Dworshak Reservoir Weather Forecast

    • 35
    • 47

    Decreasing Clouds

    • 33
    • 48

    Partly Sunny

    • 32
    • 49

    Mostly Sunny

    • 30
    • 46

    Mostly Sunny

    • 30
    • 44

    Mostly Sunny

    • 30
    • 45

    Mostly Sunny

Today 12 Jan Northern Clearwater Mountains

Mostly cloudy. Highs in the 40s.

Tonight 12 Jan Northern Clearwater Mountains

Partly cloudy. Lows in the mid 20s to lower 30s.

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Dworshak Reservoir Temperature Statistics

January Temperature

Lewiston, Lewiston-Nez Perce County Airport (39.1 miles)

  • Lowest 1 January, 2026

    26.1 °F

  • Average January

    38.6 °F

  • Highest 4 January, 2026

    55.9 °F

Climate (2021–Present)

Lewiston, Lewiston-Nez Perce County Airport (39.1 miles)

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    66 °F
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