Lake Yankton Weather Forecast

    • 65
    • 94

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

    • 72
    • 92

    Chance Thunderstorms

    • 65
    • 94

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 59
    • 80

    Chance Rain Showers

Today 17 Jul Lyon

Sunny, hot with Highs in the mid 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Jul Lyon

Clear. Near steady temperature in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Yankton Temperature Statistics

July Temperature

Tracy, Tracy Municipal Airport (12.4 miles)

  • Lowest 5 July, 2026

    60.8 °F

  • Average July

    73.6 °F

  • Highest 7 July, 2026

    87.8 °F

Climate (2021–2026)

Tracy, Tracy Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    57.2 °F
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