Johnson Dam Weather Forecast

    • 56
    • 76

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

    • 48
    • 62

    Chance Rain Showers

    • 49
    • 63

    Slight Chance Rain Showers

    • 49
    • 70

    Partly Sunny

    • 51
    • 77

    Partly Sunny

Today 16 Sep Northern Perkins

Mostly sunny in the Morning, then partly cloudy with a slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 16 Sep Northern Perkins

Partly cloudy with scattered Showers. Lows in the lower 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Dam Temperature Statistics

September Temperature

Hettinger, Hettinger Municipal Airport (20.5 miles)

  • Lowest 6 September, 2025

    28 °F

  • Average September

    62 °F

  • Highest 11 September, 2025

    87.1 °F

Climate (2020–Present)

Hettinger, Hettinger Municipal Airport (20.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    31 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    58.3 °F
Get WillyWeather+ to remove ads