Mandan Lake Weather Forecast

    • 28
    • 35

    Decreasing Clouds

    • 11
    • 40

    Windy

    • -1
    • 19

    Slight Chance Snow

    • 6
    • 17

    Mostly Cloudy

    • 3
    • 27

    Partly Sunny

    • 4
    • 19

    Mostly Cloudy

Today 14 Jan Oliver

Decreasing Clouds. Highs in the mid 30s. South Winds around 5 Mph.

Tonight 14 Jan Oliver

Mostly cloudy. Lows in the upper 20s. Temperature rising into the in the lower 30s after midnight. Southwest Winds 5 to 15 Mph.

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Mandan Lake Temperature Statistics

January Temperature

HAZEN (18.6 miles)

  • Lowest 1 January, 2026

    10.4 °F

  • Average January

    24.8 °F

  • Highest 7 January, 2026

    42.8 °F

Climate (2021–Present)

HAZEN (18.6 miles)

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  • Average Low 2021–2026

    30.1 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    55 °F
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