Greater South Side Weather Forecast

    • 71
    • 93

    Increasing Clouds

    • 68
    • 86

    Chance Rain Showers

    • 72
    • 88

    Partly Sunny

    • 70
    • 95

    Rain Showers Likely

    • 64
    • 86

    Chance Rain Showers

    • 65
    • 84

    Chance Rain Showers

Today 5 Sep Polk

Mostly sunny. Highs in the lower 90s. Northeast Winds around 5 Mph. Heat index Values up to 106.

Tonight 5 Sep Polk

Partly cloudy. Humid with Lows around 70. East Winds 5 to 10 Mph. Heat index Values up to 104 early in the evening.

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Greater South Side Temperature Statistics

September Temperature

Des Moines International Airport (1.2 miles)

  • Lowest 1 September, 2026

    75.7 °F

  • Average September

    85.9 °F

  • Highest 1 September, 2026

    96.7 °F

Climate (2021–2026)

Des Moines International Airport (1.2 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.5 °F
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