10-Day Weather Forecast - Sidney, MT

Mostly sunny. Highs in the lower 80s. North wind 10 to 15 mph.

A chance of showers after midnight. Lows in the upper 50s. Northeast wind 5 to 10 mph. Chance of rain 50 percent.

Showers likely in the morning then showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. East wind 10 to 15 mph. Chance of rain 80 percent.

Showers likely with a chance of thunderstorms. Lows in the mid 50s.

Partly sunny. Highs in the lower 80s.

A slight chance of thunderstorms. Lows in the upper 50s.

A chance of thunderstorms. Highs in the mid 80s.

A slight chance of showers. Lows in the mid 50s.

Sunny. Highs in the upper 80s.

A slight chance of thunderstorms. Lows in the lower 60s.

Sunny hot with highs in the upper 90s.

Mostly clear. Low temperature around 64F. Dew point will be around 54F with an average humidity of 49%. Winds will be 6 mph from the SE.

Sunny. High temperature around 92F. Dew point will be around 55F with an average humidity of 40%. Winds will be 1 mph from the E.

Clear. Low temperature around 63F. Dew point will be around 56F with an average humidity of 56%. Winds will be 3 mph from the E.

Sunny. High temperature around 93F. Dew point will be around 56F with an average humidity of 42%. Winds will be 2 mph from the NE.

Clear. Low temperature around 64F. Dew point will be around 58F with an average humidity of 59%. Winds will be 4 mph from the E.

Sunny. High temperature around 92F. Dew point will be around 58F with an average humidity of 46%. Winds will be 5 mph from the E.

Clear. Low temperature around 63F. Dew point will be around 59F with an average humidity of 62%. Winds will be 4 mph from the E.