Johnson Dam Weather Forecast

    • 58
    • 80

    Thunderstorms

    • 57
    • 78

    Chance Thunderstorms

    • 57
    • 81

    Chance Thunderstorms

    • 63
    • 87

    Mostly Sunny

    • 64
    • 95

    Slight Chance Thunderstorms

    • 57
    • 88

    Chance Thunderstorms

    • 53
    • 76

    Mostly Sunny

Today 5 Jul Northern Perkins

Mostly sunny. Near steady temperature in the upper 70s. Northeast Winds 10 to 15 Mph.

Tonight 5 Jul Northern Perkins

Showers and Thunderstorms likely. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the upper 50s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Dam Temperature Statistics

July Temperature

Hettinger, Hettinger Municipal Airport (20.5 miles)

  • Lowest 1 July, 2025

    46 °F

  • Average July

    75.1 °F

  • Highest 3 July, 2025

    96.1 °F

Climate (2020–Present)

Hettinger, Hettinger Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    30.9 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    58.3 °F
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