Greater South Side Weather Forecast

    • 65
    • 84

    Chance Thunderstorms

    • 63
    • 84

    Rain Showers Likely

    • 60
    • 79

    Chance Thunderstorms

    • 63
    • 82

    Chance Rain Showers

    • 63
    • 83

    Chance Rain Showers

    • 60
    • 83

    Slight Chance Thunderstorms

    • 57
    • 78

    Mostly Sunny

Today 17 Sep Polk

Showers likely with a chance of Thunderstorms. Highs in the lower 80s. Southeast Winds around 5 Mph. Chance of rain 70 percent.

Tonight 17 Sep Polk

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly this evening. Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greater South Side Temperature Statistics

September Temperature

Des Moines International Airport (1.2 miles)

  • Lowest 7 September, 2025

    43 °F

  • Average September

    68.7 °F

  • Highest 13 September, 2025

    96.1 °F

Climate (2020–Present)

Des Moines International Airport (1.2 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.9 °F
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