Sioux Falls Weather Forecast

    • 50
    • 72

    Chance Rain Showers

    • 56
    • 70

    Rain Showers Likely

    • 54
    • 76

    Rain Showers

    • 53
    • 72

    Partly Sunny

    • 56
    • 68

    Chance Rain Showers

    • 54
    • 73

    Chance Rain Showers

Today 12 Sep Minnehaha

Mostly sunny and not as warm. Near steady temperature in the upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 12 Sep Minnehaha

Partly cloudy. Lows in the upper 40s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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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