Rousseau Recreation and Overlook Area Weather Forecast
- 68
- 92
Chance Rain Showers
- 68
- 93
Chance Rain Showers
- 58
- 86
Mostly Sunny
- 56
- 83
Partly Sunny
- 59
- 87
Partly Sunny
- 58
- 87
Mostly Sunny
Today 6 Sep Hughes
Partly sunny. A chance of Showers with a slight chance of Thunderstorms in the morning. Hot with Highs around 90. Southeast Winds 15 to 20 Mph. Chance of rain 40 percent.
Tonight 6 Sep Hughes
Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms. A chance of Showers after midnight. Humid with Lows in the upper 60s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.
Rousseau Recreation and Overlook Area Temperature Statistics
September Temperature
Pierre, Pierre Regional Airport (11.2 miles)
Lowest 1 September, 2026
56.6 °FAverage September
75.5 °FHighest 3 September, 2026
99 °F
Climate (2021–2026)
Pierre, Pierre Regional Airport (11.2 miles)
Average Low 2021–2026
36.9 °FAverage 2021–2026
48.9 °FAverage High 2021–2026
61.4 °F