Willow Creek Bay Weather Forecast

    • 64
    • 90

    Mostly Cloudy

    • 56
    • 84

    Becoming Sunny

    • 54
    • 79

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 53
    • 85

    Mostly Sunny

    • 50
    • 76

    Chance Rain Showers

    • 48
    • 71

    Chance Rain Showers

Today 7 Sep Dewey

Partly sunny and Windy, hot with Highs in the lower 90s. South Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 7 Sep Dewey

Mostly cloudy. Lows in the lower 60s. North Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Willow Creek Bay Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (35.4 miles)

  • Lowest 1 September, 2026

    56.6 °F

  • Average September

    78 °F

  • Highest 5 September, 2026

    100.9 °F

Climate (2021–2026)

Pierre, Pierre Regional Airport (35.4 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    61.5 °F
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