Steffan Reservoir Weather Forecast

    • 31
    • 44

    Decreasing Clouds

    • 37
    • 51

    Mostly Sunny

    • 41
    • 54

    Mostly Sunny

    • 46
    • 53

    Breezy

    • 42
    • 59

    Mostly Cloudy

    • 39
    • 52

    Chance Rain Showers

Today 14 Nov Knox

Mostly sunny. Highs in the mid 40s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 14 Nov Knox

Partly cloudy. Lows around 30. South Winds 10 to 15 Mph with Gusts up to 25 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 7 November, 2026

    28.9 °F

  • Average November

    48.4 °F

  • Highest 2 November, 2026

    73 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    61.8 °F
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