Lake Arikara Weather Forecast

    • 50
    • 76

    Breezy

    • 52
    • 72

    Chance Rain Showers

    • 54
    • 76

    Chance Rain Showers

    • 59
    • 76

    Rain Showers Likely

    • 57
    • 79

    Chance Rain Showers

    • 53
    • 75

    Mostly Cloudy

Today 14 Sep Hughes

Mostly cloudy with Showers likely Early, then partly sunny with a chance of Showers. Windy with Highs in the mid 70s. Southeast Winds 15 to 25 Mph, becoming west 20 to 30 Mph. Gusts up to 45 Mph. Chance of rain 70 percent.

Tonight 14 Sep Hughes

Mostly clear and breezy and less humid with Lows in the upper 40s. West Winds 15 to 25 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arikara Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (0.6 miles)

  • Lowest 12 September, 2026

    51.1 °F

  • Average September

    74.7 °F

  • Highest 5 September, 2026

    102.7 °F

Climate (2021–2026)

Pierre, Pierre Regional Airport (0.6 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    61.5 °F
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