Marshall Weather Forecast

    • 60
    • 84

    Chance Thunderstorms

    • 59
    • 82

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 60
    • 79

    Chance Thunderstorms

    • 64
    • 81

    Slight Chance Thunderstorms

    • 61
    • 84

    Partly Sunny

Today 20 Aug Lyon

Mostly sunny. A slight chance of Sprinkles this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds 15 to 20 Mph. Chance of rain 20 percent.

Tonight 20 Aug Lyon

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows around 60. West Winds 5 to 10 Mph. Chance of rain 20 percent.

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Marshall Temperature Statistics

August Temperature

Marshall, Southwest Minnesota Regional Airport - Marshall/Ryan Field (1.2 miles)

  • Lowest 5 August, 2026

    52 °F

  • Average August

    71.2 °F

  • Highest 3 August, 2026

    86 °F

Climate (2021–2026)

Marshall, Southwest Minnesota Regional Airport - Marshall/Ryan Field (1.2 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.9 °F
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