Mundt Lake Weather Forecast

    • 64
    • 95

    Chance Thunderstorms

    • 61
    • 78

    Chance Thunderstorms

    • 63
    • 85

    Slight Chance Thunderstorms

    • 63
    • 88

    Chance Thunderstorms

    • 65
    • 91

    Chance Thunderstorms

    • 65
    • 92

    Chance Thunderstorms

Today 22 Jul Sully

Partly sunny. A slight chance of Thunderstorms in the afternoon. Hot with Highs in the mid 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Heat index Values up to 105 in the afternoon.

Tonight 22 Jul Sully

Partly cloudy in the Evening, then becoming mostly cloudy. A 50 percent chance of Thunderstorms. Humid with Lows in the mid 60s. East Winds around 10 Mph, becoming northeast after midnight. Heat index Values up to 106 early in the evening.

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Mundt Lake Temperature Statistics

July Temperature

Pierre, Pierre Regional Airport (34.8 miles)

  • Lowest 17 July, 2025

    46.7 °F

  • Average July

    74.5 °F

  • Highest 14 July, 2025

    104.6 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (34.8 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    61.2 °F
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