Cottonwood Recreation Area Weather Forecast
- 54
- 62
Rain Showers
- 47
- 59
Rain Showers
- 47
- 63
Mostly Cloudy
- 52
- 65
Rain Showers Likely
- 55
- 70
Mostly Cloudy
- 57
- 71
Chance Rain Showers
Today 20 Sep Yankton
Cloudy. A slight chance of Showers late this Morning, then Showers this afternoon. Near steady temperature in the lower 60s. Northeast Winds 10 to 15 Mph. Chance of rain 90 percent.
Tonight 20 Sep Yankton
Showers. Near steady temperature in the upper 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.
Cottonwood Recreation Area Temperature Statistics
September Temperature
Yankton, Chan Gurney Municipal Airport (6.2 miles)
Lowest 13 September, 2026
48.9 °FAverage September
71.4 °FHighest 4 September, 2026
95 °F
Climate (2021–2026)
Yankton, Chan Gurney Municipal Airport (6.2 miles)
Average Low 2021–2026
39.4 °FAverage 2021–2026
50.5 °FAverage High 2021–2026
61.8 °F