10-Day Weather Forecast - Sidney, MT

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  • |7°F
    50% Chance Frozen Mix
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    Tonight

    7°F

    Cloudy. A chance of snow and freezing rain. Lows 5 to 10 above. Temperatures rising into the mid 20s. South wind 10 to 15 mph. Chance of precipitation 50 percent. Wind chill values around 10 below late this evening.

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  • Day

    42°F

    Patchy blowing snow in the morning. Mostly cloudy with a chance of freezing rain with a slight chance of rain in the morning then mostly sunny in the afternoon. Windy and much warmer with highs in the mid 40s. Southwest wind 15 to 25 mph with gusts up to 35 mph becoming west 25 to 30 mph with gusts up to 45 mph in the afternoon. Chance of precipitation 40 percent.

    Night

    10°F

    Mostly clear and brisk. Lows zero to 5 above. West wind 15 to 25 mph with gusts up to 35 mph decreasing to 10 to 15 mph after midnight. Wind chill values around 5 below.

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  • Weekend Weather

  • Day

    13°F

    Sunny. Much colder with highs 15 to 20. Northwest wind 5 to 10 mph. Wind chill values around 10 below in the morning.

    Night

    11°F

    Partly cloudy. Lows zero to 5 above. East wind around 5 mph becoming south after midnight. Wind chill values around 5 below after midnight.

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  • Day

    29°F

    Sunny warmer with highs in the lower 30s.

    Night

    20°F

    Mostly cloudy. Lows 15 to 20. Highs in the upper 30s.

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  • Day

    33°F

    Mostly cloudy. Lows 15 to 20. Highs in the upper 30s.

    Night

    15°F

    Mostly cloudy. Lows around 15. Highs in the mid 30s.

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  • Day

    31°F

    Mostly cloudy. Lows around 15. Highs in the mid 30s.

    Night

    25°F

    Mostly cloudy. Lows around 15. Highs in the mid 30s.

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  • Day

    33°F

    Mostly cloudy. Lows around 15. Highs in the mid 30s.

    Night

    18°F

    A slight chance of snow. Lows around 15.

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  • Day

    23°F

    Mostly sunny. Highs in the lower 30s.

    Night

    16°F

    Partly cloudy. Low temperature around 16F. Dew point will be around 12F with an average humidity of 85%. Winds will be 4 mph from the E.

  • Day

    23°F

    Cloudy. High temperature around 23F. Dew point will be around 16F with an average humidity of 82%. Winds will be 1 mph from the SW.

    Night

    16°F

    Partly cloudy. Low temperature around 16F. Dew point will be around 14F with an average humidity of 85%. Winds will be 1 mph from the NW.

  • Weekend Weather

  • Day

    24°F

    Mostly sunny. High temperature around 24F. Dew point will be around 16F with an average humidity of 80%. Winds will be 2 mph from the SW.

    Night

    18°F

    Clear. Low temperature around 18F. Dew point will be around 14F with an average humidity of 83%. Winds will be 3 mph from the SW.