Sweet Grass, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    50% Chance of Storms
    35°
    Friday 5/17
    Forecast night icon
    35°
    50% Chance of Storms
    Hourly
    Night Details
    Breezy colder. Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening then partly cloudy after midnight. Lows 30 to 35. Northwest winds 15 to 25 mph shifting to the west 10 to 15 mph after midnight. Chance of precipitation 50 percent.
  • Forecast day icon
    Saturday
    Partly Cloudy
    54°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Saturday 5/18
    Day
    54°
    Partly Cloudy
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Breezy. Sunny in the morning then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 55 to 60. West winds 15 to 25 mph.
    Night Details
    Partly cloudy. A 20 percent chance of rain showers after midnight. Lows in the mid 30s. West winds 5 to 15 mph.
  • Forecast day icon
    Sunday
    80% Chance of Storms
    53°
    Forecast night icon
    Night
    50% Chance of Storms
    42°
    Sunday 5/19
    Day
    53°
    80% Chance of Storms
    Forecast day icon
    Night
    42°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of rain showers in the morning then rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 55. Northwest winds 10 to 20 mph. Chance of precipitation 80 percent.
    Night Details
    Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening then chance of rain showers after midnight. Lows around 35. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    51°
    Forecast night icon
    Night
    Mostly Cloudy
    40°
    Monday 5/20
    Day
    51°
    50% Chance Rain Showers
    Forecast day icon
    Night
    40°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of rain showers. Highs 50 to 55.
    Night Details
    Mostly cloudy. Lows around 35.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    60°
    Forecast night icon
    Night
    Mostly Cloudy
    41°
    Tuesday 5/21
    Day
    60°
    Partly Cloudy
    Forecast day icon
    Night
    41°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Warmer. Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65.
    Night Details
    Mostly cloudy. Lows around 40.
  • Forecast day icon
    Wednesday
    70% Chance Rain Showers
    58°
    Forecast night icon
    Night
    70% Chance Rain Showers
    46°
    Wednesday 5/22
    Day
    58°
    70% Chance Rain Showers
    Forecast day icon
    Night
    46°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely. Highs 55 to 60. Lows 35 to 40. Chance of showers 70 percent.
    Night Details
    Rain showers likely. Highs 55 to 60. Lows 35 to 40. Chance of showers 70 percent.
  • Forecast day icon
    Thursday
    70% Chance Rain Showers
    52°
    Forecast night icon
    Night
    50% Chance Rain Showers
    42°
    Thursday 5/23
    Day
    52°
    70% Chance Rain Showers
    Forecast day icon
    Night
    42°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely. Highs 50 to 55. Chance of showers 70 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. Highs 55 to 60.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    54°
    Forecast night icon
    Night
    30% Chance of Rain
    43°
    Friday 5/24
    Day
    54°
    50% Chance Rain Showers
    Forecast day icon
    Night
    43°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. Highs 55 to 60.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 43F. Dew point will be around 36F with an average humidity of 66%. Winds will be 6 mph from the W.
  • Forecast day icon
    Saturday
    50% Chance of Rain
    60°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Saturday 5/25
    Day
    60°
    50% Chance of Rain
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 60F. Dew point will be around 36F with an average humidity of 51%. Winds will be 10 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 36F with an average humidity of 61%. Winds will be 7 mph from the W.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    63°
    Forecast night icon
    Night
    30% Chance of Rain
    46°
    Sunday 5/26
    Day
    63°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 63F. Dew point will be around 37F with an average humidity of 49%. Winds will be 9 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 46F. Dew point will be around 37F with an average humidity of 57%. Winds will be 7 mph from the W.