South Park Weather Forecast
- 75
- 95
Slight Chance Thunderstorms
- 77
- 96
Mostly Sunny
- 74
- 96
Chance Thunderstorms
- 74
- 93
Slight Chance Thunderstorms
- 71
- 92
Partly Sunny
- 70
- 92
Mostly Sunny
Today 31 Aug Polk
Mostly sunny with a slight chance of Showers and Thunderstorms. Humid with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 103 in the afternoon.
Tonight 31 Aug Polk
Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. Southwest Winds around 5 Mph, becoming southeast after midnight. Chance of rain 20 percent. Heat index Values up to 102 early in the evening.
South Park Temperature Statistics
August Temperature
Des Moines International Airport (2.5 miles)
Lowest 23 August, 2026
57.7 °FAverage August
75.3 °FHighest 11 August, 2026
92.6 °F
Climate (2021–2026)
Des Moines International Airport (2.5 miles)
Average Low 2021–2026
43.7 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
63.5 °F