James Lake Weather Forecast

    • 19
    • 43

    Mostly Cloudy

    • 21
    • 47

    Mostly Cloudy

    • 21
    • 46

    Mostly Cloudy

    • 26
    • 52

    Slight Chance Snow

    • 29
    • 55

    Slight Chance Rain

    • 30
    • 58

    Partly Sunny

Today 24 Apr Butte/Blackfoot Region

Mostly cloudy with a 50 percent chance of Areas of snow. Widespread frost early in the morning. Highs in the 30s. Northwest Winds to 15 Mph.

Tonight 24 Apr Butte/Blackfoot Region

Partly cloudy. Widespread frost through the night. A 20 percent chance of snow in the evening. Lows 11 to 18. Northwest Winds to 15 Mph.

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  • Temperature Real-Time

James Lake Temperature Statistics

April Temperature

Missoula, Missoula International Airport (42.9 miles)

  • Lowest 18 April, 2026

    25.6 °F

  • Average April

    46.1 °F

  • Highest 6 April, 2026

    70.6 °F

Climate (2021–Present)

Missoula, Missoula International Airport (42.9 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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