10-Day Weather Forecast - Sidney, MT

Mostly sunny. Highs in the mid 30s. West wind around 10 mph.

Mostly cloudy. Lows around 15. West wind around 5 mph.

Partly sunny in the morning then becoming mostly cloudy. Highs in the mid 20s. North wind 5 to 10 mph becoming northeast in the afternoon.

Mostly cloudy. Lows 5 to 10 above.

Mostly sunny. Highs in the lower 20s.

Mostly cloudy. Lows around 10. Highs in the upper 20s.

Mostly cloudy. Lows around 10. Highs in the upper 20s.

Mostly cloudy. Lows around 10. Highs in the upper 20s.

Mostly sunny. Highs in the upper 20s.

A slight chance of snow. Lows around 10. Highs in the lower 30s.

A slight chance of snow. Lows around 10. Highs in the lower 30s.

Mostly cloudy. Low temperature around 18F. Dew point will be around 17F with an average humidity of 83%. Winds will be 6 mph from the NW.

Mostly sunny. High temperature around 30F. Dew point will be around 20F with an average humidity of 78%. Winds will be 5 mph from the W.

Mostly clear. Low temperature around 20F. Dew point will be around 18F with an average humidity of 84%. Winds will be 4 mph from the SW.

Partly cloudy. High temperature around 32F. Dew point will be around 22F with an average humidity of 74%. Winds will be 7 mph from the W.

Partly cloudy. Low temperature around 22F. Dew point will be around 19F with an average humidity of 80%. Winds will be 7 mph from the W.

Partly cloudy. High temperature around 32F. Dew point will be around 23F with an average humidity of 73%. Winds will be 9 mph from the W.

Mostly clear. Low temperature around 20F. Dew point will be around 19F with an average humidity of 84%. Winds will be 5 mph from the W.