Sweet Grass, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Sunday
    50% Chance of Rain
    55°
    Forecast night icon
    Night
    70% Chance of Rain
    44°
    Sunday 5/5
    Day
    55°
    50% Chance of Rain
    Forecast day icon
    Night
    44°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Cloudy. Slight chance of rain early in the morning then chance of rain in the afternoon. Highs around 60. East winds 5 to 15 mph. Chance of rain 50 percent.
    Night Details
    Cloudy. Chance of rain in the evening then rain likely after midnight. Lows around 40. Northwest winds 5 to 15 mph. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    50% Chance of Rain
    53°
    Forecast night icon
    Night
    Windy
    40°
    Monday 5/6
    Day
    53°
    50% Chance of Rain
    Forecast day icon
    Night
    40°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Very windy. Cloudy. Chance of rain in the morning then slight chance of rain in the afternoon. Highs 50 to 55. West winds 15 to 25 mph increasing to 30 to 45 mph in the afternoon. Gusts up to 60 mph. Chance of rain 50 percent.
    Night Details
    Very windy. Cloudy. Slight chance of rain in the evening then slight chance of rain and snow after midnight. Lows 35 to 40. West winds 25 to 40 mph with gusts to around 60 mph. Chance of precipitation 20 percent.
  • Forecast day icon
    Tuesday
    70% Chance Frozen Mix
    46°
    Forecast night icon
    Night
    Frozen Mix
    37°
    Tuesday 5/7
    Day
    46°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    37°
    Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Very windy. Cloudy. Chance of snow and rain in the morning then rain and snow likely in the afternoon. Snow level 4000 feet. Highs 40 to 45. West winds 30 to 45 mph with gusts to around 60 mph. Chance of precipitation 70 percent.
    Night Details
    Windy. Rain and snow. Lows around 35. Chance of precipitation 90 percent.
  • Forecast day icon
    Wednesday
    70% Chance Frozen Mix
    40°
    Forecast night icon
    Night
    50% Chance of Rain
    38°
    Wednesday 5/8
    Day
    40°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    38°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Windy. Rain and snow likely. Highs 40 to 45. Chance of precipitation 70 percent.
    Night Details
    Breezy. Mostly cloudy with a 50 percent chance of rain. Lows around 35.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    56°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Thursday 5/9
    Day
    56°
    40% Chance of Rain
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Mostly cloudy with a 40 percent chance of rain. Highs around 55.
    Night Details
    Partly cloudy. Lows around 35.
  • Forecast day icon
    Friday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Mostly Clear
    43°
    Friday 5/10
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    43°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs around 65. Lows around 40.
    Night Details
    Mostly clear. Highs around 65. Lows around 40.
  • Forecast day icon
    Saturday
    Sunny
    72°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Saturday 5/11
    Day
    72°
    Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Day Details
    Sunny. Highs around 70.
    Night Details
    Partly cloudy. Low temperature around 49F. Dew point will be around 40F with an average humidity of 54%. Winds will be 8 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    69°
    Forecast night icon
    Night
    Clear
    49°
    Sunday 5/12
    Day
    69°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 37F with an average humidity of 40%. Winds will be 5 mph from the NW.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 40F with an average humidity of 55%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Monday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Monday 5/13
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 68F. Dew point will be around 37F with an average humidity of 41%. Winds will be 9 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 48F. Dew point will be around 40F with an average humidity of 58%. Winds will be 9 mph from the W.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    63°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Tuesday 5/14
    Day
    63°
    30% Chance of Rain
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 63F. Dew point will be around 36F with an average humidity of 44%. Winds will be 10 mph from the W.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 38F with an average humidity of 62%. Winds will be 9 mph from the W.