Beaver Lake Weather Forecast

    • 57
    • 82

    Rain Showers Likely

    • 54
    • 71

    Rain Showers

    • 57
    • 77

    Chance Thunderstorms

    • 55
    • 79

    Slight Chance Thunderstorms

    • 54
    • 78

    Slight Chance Thunderstorms

    • 57
    • 80

    Chance Thunderstorms

Today 20 Jun Yankton

Mostly sunny. A slight chance of Showers this afternoon. Warmer with Highs in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 20 Jun Yankton

Showers likely in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the upper 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beaver Lake Temperature Statistics

June Temperature

Yankton, Chan Gurney Municipal Airport (7.5 miles)

  • Lowest 16 June, 2026

    52 °F

  • Average June

    72.4 °F

  • Highest 9 June, 2026

    95 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (7.5 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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