gusts up to 55 mph. Wind chill values around 10 below.

Partly cloudy and blustery. Lows around 5 below. Northwest wind 15 to 25 mph. Gusts up to 40 mph in the evening. Wind chill values around 20 below.

Mostly sunny. Highs in the lower 20s.

Mostly cloudy and windy. Lows around 10. Highs in the lower 20s.

Mostly cloudy and windy. Lows around 10. Highs in the lower 20s.

Mostly cloudy. Lows zero to 5 above. Highs 15 to 20.

Mostly cloudy. Lows zero to 5 above. Highs 15 to 20.

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

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

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

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

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

Cloudy. High temperature around 14F. Dew point will be around 5F with an average humidity of 69%. Winds will be 8 mph from the NW.

Cloudy. Low temperature around 4F. Dew point will be around 0F with an average humidity of 71%. Winds will be 9 mph from the NW.

Cloudy. High temperature around 7F. Dew point will be around -2F with an average humidity of 69%. Winds will be 7 mph from the NW.

Cloudy. Low temperature around 3F. Dew point will be around -3F with an average humidity of 72%. Winds will be 5 mph from the NW.