Guthmiller Lake Weather Forecast

    • 66
    • 85

    Rain Showers

    • 60
    • 78

    Slight Chance Rain Showers

    • 64
    • 82

    Mostly Sunny

    • 65
    • 86

    Mostly Sunny

    • 65
    • 87

    Partly Sunny

    • 59
    • 77

    Chance Rain Showers

    • 62
    • 78

    Slight Chance Thunderstorms

Today 30 Jul Yankton

Showers and Thunderstorms likely. Near steady temperature in the lower 80s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 30 Jul Yankton

Cloudy. Showers with Thunderstorms likely this Evening, then a chance of Showers and Thunderstorms after midnight. Locally heavy rainfall possible this evening. Lows in the mid 60s. Southeast Winds 10 to 15 Mph, becoming west after midnight. Chance of rain 90 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 22 July, 2026

    59 °F

  • Average July

    78.5 °F

  • Highest 25 July, 2026

    98.1 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.8 °F
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