Swanson Reservoir State Recreation Area Weather Forecast

    • 66
    • 93

    Rain Showers Likely

    • 66
    • 95

    Chance Thunderstorms

    • 68
    • 96

    Mostly Sunny

    • 69
    • 97

    Hot

    • 71
    • 100

    Hot

    • 70
    • 99

    Hot

    • 69
    • 97

    Hot

Today 31 Aug Hitchcock

Partly cloudy. Highs in the lower 90s. Southeast Winds 5 to 10 Mph.

Tonight 31 Aug Hitchcock

Mostly cloudy with a 50 percent chance of Thunderstorms. Lows in the mid 60s. East Winds 5 to 10 Mph, becoming north after midnight.

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Swanson Reservoir State Recreation Area Temperature Statistics

August Temperature

McCook, McCook Municipal Airport (24.9 miles)

  • Lowest 5 August, 2026

    55.9 °F

  • Average August

    77.5 °F

  • Highest 8 August, 2026

    107.1 °F

Climate (2021–2026)

McCook, McCook Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    68.8 °F
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