McCook Lake Weather Forecast

    • 53
    • 76

    Chance Rain Showers

    • 51
    • 72

    Rain Showers Likely

    • 51
    • 76

    Partly Sunny

    • 57
    • 83

    Slight Chance Thunderstorms

    • 57
    • 88

    Chance Thunderstorms

    • 53
    • 77

    Chance Thunderstorms

Today 14 May Union

Mostly sunny. Highs in the mid 70s. Northeast Winds 5 to 10 Mph, becoming east in the afternoon.

Tonight 14 May Union

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the mid 50s. Southeast Winds around 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McCook Lake Temperature Statistics

May Temperature

Sioux City, Sioux Gateway Airport (11.2 miles)

  • Lowest 5 May, 2024

    37.7 °F

  • Average May

    57.7 °F

  • Highest 11 May, 2024

    80.1 °F

Climate (2019–Present)

Sioux City, Sioux Gateway Airport (11.2 miles)

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  • Average Low 2019–2024

    39 °F

  • Average 2019–2024

    50.1 °F

  • Average High 2019–2024

    61.6 °F
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