Lake Mason National Wildlife Refuge Weather Forecast

    • 44
    • 73

    Decreasing Clouds

    • 50
    • 79

    Partly Sunny

    • 32
    • 78

    Rain Showers

    • 25
    • 41

    Chance Snow Showers

    • 21
    • 39

    Chance Snow Showers

    • 21
    • 42

    Chance Snow Showers

    • 25
    • 47

    Slight Chance Rain/Snow

Today 20 Apr Musselshell

Sunny. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 20 Apr Musselshell

Partly cloudy. Lows in the mid 40s. East Winds 5 to 10 Mph in the evening shifting to the southwest overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Mason National Wildlife Refuge Temperature Statistics

April Temperature

N BAR Ranch Airport (10.6 miles)

  • Lowest 16 April, 2026

    21.2 °F

  • Average April

    39.8 °F

  • Highest 11 April, 2026

    71.6 °F

Climate (2021–Present)

N BAR Ranch Airport (10.6 miles)

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  • Average Low 2021–2026

    32 °F

  • Average 2021–2026

    44.2 °F

  • Average High 2021–2026

    55.6 °F
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