Steffan Reservoir Weather Forecast

    • 3
    • 19

    Increasing Clouds

    • 30
    • 41

    Snow Likely

    • 39
    • 65

    Partly Sunny

    • 45
    • 72

    Partly Sunny

    • 46
    • 80

    Partly Sunny

    • 40
    • 75

    Partly Sunny

Today 16 Mar Knox

Mostly sunny. Highs in the lower 20s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 19 below.

Tonight 16 Mar Knox

Mostly clear in the Evening, then becoming mostly cloudy. Cold with Lows around 4 above. North Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast after midnight. Wind chill Values as low as 7 below after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Steffan Reservoir Temperature Statistics

March Temperature

Yankton, Chan Gurney Municipal Airport (11.2 miles)

  • Lowest 1 March, 2026

    10.9 °F

  • Average March

    40.3 °F

  • Highest 8 March, 2026

    75 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    61.7 °F
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