Johnson Dam Weather Forecast

    • 28
    • 52

    Mostly Sunny

    • 33
    • 57

    Partly Sunny

    • 23
    • 50

    Chance Snow

    • 16
    • 33

    Slight Chance Snow

    • 10
    • 31

    Breezy

    • 13
    • 33

    Mostly Cloudy

Today 6 Dec Northern Perkins

Sunny. Not as cool with Highs in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 6 Dec Northern Perkins

Mostly clear. Lows in the upper 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 10 to 20 Mph with Gusts up to 30 Mph after midnight.

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  • Temperature Real-Time

Johnson Dam Temperature Statistics

December Temperature

Hettinger, Hettinger Municipal Airport (20.5 miles)

  • Lowest 1 December, 2024

    -0.9 °F

  • Average December

    18.1 °F

  • Highest 3 December, 2024

    50 °F

Climate (2019–Present)

Hettinger, Hettinger Municipal Airport (20.5 miles)

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  • Average Low 2019–2024

    31.1 °F

  • Average 2019–2024

    44.8 °F

  • Average High 2019–2024

    58.3 °F
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