10-Day Weather Forecast - Sidney, MT

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  • |52°F
    50% Chance of Storms

    Tonight

    52°F

    Mostly cloudy with a chance of thunderstorms this evening then partly cloudy after midnight. Lows in the mid 40s. West wind 5 to 10 mph. Chance of precipitation 50 percent.

    Hourly details
  • 71|49°F
    Mostly Sunny

    Day

    71°F

    Mostly sunny. Highs in the lower 70s. Northwest wind 10 to 15 mph.

    Night

    49°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. Northeast wind around 5 mph becoming east around 5 mph after midnight.

    Hourly details
  • 77|59°F
    Mostly Sunny

    Day

    77°F

    Mostly sunny. Highs in the upper 70s. Southeast wind 5 to 10 mph increasing to east 15 to 20 mph in the afternoon.

    Night

    59°F

    A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. East wind around 20 mph decreasing to 10 to 15 mph after midnight. Chance of rain 40 percent.

    Hourly details
  • 69|53°F
    Chance of Storms

    Day

    69°F

    Showers with a slight chance of thunderstorms. Highs in the upper 60s.

    Night

    53°F

    A chance of showers with a slight chance of thunderstorms. Lows in the upper 40s.

    Hourly details
  • 71|52°F
    Chance of Storms

    Day

    71°F

    Showers likely with a chance of thunderstorms. Highs in the upper 60s.

    Night

    52°F

    A slight chance of thunderstorms. Lows in the mid 40s.

    Hourly details
  • 72|52°F
    Chance of Rain Showers

    Day

    72°F

    A slight chance of showers. Highs in the lower 70s.

    Night

    52°F

    Mostly clear. Lows in the mid 40s.

    Hourly details
  • 76|55°F
    Partly Cloudy

    Day

    76°F

    Partly cloudy. Highs in the mid 70s. Lows in the upper 40s.

    Night

    55°F

    Partly cloudy. Highs in the mid 70s. Lows in the upper 40s.

    Hourly details
  • 82|60°F
    Chance of Storms

    Day

    82°F

    A slight chance of thunderstorms. Highs in the lower 80s.

    Night

    60°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 60F. Dew point will be around 55F with an average humidity of 73%. Winds will be 5 mph from the SE.

  • 82|61°F
    30% Chance of Rain

    Day

    82°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 82F. Dew point will be around 55F with an average humidity of 53%. Winds will be 1 mph from the SW.

    Night

    61°F

    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 61F. Dew point will be around 54F with an average humidity of 66%. Winds will be 1 mph from the N.

  • 82|60°F
    30% Chance of Rain

    Day

    82°F

    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 82F. Dew point will be around 55F with an average humidity of 51%. Winds will be 2 mph from the W.

    Night

    60°F

    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 60F. Dew point will be around 54F with an average humidity of 66%. Winds will be 2 mph from the SW.