Lake De Smet Weather Forecast

    • 51
    • 75

    Severe Tstms

    • 48
    • 70

    Rain Showers

    • 53
    • 79

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 56
    • 87

    Mostly Sunny

    • 49
    • 88

    Slight Chance Thunderstorms

Today 16 Jun Northeast Johnson County

Partly cloudy this Morning, then mostly cloudy with Showers likely with a chance of Thunderstorms this afternoon. Some Thunderstorms may be severe. Highs in the upper 70s. South Winds around 10 Mph, becoming northeast with Gusts up to 25 Mph this afternoon. Chance of rain 60 percent.

Tonight 16 Jun Northeast Johnson County

Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may be severe in the evening. Breezy with Lows in the lower 50s. North Winds 20 to 25 Mph with Gusts up to 40 Mph, becoming southwest around 10 Mph after midnight. Chance of rain 60 percent.

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  • Temperature Real-Time

Lake De Smet Temperature Statistics

June Temperature

Buffalo - Johnson County Airport (6.2 miles)

  • Lowest 6 June, 2025

    40.6 °F

  • Average June

    60.8 °F

  • Highest 1 June, 2025

    86.6 °F

Climate (2020–Present)

Buffalo - Johnson County Airport (6.2 miles)

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  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    58.8 °F
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