Beaver Lake Weather Forecast

    • 69
    • 91

    Severe Tstms

    • 66
    • 85

    Partly Sunny

    • 67
    • 85

    Partly Sunny

    • 72
    • 92

    Slight Chance Thunderstorms

    • 72
    • 95

    Slight Chance Thunderstorms

    • 68
    • 95

    Chance Thunderstorms

Today 23 Jul Yankton

Mostly sunny. Numerous Showers and scattered Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may be severe this afternoon. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of rain 60 percent. Heat index Values up to 105 this afternoon.

Tonight 23 Jul Yankton

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Humid with Lows in the upper 60s. Northwest Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beaver Lake Temperature Statistics

July Temperature

Yankton, Chan Gurney Municipal Airport (7.5 miles)

  • Lowest 17 July, 2025

    55.7 °F
  • Average July

    75.1 °F
  • Highest 3 July, 2025

    94.6 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    39 °F
  • Average 2020–2025

    50 °F
  • Average High 2020–2025

    61.3 °F
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