10-Day Weather Forecast - Roy, MT

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  • 28|25°F
    Partly Cloudy
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    Today

    28°F

    Partly cloudy. High temperature around 28F. Dew point will be around 25F with an average humidity of 92%. Winds will be 7 mph from the E.

    Tonight

    25°F

    Mostly cloudy. Patchy dense freezing fog in the evening. Patchy fog through the night. Slight chance of freezing rain and patchy light freezing drizzle in the late evening and overnight. Slight chance of rain and snow after midnight. Lows 23 to 31. South winds up to 10 mph. Chance of precipitation 20 percent.

    Hourly details
  • Day

    45°F

    Mostly sunny. Patchy fog in the morning. Patchy light freezing drizzle in the morning. Highs 45 to 51. Southwest winds up to 10 mph.

    Night

    34°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph with gusts to around 25 mph.

    Hourly details
  • Day

    48°F

    Partly sunny. Highs in the upper 40s. Southwest winds 5 to 15 mph with gusts to around 30 mph.

    Night

    29°F

    Much colder. Partly cloudy. Patchy light freezing drizzle. Lows 11 to 17. Southwest winds 10 to 15 mph with gusts to around 35 mph.

    Hourly details
  • Weekend Weather

  • Day

    33°F

    Breezy colder. Partly sunny. A 20 percent chance of snow in the morning. Highs 18 to 30. Temperatures falling into the mid single digits in the afternoon.

    Night

    2°F

    Colder. Partly cloudy. Near steady temperature around 3.

    Hourly details
  • Day

    22°F

    Sunny. Highs 23 to 29.

    Night

    22°F

    Not as cold. Partly cloudy. Lows around 15.

    Hourly details
  • Day

    45°F

    Mostly cloudy. Highs 39 to 46. Lows in the upper 20s.

    Night

    33°F

    Mostly cloudy. Highs 39 to 46. Lows in the upper 20s.

    Hourly details
  • Day

    49°F

    Mostly cloudy. Highs 39 to 46. Lows in the upper 20s.

    Night

    29°F

    Mostly cloudy. Highs 39 to 46. Lows in the upper 20s.

  • Day

    42°F

    Mostly sunny. Highs 39 to 47.

    Night

    28°F

    Partly cloudy. Low temperature around 28F. Dew point will be around 22F with an average humidity of 71%. Winds will be 3 mph from the W.

  • Day

    38°F

    Partly cloudy. High temperature around 38F. Dew point will be around 24F with an average humidity of 63%. Winds will be 2 mph from the W.

    Night

    28°F

    Partly cloudy. Low temperature around 28F. Dew point will be around 21F with an average humidity of 69%. Winds will be 8 mph from the W.

  • Day

    36°F

    Mostly cloudy. High temperature around 36F. Dew point will be around 20F with an average humidity of 60%. Winds will be 8 mph from the W.

    Night

    20°F

    Mostly cloudy. Low temperature around 20F. Dew point will be around 16F with an average humidity of 72%. Winds will be 4 mph from the W.