Cottonwood Recreation Area Weather Forecast
- 63
- 84
Becoming Sunny
- 62
- 88
Chance Thunderstorms
- 61
- 76
Rain Showers
- 60
- 72
Rain Showers Likely
- 58
- 70
Chance Thunderstorms
- 58
- 72
Mostly Cloudy
Today 15 Sep Yankton
Sunny. Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 15 Sep Yankton
Mostly clear. Lows in the lower 60s. Southeast Winds 10 to 15 Mph.
Cottonwood Recreation Area Temperature Statistics
September Temperature
Yankton, Chan Gurney Municipal Airport (6.2 miles)
Lowest 7 September, 2025
41 °FAverage September
64.5 °FHighest 11 September, 2025
84 °F
Climate (2020–Present)
Yankton, Chan Gurney Municipal Airport (6.2 miles)
Average Low 2020–2025
39 °FAverage 2020–2025
50 °FAverage High 2020–2025
61.2 °F