10-Day Weather Forecast - Sweet Grass, MT

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  • 68|53°F
    70% Chance of Storms
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    Today

    68°F

    Mostly cloudy. Slight chance of rain showers early in the morning then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 70 to 75. West winds 10 to 20 mph. Chance of precipitation 70 percent.

    Tonight

    53°F

    Mostly cloudy. Chance of thunderstorms in the evening then chance of rain showers and slight chance of thunderstorms after midnight. Lows around 50. West winds 10 to 15 mph. Chance of precipitation 50 percent.

    Hourly details
  • Day

    60°F

    Breezy cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the morning then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. West winds 15 to 25 mph. Chance of precipitation 60 percent.

    Night

    54°F

    Breezy. Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 50. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight.

    Hourly details
  • Weekend Weather

  • Day

    72°F

    Partly cloudy. Highs 70 to 75. Northwest winds 10 to 20 mph.

    Night

    54°F

    Partly cloudy. Lows 50 to 55. Highs 75 to 85.

    Hourly details
  • Day

    78°F

    Partly cloudy. Lows 50 to 55. Highs 75 to 85.

    Night

    60°F

    Partly cloudy. Lows 50 to 55. Highs 75 to 85.

    Hourly details
  • Day

    82°F

    Partly cloudy. Lows 50 to 55. Highs 75 to 85.

    Night

    59°F

    Partly cloudy. Lows 50 to 55. Highs 75 to 85.

    Hourly details
  • Day

    71°F

    Partly cloudy. Lows 50 to 55. Highs 75 to 85.

    Night

    58°F

    Partly cloudy. Lows 50 to 55. Highs 75 to 85.

    Hourly details
  • Day

    78°F

    Partly cloudy. Lows 50 to 55. Highs 75 to 85.

    Night

    55°F

    Mostly clear. Low temperature around 55F. Dew point will be around 49F with an average humidity of 68%. Winds will be 6 mph from the W.

  • Day

    74°F

    Sunny. High temperature around 74F. Dew point will be around 47F with an average humidity of 52%. Winds will be 6 mph from the W.

    Night

    55°F

    Mostly clear. Low temperature around 55F. Dew point will be around 48F with an average humidity of 62%. Winds will be 5 mph from the W.

  • Day

    76°F

    Sunny. High temperature around 76F. Dew point will be around 47F with an average humidity of 49%. Winds will be 5 mph from the W.

    Night

    58°F

    Clear. Low temperature around 58F. Dew point will be around 48F with an average humidity of 56%. Winds will be 5 mph from the SW.

  • Weekend Weather

  • Day

    80°F

    Sunny. High temperature around 80F. Dew point will be around 46F with an average humidity of 41%. Winds will be 7 mph from the W.

    Night

    58°F

    Clear. Low temperature around 58F. Dew point will be around 47F with an average humidity of 52%. Winds will be 6 mph from the W.