Sioux Falls Weather Forecast

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    Slight Chance Rain Showers

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    Rain Showers

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    Rain Showers

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    Slight Chance Rain Showers

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    Chance Rain Showers

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    Slight Chance Rain Showers

Today 12 Sep Minnehaha

Mostly sunny. A chance of Sprinkles this morning. Not as warm with Highs in the lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 12 Sep Minnehaha

Partly cloudy. Lows in the lower 50s. North Winds around 5 Mph.

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Sioux Falls Temperature Statistics

September Temperature

Sioux Falls, Foss Field (3.1 miles)

  • Lowest 10 September, 2026

    51.1 °F

  • Average September

    76.8 °F

  • Highest 4 September, 2026

    99.6 °F

Climate (2021–2026)

Sioux Falls, Foss Field (3.1 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    61.1 °F
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