Lewis and Clark Lake Weather Forecast

    • 58
    • 84

    Increasing Clouds

    • 50
    • 89

    Severe Tstms

    • 41
    • 68

    Rain Showers Likely

    • 37
    • 59

    Breezy

    • 44
    • 66

    Mostly Cloudy

    • 49
    • 73

    Slight Chance Thunderstorms

Today 16 May Knox

Partly sunny. A slight chance of Showers in the afternoon. Highs in the mid 80s. Northeast Winds 15 to 20 Mph. Chance of rain 20 percent.

Tonight 16 May Knox

Partly cloudy. Lows in the lower 50s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis and Clark Lake Temperature Statistics

May Temperature

Yankton, Chan Gurney Municipal Airport (8.1 miles)

  • Lowest 6 May, 2026

    30 °F

  • Average May

    56.5 °F

  • Highest 11 May, 2026

    86 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (8.1 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