Willow Valley Reservoir Weather Forecast

    • 29
    • 45

    Rain

    • 36
    • 45

    Rain

    • 36
    • 42

    Rain

    • 33
    • 45

    Rain Likely

    • 33
    • 45

    Rain Likely

    • 32
    • 42

    Snow Likely

Today 19 Dec Northern and Eastern Klamath County and Western Lake County

Mostly cloudy. Rain and snow. Snow level 4600 feet lowering to 3000 feet in the afternoon. Snow accumulation of 1 to 2 Inches north of highway 140 and little or no snow accumulation from highway 140 south. Highs in the mid 30s to mid 40s. Windy. Southwest Winds 20 to 30 Mph with Gusts to around 45 Mph. Chance of precipitation 90 percent.

Tonight 19 Dec Northern and Eastern Klamath County and Western Lake County

Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower to mid 20s. Southwest Winds 10 to 20 Mph decreasing to 5 to 10 Mph well after midnight.

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Willow Valley Reservoir Temperature Statistics

December Temperature

Klamath Falls International Airport (32.9 miles)

  • Lowest 14 December, 2025

    14 °F

  • Average December

    36 °F

  • Highest 10 December, 2025

    59 °F

Climate (2020–Present)

Klamath Falls International Airport (32.9 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    63.1 °F
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