Mandan Lake Weather Forecast

    • 5
    • 41

    Chance Rain

    • 9
    • 16

    Snow Likely

    • -10
    • 26

    Chance Snow

    • -11
    • -2

    Chance Snow

    • -14
    • 1

    Slight Chance Snow

    • 4
    • 18

    Mostly Cloudy

Today 9 Dec Oliver

Cloudy with rain possibly mixed with freezing rain late in the Morning, then partly sunny with a slight chance of rain in the afternoon. Very windy. Highs around 40. Temperature falling into the in the mid 30s in the afternoon. Southwest Winds 15 to 20 Mph, increasing to northwest 30 to 40 Mph with Gusts up to 55 Mph in the afternoon.

Tonight 9 Dec Oliver

Mostly cloudy. A slight chance of snow in the evening. Very windy. Colder. Lows zero to 5 above. Northwest Winds 30 to 40 Mph with Gusts up to 60 Mph, Diminishing to 15 to 25 Mph with Gusts up to 35 Mph after midnight. Chance of snow 20 percent.

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Mandan Lake Temperature Statistics

December Temperature

HAZEN (18.6 miles)

  • Lowest 7 December, 2025

    -18.4 °F

  • Average December

    11.4 °F

  • Highest 2 December, 2025

    35.6 °F

Climate (2020–Present)

HAZEN (18.6 miles)

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  • Average Low 2020–2025

    30.1 °F

  • Average 2020–2025

    43.1 °F

  • Average High 2020–2025

    55.1 °F
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