Flathead Lake - West Shore State Park Weather Forecast

    • 37
    • 51

    Rain

    • 35
    • 52

    Chance Rain

    • 34
    • 55

    Mostly Sunny

    • 38
    • 58

    Partly Sunny

    • 38
    • 58

    Mostly Cloudy

    • 41
    • 61

    Rain Likely

    • 35
    • 52

    Rain Likely

Today 19 Oct Flathead/Mission Valleys

Rain likely early in the Morning, then Areas of rain late in the morning. Rain likely in the afternoon. Chance of rain near 100 percent. Highs in the mid 40s to lower 50s. Southwest Winds 15 to 20 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 19 Oct Flathead/Mission Valleys

Rain likely until early Morning, then Areas of rain late in the night. Chance of rain 90 percent. Lows in the upper 20s to mid 30s. Southwest Winds 15 to 25 Mph.

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  • Temperature Real-Time

Flathead Lake - West Shore State Park Temperature Statistics

October Temperature

Kalispell, Glacier Park International Airport (24.9 miles)

  • Lowest 6 October, 2025

    26.1 °F

  • Average October

    45.4 °F

  • Highest 9 October, 2025

    73.9 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (24.9 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    56.8 °F
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