Lake De Smet Weather Forecast

    • 25
    • 49

    Mostly Sunny

    • 26
    • 44

    Increasing Clouds

    • 21
    • 48

    Chance Rain/Snow

    • 5
    • 30

    Snow Likely

    • 4
    • 17

    Slight Chance Snow

    • 3
    • 20

    Mostly Cloudy

    • 2
    • 20

    Chance Snow

Today 30 Jan Northeast Johnson County

Sunny. Highs around 50. Temperature falling into the upper 30s late. West Winds around 10 Mph.

Tonight 30 Jan Northeast Johnson County

Mostly clear. Lows in the lower 20s. Southwest Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake De Smet Temperature Statistics

January Temperature

Buffalo - Johnson County Airport (6.2 miles)

  • Lowest 20 January, 2025

    -12.2 °F

  • Average January

    22.4 °F

  • Highest 16 January, 2025

    56.6 °F

Climate (2020–Present)

Buffalo - Johnson County Airport (6.2 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    58.7 °F
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