South Turtle Lake Weather Forecast

    • 66
    • 83

    Chance Thunderstorms

    • 66
    • 80

    Rain Showers Likely

    • 58
    • 82

    Partly Sunny

    • 51
    • 72

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 53
    • 78

    Partly Sunny

    • 49
    • 71

    Slight Chance Rain Showers

Today 6 Sep West Otter Tail

Numerous Showers and Thunderstorms. Highs 80 to 85. South Winds around 15 Mph. Chance of rain 70 percent.

Tonight 6 Sep West Otter Tail

Mostly cloudy. Scattered Showers and Thunderstorms, mainly in the evening. Lows in the mid 60s. Southeast Winds 5 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Turtle Lake Temperature Statistics

September Temperature

Fergus Falls Municipal Airport-Einar Mickel (16.8 miles)

  • Lowest 1 September, 2026

    53.6 °F

  • Average September

    73 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

Fergus Falls Municipal Airport-Einar Mickel (16.8 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    53.6 °F
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