School Grove Lake Weather Forecast

    • 40
    • 80

    Chance Rain Showers

    • 40
    • 60

    Partly Sunny

    • 41
    • 59

    Mostly Cloudy

    • 45
    • 64

    Rain Showers Likely

    • 37
    • 57

    Rain Showers Likely

    • 37
    • 57

    Partly Sunny

Today 23 Apr Lyon

Mostly cloudy with isolated Showers and Thunderstorms early this Morning, then partly sunny with a chance of Showers with a slight chance of Thunderstorms this afternoon. Windy and not as warm with Highs in the upper 70s. Southwest Winds 20 to 30 Mph. Chance of rain 50 percent.

Tonight 23 Apr Lyon

Partly cloudy and breezy. Much cooler with Lows in the upper 30s. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph.

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  • Temperature Real-Time

School Grove Lake Temperature Statistics

April Temperature

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

  • Lowest 7 April, 2026

    12.9 °F

  • Average April

    42.6 °F

  • Highest 16 April, 2026

    86 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    57 °F
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