Santee Sioux Recreation Park Weather Forecast
- 70
- 96
Partly Sunny
- 67
- 89
Slight Chance Thunderstorms
- 67
- 89
Chance Thunderstorms
- 69
- 90
Slight Chance Thunderstorms
- 69
- 92
Partly Sunny
- 70
- 93
Partly Sunny
Today 30 Aug Knox
Mostly sunny. Highs in the mid 90s. Southwest Winds 5 to 10 Mph.
Tonight 30 Aug Knox
Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 70. Southwest Winds 5 to 10 Mph.
Santee Sioux Recreation Park Temperature Statistics
August Temperature
Yankton, Chan Gurney Municipal Airport (23.6 miles)
Lowest 5 August, 2026
52 °FAverage August
72.7 °FHighest 11 August, 2026
90 °F
Climate (2021–2026)
Yankton, Chan Gurney Municipal Airport (23.6 miles)
Average Low 2021–2026
39.3 °FAverage 2021–2026
50.5 °FAverage High 2021–2026
61.8 °F