10-Day Weather Forecast - Grass Range, MT

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  • |55°F
    50% Chance of Storms

    Tonight

    55°F

    Mostly cloudy in the late evening and early morning then becoming partly cloudy. Slight chance of thunderstorms late in the evening. Chance of rain showers after midnight then slight chance of rain showers early in the morning. Lows 50 to 56. Southwest winds up to 10 mph. Chance of precipitation 50 percent.

    Hourly details
  • 74|56°F
    Sunny

    Day

    74°F

    Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 74 to 80. West winds up to 10 mph.

    Night

    56°F

    Mostly clear. Lows 51 to 57. Northwest winds up to 5 mph shifting to the southwest after midnight.

    Hourly details
  • 73|55°F
    50% Chance of Storms

    Day

    73°F

    Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 70s. West winds up to 10 mph. Chance of precipitation 50 percent.

    Night

    55°F

    Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 50 to 56. West winds up to 10 mph shifting to the southwest after midnight.

    Hourly details
  • 82|59°F
    Mostly Sunny

    Day

    82°F

    Mostly clear. Highs 81 to 87. Lows in the upper 50s.

    Night

    59°F

    Mostly clear. Highs 81 to 87. Lows in the upper 50s.

    Hourly details
  • 84|61°F
    Mostly Sunny

    Day

    84°F

    Mostly clear. Highs 81 to 87. Lows in the upper 50s.

    Night

    61°F

    Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 55 to 61.

    Hourly details
  • 82|60°F
    Sunny

    Day

    82°F

    Sunny. Highs in the mid 80s.

    Night

    60°F

    Partly cloudy. A 20 percent chance of thunderstorms. Lows around 60. Highs in the upper 80s.

    Hourly details
  • 83|63°F
    Partly Cloudy

    Day

    83°F

    Partly cloudy. A 20 percent chance of thunderstorms. Lows around 60. Highs in the upper 80s.

    Night

    63°F

    Mostly cloudy with a 40 percent chance of thunderstorms in the evening then partly cloudy after midnight. Lows 57 to 63.

    Hourly details
  • 87|61°F
    Mostly Sunny

    Day

    87°F

    Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 80s.

    Night

    61°F

    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 61F. Dew point will be around 53F with an average humidity of 55%. Winds will be 3 mph from the W.

  • 82|59°F
    Sunny

    Day

    82°F

    Sunny. High temperature around 82F. Dew point will be around 53F with an average humidity of 47%. Winds will be 4 mph from the NE.

    Night

    59°F

    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 59F. Dew point will be around 52F with an average humidity of 59%. Winds will be 4 mph from the SW.

  • 82|60°F
    Sunny

    Day

    82°F

    Sunny. High temperature around 82F. Dew point will be around 51F with an average humidity of 47%. Winds will be 4 mph from the NE.

    Night

    60°F

    Clear. Low temperature around 60F. Dew point will be around 51F with an average humidity of 56%. Winds will be 3 mph from the SW.