10-Day Weather Forecast - Sidney, MT

Mostly sunny. Warmer with highs in the upper 30s. Southeast wind 5 to 10 mph becoming south in the afternoon. Wind chill values near zero in the morning.

Mostly clear. Lows 15 to 20. South wind around 5 mph.

Sunny. Highs in the upper 40s. South wind around 5 mph becoming northwest in the afternoon.

Partly cloudy. Lows around 20. Northeast wind around 5 mph.

Sunny. Highs in the lower 50s.

Mostly cloudy. Lows in the lower 30s. Highs in the upper 50s.

Mostly cloudy. Lows in the lower 30s. Highs in the upper 50s.

A slight chance of rain. Lows in the upper 20s.

A slight chance of snow and rain. Cooler with highs in the lower 40s.

Mostly cloudy. Lows around 20.

Mostly clear. Highs in the lower 40s. Lows in the mid 20s.

Mostly clear. Highs in the lower 40s. Lows in the mid 20s.

Mostly sunny. Highs in the upper 40s.

Cloudy. Low temperature around 26F. Dew point will be around 21F with an average humidity of 68%. Winds will be 7 mph from the W.

Cloudy. High temperature around 41F. Dew point will be around 24F with an average humidity of 61%. Winds will be 10 mph from the W.

Cloudy. Low temperature around 19F. Dew point will be around 19F with an average humidity of 76%. Winds will be 4 mph from the N.

Cloudy. High temperature around 30F. Dew point will be around 17F with an average humidity of 67%. Winds will be 7 mph from the N.

Cloudy. Low temperature around 13F. Dew point will be around 10F with an average humidity of 73%. Winds will be 5 mph from the N.