Steffan Reservoir Weather Forecast

    • 33
    • 63

    Mostly Sunny

    • 38
    • 58

    Partly Sunny

    • 41
    • 61

    Partly Sunny

    • 47
    • 68

    Mostly Cloudy

    • 36
    • 62

    Partly Sunny

    • 34
    • 56

    Mostly Sunny

Today 11 Nov Knox

Sunny. Not as cool with Highs in the mid 60s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 11 Nov Knox

Mostly clear. Lows in the lower 30s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Steffan Reservoir Temperature Statistics

November Temperature

Yankton, Chan Gurney Municipal Airport (11.2 miles)

  • Lowest 8 November, 2025

    26.1 °F

  • Average November

    44.8 °F

  • Highest 4 November, 2025

    69.1 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    61.4 °F
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