Grass Range, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    70% Chance of Rain
    48°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    40°
    Monday 5/6
    Day
    48°
    70% Chance of Rain
    Forecast day icon
    Night
    40°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Very windy. Cooler. Rain likely. Near steady temperature in the upper 40s. West winds 20 to 30 mph increasing to 30 to 40 mph in the afternoon. Gusts up to 55 mph. Chance of rain 70 percent.
    Night Details
    Very windy. Colder cloudy. Chance of rain in the evening then chance of rain and snow after midnight. Lows 35 to 40. West winds 30 to 45 mph with gusts to around 60 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Tuesday
    70% Chance Frozen Mix
    41°
    Forecast night icon
    Night
    Frozen Mix
    35°
    Tuesday 5/7
    Day
    41°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    35°
    Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Strong winds. Rain likely and chance of snow in the morning then rain and snow likely in the afternoon. Snow accumulation up to 3 inches. Near steady temperature in the lower 40s. West winds 35 to 50 mph. Chance of precipitation 70 percent.
    Night Details
    Very windy. Blowing snow in the evening. Rain and snow. Moderate snow accumulations. Lows around 35. West winds 30 to 45 mph with gusts to around 60 mph. Chance of precipitation near 100 percent.
  • Forecast day icon
    Wednesday
    Frozen Mix
    43°
    Forecast night icon
    Night
    Rain
    41°
    Wednesday 5/8
    Day
    43°
    Frozen Mix
    Forecast day icon
    Night
    41°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Windy. Rain and snow in the morning then rain in the afternoon. Moderate snow accumulations. Highs 45 to 50. Northwest winds 20 to 30 mph with gusts to around 50 mph. Chance of precipitation near 100 percent.
    Night Details
    Rain. Lows 35 to 40. Chance of rain 90 percent.
  • Forecast day icon
    Thursday
    50% Chance of Rain
    54°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Thursday 5/9
    Day
    54°
    50% Chance of Rain
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Mostly cloudy with a 50 percent chance of rain. Highs 55 to 60.
    Night Details
    Partly cloudy. Lows 35 to 40.
  • Forecast day icon
    Friday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Friday 5/10
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs 60 to 65. Lows 40 to 45.
    Night Details
    Mostly clear. Highs 60 to 65. Lows 40 to 45.
  • Forecast day icon
    Saturday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Saturday 5/11
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs 70 to 75. Lows 45 to 50.
    Night Details
    Mostly clear. Highs 70 to 75. Lows 45 to 50.
  • Forecast day icon
    Sunday
    Sunny
    68°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Sunday 5/12
    Day
    68°
    Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny with a 20 percent chance of thunderstorms. Highs 70 to 75.
    Night Details
    Mostly clear. Low temperature around 47F. Dew point will be around 40F with an average humidity of 59%. Winds will be 8 mph from the SW.
  • Forecast day icon
    Monday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Monday 5/13
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 68F. Dew point will be around 38F with an average humidity of 43%. Winds will be 6 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 49F. Dew point will be around 41F with an average humidity of 60%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Tuesday 5/14
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 66F. Dew point will be around 38F with an average humidity of 44%. Winds will be 9 mph from the W.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 41F with an average humidity of 62%. Winds will be 6 mph from the W.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Wednesday 5/15
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 65F. Dew point will be around 39F with an average humidity of 48%. Winds will be 8 mph from the W.
    Night Details
    Mostly clear. Low temperature around 48F. Dew point will be around 40F with an average humidity of 60%. Winds will be 7 mph from the W.