Sweet Grass, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    Sunny
    43°
    Forecast night icon
    Night
    Mostly Clear
    29°
    Saturday 4/20
    Day
    43°
    Sunny
    Forecast day icon
    Night
    29°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Sunny. Highs 45 to 50. Southeast winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon.
    Night Details
    Mostly clear. Lows 25 to 30. Southeast winds 5 to 15 mph.
  • Forecast day icon
    Sunday
    Partly Cloudy
    50°
    Forecast night icon
    Night
    Windy
    33°
    Sunday 4/21
    Day
    50°
    Partly Cloudy
    Forecast day icon
    Night
    33°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Strong winds. Partly cloudy in the morning then clearing. Highs 50 to 55. Southwest winds 15 to 25 mph increasing to west 35 to 50 mph in the afternoon. Gusts up to 60 mph increasing to 65 mph in the afternoon.
    Night Details
    Very windy. Partly cloudy. Lows 30 to 35. West winds 25 to 40 mph.
  • Forecast day icon
    Monday
    Windy
    51°
    Forecast night icon
    Night
    Partly Cloudy
    32°
    Monday 4/22
    Day
    51°
    Windy
    Forecast day icon
    Night
    32°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Windy. Sunny in the morning then becoming partly cloudy. Highs around 55. West winds 20 to 30 mph.
    Night Details
    Partly cloudy. Lows around 30. Highs around 60.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    58°
    Forecast night icon
    Night
    Mostly Cloudy
    38°
    Tuesday 4/23
    Day
    58°
    Partly Cloudy
    Forecast day icon
    Night
    38°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows around 30. Highs around 60.
    Night Details
    Mostly cloudy. Lows 35 to 40. Highs around 65.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    64°
    Forecast night icon
    Night
    Mostly Cloudy
    41°
    Wednesday 4/24
    Day
    64°
    Mostly Cloudy
    Forecast day icon
    Night
    41°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Lows 35 to 40. Highs around 65.
    Night Details
    Mostly cloudy. Lows 35 to 40. Highs around 65.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    56°
    Forecast night icon
    Night
    Mostly Cloudy
    38°
    Thursday 4/25
    Day
    56°
    Mostly Cloudy
    Forecast day icon
    Night
    38°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 20 percent chance of rain. Highs around 60. Lows around 35.
    Night Details
    Mostly cloudy with a 20 percent chance of rain. Highs around 60. Lows around 35.
  • Forecast day icon
    Friday
    Mostly Cloudy
    53°
    Forecast night icon
    Night
    30% Chance of Rain
    35°
    Friday 4/26
    Day
    53°
    Mostly Cloudy
    Forecast day icon
    Night
    35°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 20 percent chance of rain. Highs 50 to 55.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 35F. Dew point will be around 29F with an average humidity of 62%. Winds will be 8 mph from the N.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    50°
    Forecast night icon
    Night
    Cloudy
    35°
    Saturday 4/27
    Day
    50°
    30% Chance of Rain
    Forecast day icon
    Night
    35°
    Cloudy
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 50F. Dew point will be around 31F with an average humidity of 60%. Winds will be 6 mph from the NW.
    Night Details
    Cloudy. Low temperature around 35F. Dew point will be around 29F with an average humidity of 64%. Winds will be 4 mph from the W.
  • Forecast day icon
    Sunday
    Partly Cloudy
    53°
    Forecast night icon
    Night
    Cloudy
    36°
    Sunday 4/28
    Day
    53°
    Partly Cloudy
    Forecast day icon
    Night
    36°
    Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 53F. Dew point will be around 30F with an average humidity of 54%. Winds will be 6 mph from the W.
    Night Details
    Cloudy. Low temperature around 36F. Dew point will be around 29F with an average humidity of 59%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Monday
    Mostly Sunny
    55°
    Forecast night icon
    Night
    Partly Cloudy
    36°
    Monday 4/29
    Day
    55°
    Mostly Sunny
    Forecast day icon
    Night
    36°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 55F. Dew point will be around 30F with an average humidity of 51%. Winds will be 6 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 36F. Dew point will be around 28F with an average humidity of 57%. Winds will be 6 mph from the W.