10-Day Weather Forecast - Sidney, MT

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  • |65°F
    Partly Cloudy
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    Tonight

    65°F

    Partly cloudy this evening then becoming mostly cloudy. Areas of smoke. Lows in the lower 60s. Southeast wind 10 to 15 mph.

    Hourly details
  • Weekend Weather

  • Day

    84°F

    Hazy with areas of smoke in the morning. Partly sunny in the morning then mostly cloudy with a chance of showers in the afternoon. Highs in the lower 80s. Southeast wind around 10 mph. Chance of rain 30 percent.

    Night

    64°F

    Showers likely with a chance of thunderstorms in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. East wind 5 to 10 mph. Chance of rain 70 percent.

    Hourly details
  • Day

    83°F

    A chance of showers with a slight chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Northeast wind around 5 mph becoming northwest in the afternoon. Chance of rain 60 percent.

    Night

    63°F

    A chance of thunderstorms in the evening then a chance of showers after midnight. Lows in the upper 50s. Northeast wind around 5 mph becoming southeast around 5 mph after midnight. Chance of rain 50 percent.

    Hourly details
  • Day

    85°F

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

    Night

    62°F

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

    Hourly details
  • Day

    81°F

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

    Night

    61°F

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

    Hourly details
  • Day

    83°F

    Sunny. Highs in the mid 80s.

    Night

    60°F

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

    Hourly details
  • Day

    87°F

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

    Night

    64°F

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

    Hourly details
  • Day

    80°F

    A slight chance of thunderstorms. Highs around 80.

    Night

    61°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 61F. Dew point will be around 57F with an average humidity of 75%. Winds will be 4 mph from the W.

  • Weekend Weather

  • Day

    75°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 75F. Dew point will be around 56F with an average humidity of 60%. Winds will be 8 mph from the NW.

    Night

    58°F

    Partly cloudy. Low temperature around 58F. Dew point will be around 55F with an average humidity of 75%. Winds will be 5 mph from the W.

  • Day

    78°F

    Sunny. High temperature around 78F. Dew point will be around 54F with an average humidity of 55%. Winds will be 7 mph from the NW.

    Night

    58°F

    Clear. Low temperature around 58F. Dew point will be around 54F with an average humidity of 69%. Winds will be 4 mph from the NW.