Headman Slough Weather Forecast

    • 50
    • 68

    Increasing Clouds

    • 51
    • 64

    Mostly Cloudy

    • 50
    • 65

    Rain Showers

    • 49
    • 66

    Partly Sunny

    • 49
    • 66

    Chance Rain Showers

    • 53
    • 71

    Slight Chance Rain Showers

Today 12 Sep Day

Partly sunny. Not as warm with Highs in the upper 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 Sep Day

Mostly cloudy. A slight chance of Showers after midnight. Lows in the lower 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Headman Slough Temperature Statistics

September Temperature

Sisseton, Sisseton Municipal Airport (26.7 miles)

  • Lowest 10 September, 2026

    48.9 °F

  • Average September

    71.4 °F

  • Highest 3 September, 2026

    91.9 °F

Climate (2021–2026)

Sisseton, Sisseton Municipal Airport (26.7 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    57 °F
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