10-Day Weather Forecast - Roy, MT

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  • 73|55°F
    50% Chance of Storms

    Today

    73°F

    Partly sunny. Slight chance of thunderstorms early in the afternoon. Chance of thunderstorms late in the afternoon. Some thunderstorms may be severe. Highs around 80. Southeast winds 5 to 15 mph. Chance of thunderstorms 50 percent.

    Tonight

    55°F

    Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening then slight chance of thunderstorms after midnight. Some thunderstorms may be severe in the evening. Lows 51 to 57. South winds 5 to 10 mph shifting to the west after midnight. Chance of precipitation 70 percent.

    Hourly details
  • 66|53°F
    70% Chance of Storms

    Day

    66°F

    Mostly cloudy. Slight chance of rain showers in the morning then rain showers likely and chance of thunderstorms in the afternoon. Highs 67 to 73. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent.

    Night

    53°F

    Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening then rain showers likely after midnight. Lows 47 to 53. West winds 5 to 15 mph. Chance of precipitation 70 percent.

    Hourly details
  • 61|48°F
    70% Chance of Storms

    Day

    61°F

    Rain showers likely in the morning then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. West winds 10 to 20 mph. Chance of precipitation 70 percent.

    Night

    48°F

    Mostly cloudy. Chance of thunderstorms in the evening then chance of rain showers and slight chance of thunderstorms after midnight. Lows 43 to 49. Chance of precipitation 50 percent.

    Hourly details
  • 63|51°F
    70% Chance of Storms

    Day

    63°F

    Windy. Rain showers likely in the morning then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 70 percent.

    Night

    51°F

    Windy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 45 to 51. Chance of precipitation 40 percent.

    Hourly details
  • 71|52°F
    Partly Cloudy

    Day

    71°F

    Warmer. Partly cloudy. A 20 percent chance of thunderstorms. Highs in the lower 70s. Lows 47 to 53.

    Night

    52°F

    Warmer. Partly cloudy. A 20 percent chance of thunderstorms. Highs in the lower 70s. Lows 47 to 53.

    Hourly details
  • 74|53°F
    40% Chance of Storms

    Day

    74°F

    Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 40 percent.

    Night

    53°F

    Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 48 to 54.

    Hourly details
  • 79|62°F
    Mostly Sunny

    Day

    79°F

    Mostly sunny. Highs in the lower 80s.

    Night

    62°F

    Mostly clear. Low temperature around 62F. Dew point will be around 49F with an average humidity of 57%. Winds will be 4 mph from the SW.

  • 86|62°F
    Sunny

    Day

    86°F

    Sunny. High temperature around 86F. Dew point will be around 53F with an average humidity of 44%. Winds will be 4 mph from the W.

    Night

    62°F

    Clear. Low temperature around 62F. Dew point will be around 54F with an average humidity of 59%. Winds will be 2 mph from the W.

  • 83|62°F
    Sunny

    Day

    83°F

    Sunny. High temperature around 83F. Dew point will be around 52F with an average humidity of 45%. Winds will be 6 mph from the W.

    Night

    62°F

    Clear. Low temperature around 62F. Dew point will be around 52F with an average humidity of 55%. Winds will be 4 mph from the SW.

  • 84|62°F
    Sunny

    Day

    84°F

    Sunny. High temperature around 84F. Dew point will be around 49F with an average humidity of 40%. Winds will be 8 mph from the W.

    Night

    62°F

    Mostly clear. Low temperature around 62F. Dew point will be around 52F with an average humidity of 55%. Winds will be 3 mph from the NW.