10-Day Weather Forecast - Saint Mary, MT

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  • 38|35°F
    Mostly Cloudy
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    Today

    38°F

    Mostly cloudy. High temperature around 38F. Dew point will be around 22F with an average humidity of 79%. Winds will be 16 mph from the SW.

    Tonight

    35°F

    Windy. Mostly cloudy until early morning then becoming partly cloudy. Patchy blowing snow. Near steady temperature around 30. Southwest winds 15 to 30 mph with gusts to around 50 mph.

    Hourly details
  • Day

    41°F

    Breezy. Partly sunny. Patchy blowing snow in the morning. Highs 30 to 40. Southwest winds 15 to 25 mph with gusts to around 45 mph.

    Night

    32°F

    Breezy. Mostly cloudy in the evening then becoming partly cloudy. Near steady temperature around 30. Southwest winds 10 to 25 mph with gusts to around 45 mph.

    Hourly details
  • Day

    40°F

    Sunny. Highs 30 to 40. Southwest winds 10 to 15 mph with gusts to around 30 mph.

    Night

    32°F

    Mostly cloudy. A 20 percent chance of snow after midnight. Near steady temperature in the upper 20s. Southwest winds 10 to 15 mph with gusts to around 35 mph.

    Hourly details
  • Day

    39°F

    Mostly cloudy. Chance of snow in the morning then chance of snow and slight chance of rain in the afternoon. Highs 31 to 39. Chance of precipitation 50 percent.

    Night

    36°F

    Mostly cloudy with a 20 percent chance of rain and snow. Near steady temperature in the mid 30s.

    Hourly details
  • Weekend Weather

  • Day

    42°F

    Breezy. Partly sunny with a 50 percent chance of snow and rain. Near steady temperature in the mid 30s.

    Night

    33°F

    Breezy. Mostly cloudy. A 50 percent chance of snow. Lows 25 to 31. Highs 27 to 37.

    Hourly details
  • Day

    35°F

    Breezy. Mostly cloudy. A 50 percent chance of snow. Lows 25 to 31. Highs 27 to 37.

    Night

    29°F

    Breezy. Mostly cloudy with a 20 percent chance of snow. Lows 21 to 28. Highs 26 to 37.

    Hourly details
  • Day

    35°F

    Breezy. Mostly cloudy with a 20 percent chance of snow. Lows 21 to 28. Highs 26 to 37.

    Night

    29°F

    Breezy. Mostly cloudy with a 20 percent chance of snow. Lows 21 to 28. Highs 26 to 37.

  • Day

    34°F

    Breezy. Mostly cloudy with a 20 percent chance of snow. Lows 21 to 28. Highs 26 to 37.

    Night

    29°F

    Mostly clear. Low temperature around 29F. Dew point will be around 20F with an average humidity of 68%. Winds will be 13 mph from the SW.

  • Day

    32°F

    Partly cloudy. High temperature around 32F. Dew point will be around 20F with an average humidity of 64%. Winds will be 11 mph from the SW.

    Night

    22°F

    Partly cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 22F. Dew point will be around 19F with an average humidity of 74%. Winds will be 4 mph from the W.

  • Day

    22°F

    Cloudy with a chance of snow. Chance of precipitation 35%. High temperature around 22F. Dew point will be around 15F with an average humidity of 75%. Winds will be 4 mph from the NW.

    Night

    11°F

    Cloudy with a chance of snow. Chance of precipitation 35%. Low temperature around 11F. Dew point will be around 8F with an average humidity of 80%. Winds will be 5 mph from the N.