Flathead Lake Weather Forecast

    • 44
    • 53

    Rain

    • 45
    • 63

    Mostly Sunny

    • 50
    • 68

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 56
    • 73

    Mostly Sunny

    • 55
    • 70

    Partly Sunny

Today 8 May Flathead/Mission Valleys

Rain likely in the Morning, then slight chance of rain in the afternoon. Chance of rain 90 percent. Highs in the 50s to lower 60s. North Winds 15 to 20 Mph.

Tonight 8 May Flathead/Mission Valleys

Mostly cloudy. Lows in the mid 30s to lower 40s. Northeast Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flathead Lake Temperature Statistics

May Temperature

Kalispell, Glacier Park International Airport (30.4 miles)

  • Lowest 4 May, 2024

    26.1 °F

  • Average May

    45.5 °F

  • Highest 4 May, 2024

    64.9 °F

Climate (2019–Present)

Kalispell, Glacier Park International Airport (30.4 miles)

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  • Average Low 2019–2024

    33 °F

  • Average 2019–2024

    44.6 °F

  • Average High 2019–2024

    55.9 °F
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