Guthmiller Lake Weather Forecast

    • 70
    • 90

    Thunderstorms Likely

    • 63
    • 85

    Chance Thunderstorms

    • 63
    • 84

    Slight Chance Thunderstorms

    • 65
    • 86

    Chance Thunderstorms

    • 65
    • 86

    Chance Rain Showers

    • 66
    • 88

    Mostly Cloudy

Today 4 Jul Yankton

Sunny this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Breezy with Highs around 90. South Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 30 percent.

Tonight 4 Jul Yankton

Thunderstorms likely. Showers Likely, mainly in the evening. Humid with Lows around 70. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guthmiller Lake Temperature Statistics

July Temperature

Yankton, Chan Gurney Municipal Airport (16.8 miles)

  • Lowest 1 July, 2025

    61 °F

  • Average July

    74.7 °F

  • Highest 1 July, 2025

    86 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (16.8 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    61.3 °F
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