North of Grand Weather Forecast

    • 69
    • 92

    Slight Chance Thunderstorms

    • 67
    • 90

    Partly Sunny

    • 66
    • 90

    Chance Rain Showers

    • 63
    • 85

    Chance Thunderstorms

    • 60
    • 82

    Chance Rain Showers

    • 57
    • 78

    Slight Chance Thunderstorms

Today 14 Sep Polk

Partly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 14 Sep Polk

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North of Grand Temperature Statistics

September Temperature

Des Moines International Airport (3.7 miles)

  • Lowest 7 September, 2025

    43 °F

  • Average September

    64.8 °F

  • Highest 11 September, 2025

    86 °F

Climate (2020–Present)

Des Moines International Airport (3.7 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.8 °F
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