Lake Vermillion Recreation Area Weather Forecast

    • 35
    • 60

    Mostly Sunny

    • 45
    • 63

    Partly Sunny

    • 47
    • 60

    Mostly Cloudy

    • 47
    • 59

    Rain Showers Likely

    • 42
    • 56

    Chance Rain Showers

    • 36
    • 56

    Chance Rain Showers

    • 35
    • 54

    Partly Sunny

Today 23 Oct McCook

Sunny. Highs in the upper 50s. East Winds around 5 Mph, becoming southeast around 5 Mph this afternoon.

Tonight 23 Oct McCook

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 30s. Southeast Winds 5 to 10 Mph.

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Lake Vermillion Recreation Area Temperature Statistics

October Temperature

Sioux Falls, Foss Field (21.1 miles)

  • Lowest 21 October, 2025

    35.1 °F

  • Average October

    59.6 °F

  • Highest 3 October, 2025

    91 °F

Climate (2020–Present)

Sioux Falls, Foss Field (21.1 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    60.7 °F
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