Turtle Marsh State Wildlife Management Area Weather Forecast

    • 61
    • 78

    Chance Thunderstorms

    • 57
    • 73

    Chance Thunderstorms

    • 58
    • 75

    Chance Thunderstorms

    • 60
    • 79

    Chance Rain Showers

    • 56
    • 79

    Chance Rain Showers

    • 54
    • 73

    Slight Chance Rain Showers

Today 18 Sep Watonwan

Mostly cloudy. Slight chance of Showers early in the morning. Chance of Showers and slight chance of Thunderstorms late in the afternoon. Highs in the upper 70s. South Winds 5 to 10 Mph. Chance of precipitation 30 percent.

Tonight 18 Sep Watonwan

Mostly cloudy. Chance of Thunderstorms in the Evening, then chance of Showers and slight chance of Thunderstorms after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

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Turtle Marsh State Wildlife Management Area Temperature Statistics

September Temperature

St. James Municipal Airport (8.1 miles)

  • Lowest 7 September, 2025

    37.4 °F

  • Average September

    63.7 °F

  • Highest 13 September, 2025

    91.4 °F

Climate (2020–Present)

St. James Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    56.6 °F
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