Flathead Lake - Wild Horse Island State Park Weather Forecast

    • 50
    • 66

    Rain Likely

    • 49
    • 53

    Rain

    • 50
    • 59

    Rain

    • 51
    • 66

    Chance Rain

    • 52
    • 70

    Chance Thunderstorms

    • 54
    • 72

    Slight Chance Rain

Today 27 Jun Flathead/Mission Valleys

Mostly cloudy. Slight chance of rain late in the morning. Chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the mid 60s to lower 70s.

Tonight 27 Jun Flathead/Mission Valleys

Cloudy with a 50 percent chance of rain. Lows in the 40s to lower 50s.

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Flathead Lake - Wild Horse Island State Park Temperature Statistics

June Temperature

Kalispell, Glacier Park International Airport (31.7 miles)

  • Lowest 14 June, 2026

    35.7 °F

  • Average June

    58 °F

  • Highest 20 June, 2026

    83.6 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (31.7 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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