Johnstone Dam Weather Forecast

    • 13
    • 54

    Rain/Snow Likely

    • 2
    • 21

    Chance Snow

    • -2
    • 10

    Chance Snow

    • 2
    • 19

    Partly Sunny

    • 0
    • 20

    Partly Sunny

    • 9
    • 23

    Partly Sunny

Today 17 Feb Golden Valley

Mostly cloudy with a 40 percent chance of rain. Highs in the mid 50s. South Winds 20 to 25 Mph.

Tonight 17 Feb Golden Valley

Mostly cloudy. Patchy blowing and Drifting snow in the evening. Snow possibly mixed with rain and likely in the Evening, then a slight chance of snow after midnight. Windy, Colder. Little or no new snow accumulation. Lows 10 to 15. West Winds 20 to 30 Mph with Gusts up to 40 Mph. Chance of precipitation 60 percent.

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Johnstone Dam Temperature Statistics

February Temperature

BEACH (12.4 miles)

  • Lowest 11 February, 2026

    19.4 °F

  • Average February

    35.2 °F

  • Highest 5 February, 2026

    59 °F

Climate (2021–Present)

BEACH (12.4 miles)

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  • Average Low 2021–2026

    31.3 °F

  • Average 2021–2026

    43.8 °F

  • Average High 2021–2026

    55.7 °F
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