School Grove Lake Weather Forecast

    • 41
    • 60

    Slight Chance Rain Showers

    • 32
    • 49

    Slight Chance Rain Showers

    • 32
    • 54

    Mostly Sunny

    • 38
    • 59

    Mostly Sunny

    • 42
    • 65

    Mostly Sunny

    • 47
    • 65

    Partly Sunny

Today 20 Oct Lyon

Mostly cloudy with a chance of Showers early this Morning, then partly sunny with a chance of Sprinkles this afternoon. Windy with Highs around 60. Southwest Winds 20 to 25 Mph, becoming northwest 25 to 30 Mph this afternoon. Chance of rain 30 percent.

Tonight 20 Oct Lyon

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Windy with Lows around 40. West Winds 20 to 30 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.

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School Grove Lake Temperature Statistics

October Temperature

Marshall, Southwest Minnesota Regional Airport - Marshall/Ryan Field (11.8 miles)

  • Lowest 8 October, 2025

    34 °F

  • Average October

    59.8 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

Marshall, Southwest Minnesota Regional Airport - Marshall/Ryan Field (11.8 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    56.7 °F
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