Hanna Weather Forecast

    • 13
    • 27

    Decreasing Clouds

    • 37
    • 45

    Mostly Cloudy

    • 26
    • 53

    Mostly Cloudy

    • 38
    • 47

    Mostly Cloudy

    • 38
    • 52

    Partly Sunny

    • 29
    • 48

    Slight Chance Snow

    • 22
    • 43

    Mostly Sunny

Today 20 Dec Northern Black Hills

Partly cloudy. Highs around 30. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 20 Dec Northern Black Hills

Mostly clear. Lows 15 to 20. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hanna Temperature Statistics

December Temperature

Spearfish / Clyde Ice (15.5 miles)

  • Lowest 13 December, 2025

    5 °F

  • Average December

    33.8 °F

  • Highest 14 December, 2025

    60.8 °F

Climate (2020–Present)

Spearfish / Clyde Ice (15.5 miles)

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

  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    58.3 °F
Get WillyWeather+ to remove ads