Lake Arikara Weather Forecast

    • 51
    • 62

    Rain Showers

    • 45
    • 61

    Chance Rain Showers

    • 51
    • 65

    Slight Chance Rain Showers

    • 54
    • 71

    Chance Rain Showers

    • 54
    • 76

    Partly Sunny

    • 57
    • 75

    Slight Chance Rain Showers

    • 54
    • 77

    Partly Sunny

Today 20 Sep Hughes

Partly cloudy. Lows in the mid 50s. Highs in the lower 70s.

Tonight 20 Sep Hughes

Patchy fog this evening. Showers. Lows in the lower 50s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arikara Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (0.6 miles)

  • Lowest 17 September, 2026

    47.6 °F

  • Average September

    70.6 °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

    61.4 °F
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