Mundt Lake Weather Forecast

    • 25
    • 41

    Slight Chance Freezing Rain

    • 24
    • 44

    Increasing Clouds

    • 27
    • 38

    Mostly Cloudy

    • 30
    • 47

    Partly Sunny

    • 18
    • 45

    Mostly Cloudy

    • 17
    • 35

    Partly Sunny

    • 13
    • 33

    Partly Sunny

Today 21 Dec Sully

Partly sunny. Near steady temperature in the upper 30s. Southeast Winds 5 to 10 Mph.

Tonight 21 Dec Sully

Mostly cloudy with a chance of rain and freezing rain this Evening, then partly cloudy after midnight. Not as cold with Lows in the mid 20s. East Winds 5 to 10 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mundt Lake Temperature Statistics

December Temperature

Pierre, Pierre Regional Airport (34.8 miles)

  • Lowest 14 December, 2025

    -9.9 °F

  • Average December

    24.6 °F

  • Highest 17 December, 2025

    55 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (34.8 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    61.2 °F
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