Dworshak Reservoir Weather Forecast

    • 46
    • 70

    Decreasing Clouds

    • 49
    • 77

    Partly Cloudy

    • 47
    • 74

    Rain

    • 42
    • 51

    Rain

    • 37
    • 53

    Chance Rain

    • 38
    • 59

    Partly Sunny

    • 37
    • 58

    Partly Sunny

Today 19 Apr Northern Clearwater Mountains

Partly cloudy. Highs in the mid 60s to lower 70s.

Tonight 19 Apr Northern Clearwater Mountains

Mostly cloudy until early morning then becoming partly cloudy. Lows in the mid 30s to lower 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dworshak Reservoir Temperature Statistics

April Temperature

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

  • Lowest 8 April, 2026

    36.6 °F

  • Average April

    52.2 °F

  • Highest 6 April, 2026

    75.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    66.1 °F
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