Cook Field Weather Forecast

    • 57
    • 79

    Rain Showers Likely

    • 61
    • 86

    Chance Thunderstorms

    • 58
    • 81

    Chance Thunderstorms

    • 54
    • 75

    Chance Rain Showers

    • 52
    • 74

    Slight Chance Thunderstorms

    • 54
    • 76

    Partly Sunny

Today 14 Sep Brule

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Humid with Highs around 80. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 60 percent.

Tonight 14 Sep Brule

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to around 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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Cook Field Temperature Statistics

September Temperature

Chamberlain, Chamberlain Municipal Airport (3.1 miles)

  • Lowest 6 September, 2025

    37.8 °F

  • Average September

    64.6 °F

  • Highest 8 September, 2025

    89.1 °F

Climate (2020–Present)

Chamberlain, Chamberlain Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.2 °F
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