Otter Tail River Reservoir Weather Forecast

    • 68
    • 86

    Thunderstorms

    • 67
    • 82

    Chance Rain Showers

    • 68
    • 82

    Rain Showers Likely

    • 59
    • 83

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

Today 5 Sep West Otter Tail

Sunny. Highs in the mid 80s. Southeast Winds around 15 Mph.

Tonight 5 Sep West Otter Tail

Mostly clear with isolated Showers and Thunderstorms in the Evening, then mostly cloudy with scattered Showers and Thunderstorms after midnight. 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

Otter Tail River Reservoir Temperature Statistics

September Temperature

Fergus Falls Municipal Airport-Einar Mickel (3.1 miles)

  • Lowest 1 September, 2026

    53.6 °F

  • Average September

    72.9 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

Fergus Falls Municipal Airport-Einar Mickel (3.1 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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