Lake De Smet Weather Forecast

    • 60
    • 93

    Areas Smoke

    • 61
    • 94

    Mostly Sunny

    • 59
    • 91

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 57
    • 86

    Slight Chance Thunderstorms

    • 55
    • 80

    Rain Showers Likely

Today 7 Aug Northeast Johnson County

Sunny. Areas of smoke. Highs in the mid 90s. South Winds 10 to 15 Mph, becoming east this afternoon.

Tonight 7 Aug Northeast Johnson County

Clear. Areas of smoke. Lows around 60. North Winds around 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake De Smet Temperature Statistics

August Temperature

Buffalo - Johnson County Airport (6.2 miles)

  • Lowest 4 August, 2026

    44.7 °F

  • Average August

    70.6 °F

  • Highest 1 August, 2026

    101.6 °F

Climate (2021–2026)

Buffalo - Johnson County Airport (6.2 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    59.5 °F
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