Saint Mary Lake Weather Forecast

    • 57
    • 73

    Rain Showers

    • 55
    • 67

    Thunderstorms Likely

    • 54
    • 71

    Slight Chance Thunderstorms

    • 51
    • 71

    Chance Thunderstorms

    • 52
    • 66

    Slight Chance Thunderstorms

    • 52
    • 66

    Mostly Cloudy

Today 1 Aug East Glacier Park Region

Partly cloudy early in the morning then becoming mostly cloudy. Patchy fog early in the morning. Slight chance of rain Showers early in the Morning, then Thunderstorms likely in the afternoon. Highs 65 to 75. Northeast Winds up to 10 Mph. Chance of precipitation 70 percent.

Tonight 1 Aug East Glacier Park Region

Mostly cloudy. Thunderstorms likely in the Evening, then slight chance of rain Showers after midnight. Lows 50 to 55. Southwest Winds up to 10 Mph. Chance of precipitation 70 percent.

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Saint Mary Lake Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (45.4 miles)

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Climate (2020–Present)

Kalispell, Glacier Park International Airport (45.4 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    45 °F

  • Average High 2020–2025

    56.8 °F
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