Sunset Bay Weather Forecast

    • 42
    • 57

    Rain Likely

    • 39
    • 50

    Rain Showers

    • 38
    • 52

    Rain Showers Likely

    • 42
    • 57

    Partly Sunny

    • 46
    • 62

    Chance Rain

    • 49
    • 66

    Chance Rain

Today 15 May Flathead/Mission Valleys

Mostly cloudy. A 20 percent chance of rain in the morning. Highs in the mid 50s to lower 60s. Southwest Winds 15 to 25 Mph.

Tonight 15 May Flathead/Mission Valleys

Mostly cloudy with a 20 percent chance of rain. Lows in the 30s. Southwest Winds to 15 Mph.

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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

    54.2 °F

  • Highest 12 May, 2026

    76.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (34.2 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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