Flathead Lake - Wild Horse Island State Park Weather Forecast

    • 46
    • 53

    Rain

    • 34
    • 53

    Chance Rain/Snow

    • 30
    • 47

    Chance Snow

    • 34
    • 52

    Partly Sunny

    • 39
    • 58

    Mostly Cloudy

    • 43
    • 62

    Mostly Cloudy

Today 24 Mar Flathead/Mission Valleys

A chance of rain in the Morning, then rain likely in the afternoon. Chance of rain 70 percent. Highs in the upper 40s to mid 50s.

Tonight 24 Mar Flathead/Mission Valleys

Rain likely. Chance of rain near 100 percent. Lows in the upper 30s to mid 40s.

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Flathead Lake - Wild Horse Island State Park Temperature Statistics

March Temperature

Kalispell, Glacier Park International Airport (31.7 miles)

  • Lowest 15 March, 2026

    5.6 °F

  • Average March

    38 °F

  • Highest 20 March, 2026

    68.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (31.7 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.1 °F
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