Lake Mason National Wildlife Refuge Weather Forecast

    • 60
    • 88

    Chance Thunderstorms

    • 57
    • 84

    Chance Thunderstorms

    • 60
    • 87

    Mostly Sunny

    • 61
    • 93

    Mostly Sunny

    • 61
    • 92

    Partly Sunny

    • 53
    • 81

    Slight Chance Thunderstorms

    • 50
    • 73

    Partly Sunny

Today 16 Aug Musselshell

Partly sunny with a 20 percent chance of Showers. Highs around 90. Northeast Winds 5 to 10 Mph.

Tonight 16 Aug Musselshell

Partly cloudy. A 20 percent chance of Showers and Thunderstorms early in the evening. Lows in the lower 60s. Northwest Winds 5 to 10 Mph.

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Lake Mason National Wildlife Refuge Temperature Statistics

August Temperature

N BAR Ranch Airport (10.6 miles)

  • Lowest 8 August, 2025

    46.4 °F

  • Average August

    65 °F

  • Highest 13 August, 2025

    87.8 °F

Climate (2020–Present)

N BAR Ranch Airport (10.6 miles)

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  • Average Low 2020–2025

    31.3 °F

  • Average 2020–2025

    43.6 °F

  • Average High 2020–2025

    55 °F
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