Sunset Bay Weather Forecast

    • 49
    • 73

    Mostly Sunny

    • 53
    • 78

    Partly Sunny

    • 54
    • 78

    Chance Rain

    • 48
    • 68

    Slight Chance Thunderstorms

    • 45
    • 63

    Chance Rain

    • 42
    • 58

    Chance Rain

Today 11 May Flathead/Mission Valleys

Mostly sunny. Highs in the 70s. West Winds to 15 Mph in the afternoon.

Tonight 11 May Flathead/Mission Valleys

Mostly clear. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunset Bay Temperature Statistics

May Temperature

Kalispell, Glacier Park International Airport (34.2 miles)

  • Lowest 6 May, 2026

    29.6 °F

  • Average May

    53.2 °F

  • Highest 3 May, 2026

    73.7 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (34.2 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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