Lewis and Clark Lake State Recreation Area Weather Forecast

    • 54
    • 89

    Mostly Sunny

    • 57
    • 85

    Rain Showers

    • 51
    • 88

    Rain Showers

    • 43
    • 71

    Chance Thunderstorms

    • 38
    • 59

    Partly Sunny

    • 44
    • 66

    Mostly Cloudy

Today 15 May Knox

Sunny, hot with Highs in the lower 90s. South Winds around 5 Mph, becoming east this Morning, then becoming north with Gusts up to 20 Mph this afternoon.

Tonight 15 May Knox

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. North Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis and Clark Lake State Recreation Area Temperature Statistics

May Temperature

Yankton, Chan Gurney Municipal Airport (11.8 miles)

  • Lowest 6 May, 2026

    30 °F

  • Average May

    55.8 °F

  • Highest 11 May, 2026

    86 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (11.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.8 °F
Get WillyWeather+ to remove ads