Mollie Lake Weather Forecast

    • 67
    • 80

    Rain Showers Likely

    • 71
    • 81

    Chance Thunderstorms

    • 61
    • 79

    Mostly Sunny

    • 57
    • 74

    Mostly Sunny

    • 61
    • 77

    Partly Sunny

    • 58
    • 78

    Mostly Sunny

Today 6 Sep Roberts

Mostly cloudy in the Morning, then becoming partly sunny. Showers likely in the morning. A chance of Thunderstorms. Humid with Highs in the lower 80s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 6 Sep Roberts

Mostly cloudy with a 40 percent chance of Thunderstorms. Near steady temperature in the lower 70s. Southeast Winds 5 to 10 Mph.

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Mollie Lake Temperature Statistics

September Temperature

Sisseton, Sisseton Municipal Airport (19.9 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 (19.9 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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