Yanktonai Lake Weather Forecast

    • 46
    • 75

    Partly Sunny

    • 43
    • 65

    Mostly Cloudy

    • 47
    • 64

    Rain Showers Likely

    • 43
    • 70

    Slight Chance Rain Showers

    • 42
    • 66

    Partly Sunny

    • 44
    • 69

    Chance Rain Showers

Today 11 Sep Eastern McLean

Mostly sunny. Cooler. Highs in the lower 70s. North Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 11 Sep Eastern McLean

Partly cloudy. Lows in the mid 50s. West Winds around 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Yanktonai Lake Temperature Statistics

September Temperature

Bismarck, Bismarck Municipal Airport (27.3 miles)

  • Lowest 1 September, 2026

    52.6 °F

  • Average September

    73.9 °F

  • Highest 5 September, 2026

    96.7 °F

Climate (2021–2026)

Bismarck, Bismarck Municipal Airport (27.3 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.1 °F

  • Average High 2021–2026

    56.9 °F
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