Flathead Lake State Park - Yellow Bay Unit Weather Forecast

    • 48
    • 68

    Rain Showers Likely

    • 49
    • 68

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 59
    • 77

    Mostly Cloudy

    • 56
    • 79

    Mostly Sunny

    • 52
    • 72

    Slight Chance Rain

Today 12 Jun Flathead/Mission Valleys

Rain Showers likely and a chance of Thunderstorms early in the afternoon. Chance of Showers and Thunderstorms late in the afternoon. Chance of precipitation 70 percent. Highs in the upper 60s to mid 70s.

Tonight 12 Jun Flathead/Mission Valleys

Mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Chance of precipitation 50 percent. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flathead Lake State Park - Yellow Bay Unit Temperature Statistics

June Temperature

Kalispell, Glacier Park International Airport (31.1 miles)

  • Lowest 8 June, 2026

    36.6 °F

  • Average June

    53.7 °F

  • Highest 5 June, 2026

    73.7 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (31.1 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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