Mason Valley Wildlife Management Area Weather Forecast

    • 35
    • 60

    Mostly Cloudy

    • 40
    • 62

    Rain

    • 30
    • 53

    Rain

    • 28
    • 51

    Rain/Snow

    • 20
    • 44

    Chance Snow

    • 16
    • 40

    Partly Sunny

    • 16
    • 39

    Partly Sunny

Today 22 Dec Mineral and Southern Lyon Counties

Mostly cloudy in the morning then becoming partly cloudy. Chance of rain. Highs 54 to 64. South Winds 10 to 15 Mph.

Tonight 22 Dec Mineral and Southern Lyon Counties

Mostly cloudy. Lows 36 to 46. Southeast Winds 10 to 15 Mph.

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Mason Valley Wildlife Management Area Temperature Statistics

December Temperature

Fallon, Naval Air Station (32.3 miles)

  • Lowest 1 December, 2025

    19 °F

  • Average December

    41.4 °F

  • Highest 19 December, 2025

    69.1 °F

Climate (2020–Present)

Fallon, Naval Air Station (32.3 miles)

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  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    70.6 °F
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