Polson Bay Weather Forecast

    • 27
    • 43

    Snow Showers

    • 26
    • 50

    Chance Rain/Snow

    • 31
    • 58

    Partly Sunny

    • 38
    • 66

    Partly Sunny

    • 42
    • 72

    Partly Sunny

    • 43
    • 70

    Chance Rain

Today 16 Apr Flathead/Mission Valleys

Slight chance of snow early in the Morning, then snow likely late in the morning. Snow Showers likely and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 70 percent. Little or no new snow accumulation. Highs in the upper 30s to mid 40s. Northwest Winds to 15 Mph in the afternoon.

Tonight 16 Apr Flathead/Mission Valleys

Mostly cloudy with a 40 percent chance of snow. Lows in the 20s to lower 30s.

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Polson Bay Temperature Statistics

April Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 8 April, 2026

    20.6 °F

  • Average April

    44.8 °F

  • Highest 6 April, 2026

    67.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    57.2 °F
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