Rousseau Recreation and Overlook Area Weather Forecast

    • 51
    • 62

    Rain Showers

    • 45
    • 63

    Chance Rain Showers

    • 51
    • 66

    Mostly Cloudy

    • 55
    • 72

    Mostly Cloudy

    • 56
    • 78

    Partly Sunny

    • 59
    • 78

    Mostly Cloudy

Today 20 Sep Hughes

Cloudy. A chance of Showers in the Morning, then Showers in the afternoon. Patchy fog in the afternoon. Highs in the lower 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 20 Sep Hughes

Patchy fog in the evening. Showers. Lows in the upper 40s. East Winds 10 to 15 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rousseau Recreation and Overlook Area Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (11.2 miles)

  • Lowest 17 September, 2026

    48 °F

  • Average September

    71 °F

  • Highest 5 September, 2026

    102.7 °F

Climate (2021–2026)

Pierre, Pierre Regional Airport (11.2 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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