Roy, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Clear
    38°
    Sunday 5/19
    Forecast night icon
    38°
    Clear
    Hourly
    Night Details
    Clear. Low temperature around 38F. Dew point will be around 34F with an average humidity of 77%. Winds will be 9 mph from the W.
  • Forecast day icon
    Monday
    50% Chance of Storms
    57°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Monday 5/20
    Day
    57°
    50% Chance of Storms
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. Northwest winds up to 10 mph. Chance of precipitation 50 percent.
    Night Details
    Partly cloudy. Lows 35 to 40. West winds up to 10 mph.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    62°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Tuesday 5/21
    Day
    62°
    50% Chance of Storms
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with slight chance of rain showers in the morning then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds up to 10 mph. Chance of precipitation 50 percent.
    Night Details
    Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 40. Southwest winds up to 10 mph.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    65°
    Forecast night icon
    Night
    80% Chance of Storms
    46°
    Wednesday 5/22
    Day
    65°
    70% Chance of Storms
    Forecast day icon
    Night
    46°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 65. South winds up to 10 mph shifting to the east in the afternoon. Chance of precipitation 70 percent.
    Night Details
    Rain showers and slight chance of thunderstorms. Lows 40 to 45. Chance of precipitation 80 percent.
  • Forecast day icon
    Thursday
    Thunderstorms
    52°
    Forecast night icon
    Night
    50% Chance of Rain
    41°
    Thursday 5/23
    Day
    52°
    Thunderstorms
    Forecast day icon
    Night
    41°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Rain showers and slight chance of thunderstorms. Highs 50 to 55. Chance of precipitation 90 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain. Lows 35 to 40.
  • Forecast day icon
    Friday
    40% Chance of Storms
    62°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Friday 5/24
    Day
    62°
    40% Chance of Storms
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Warmer. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of rain. Lows 40 to 45.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    66°
    Forecast night icon
    Night
    50% Chance of Storms
    46°
    Saturday 5/25
    Day
    66°
    50% Chance of Storms
    Forecast day icon
    Night
    46°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Lows 40 to 45. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Lows 40 to 45. Chance of precipitation 50 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    60°
    Forecast night icon
    Night
    30% Chance of Rain
    46°
    Sunday 5/26
    Day
    60°
    50% Chance of Storms
    Forecast day icon
    Night
    46°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Lows 40 to 45. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 46F. Dew point will be around 41F with an average humidity of 69%. Winds will be 13 mph from the W.
  • Forecast day icon
    Monday
    30% Chance of Rain
    63°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Monday 5/27
    Day
    63°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 63F. Dew point will be around 42F with an average humidity of 58%. Winds will be 15 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 48F. Dew point will be around 42F with an average humidity of 65%. Winds will be 9 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    51°
    Tuesday 5/28
    Day
    71°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 44F with an average humidity of 51%. Winds will be 6 mph from the W.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 44F with an average humidity of 60%. Winds will be 6 mph from the W.