Whitefish Lake State Park Weather Forecast

    • 52
    • 86

    Chance Rain

    • 48
    • 77

    Chance Rain

    • 42
    • 61

    Rain Showers

    • 40
    • 55

    Rain Showers Likely

    • 41
    • 61

    Chance Rain

    • 42
    • 66

    Partly Sunny

Today 28 May Flathead/Mission Valleys

Mostly sunny. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s to lower 90s.

Tonight 28 May Flathead/Mission Valleys

Mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of rain after midnight. Chance of precipitation 30 percent. Lows in the 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitefish Lake State Park Temperature Statistics

May Temperature

Kalispell, Glacier Park International Airport (9.3 miles)

  • Lowest 6 May, 2026

    29.6 °F

  • Average May

    52.4 °F

  • Highest 25 May, 2026

    82 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (9.3 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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