Nine Eagles State Park Weather Forecast

    • 71
    • 86

    Chance Thunderstorms

    • 65
    • 83

    Rain Showers Likely

    • 59
    • 71

    Rain Showers Likely

    • 54
    • 62

    Rain Showers Likely

    • 48
    • 60

    Partly Sunny

    • 52
    • 63

    Mostly Cloudy

    • 55
    • 65

    Mostly Cloudy

Today 18 Sep Decatur

Mostly sunny. Highs in the mid 80s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 18 Sep Decatur

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows around 70. South Winds 5 to 10 Mph. Chance of rain 40 percent.

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Nine Eagles State Park Temperature Statistics

September Temperature

Lamoni, Lamoni Municipal Airport (7.5 miles)

  • Lowest 14 September, 2026

    55.7 °F

  • Average September

    76.1 °F

  • Highest 2 September, 2026

    97.6 °F

Climate (2021–2026)

Lamoni, Lamoni Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.9 °F
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