Lake Sakakawea State Park Weather Forecast

    • 14
    • 38

    Increasing Clouds

    • 13
    • 22

    Cloudy

    • 12
    • 34

    Chance Snow

    • -6
    • 22

    Slight Chance Snow

    • -7
    • 4

    Cold

    • -8
    • 5

    Slight Chance Snow

Today 30 Jan Mercer

Sunny. Highs in the lower 40s. West Winds 5 to 10 Mph.

Tonight 30 Jan Mercer

Partly cloudy. Lows 10 to 15. Northwest Winds around 5 Mph, becoming north after midnight.

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  • Temperature Real-Time

Lake Sakakawea State Park Temperature Statistics

January Temperature

Garrison (8.1 miles)

  • Lowest 20 January, 2025

    -25.2 °F

  • Average January

    6.5 °F

  • Highest 15 January, 2025

    38.6 °F

Climate (2020–Present)

Garrison (8.1 miles)

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  • Average Low 2020–2025

    31.3 °F

  • Average 2020–2025

    42.7 °F

  • Average High 2020–2025

    54.1 °F
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