Lake Whipple Weather Forecast

    • 68
    • 82

    Chance Thunderstorms

    • 66
    • 79

    Rain Showers Likely

    • 70
    • 79

    Rain Showers Likely

    • 60
    • 78

    Mostly Sunny

    • 56
    • 73

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 57
    • 76

    Mostly Sunny

Today 5 Sep Roberts

Partly sunny. Highs in the lower 80s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 5 Sep Roberts

Partly cloudy this Evening, then mostly cloudy with a chance of Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Whipple Temperature Statistics

September Temperature

Sisseton, Sisseton Municipal Airport (8.1 miles)

  • Lowest 1 September, 2026

    53.1 °F

  • Average September

    71.5 °F

  • Highest 3 September, 2026

    91.9 °F

Climate (2021–2026)

Sisseton, Sisseton Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    57 °F
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