Mary Ann Lake Weather Forecast

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    Snow

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    Chance Snow

    • 25
    • 31

    Chance Snow

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    Snow

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    Snow Likely

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    Chance Snow

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    Chance Snow

Today 18 Dec Okanogan Highlands

Snow. Snow may be heavy at Times in the afternoon. Snow accumulation of 2 to 4 Inches Valleys and 2 to 5 Inches in the Mountains. Highs in the lower 30s to lower 40s. South wind 5 to 15 Mph with Gusts up to 25 Mph, except south 5 to 15 Mph with Gusts up to 35 Mph in the Mountains. Chance of precipitation near 100 percent.

Tonight 18 Dec Okanogan Highlands

Cloudy with rain and mountain snow in the Evening, then partly cloudy with a chance of rain and mountain snow overnight. Mountain snow accumulation up to 1 inch. Snow level 4500 feet in the evening. Lows in the mid 20s to lower 30s. Breezy. Southwest wind 10 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 90 percent.

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Mary Ann Lake Temperature Statistics

December Temperature

Omak Airport (37.9 miles)

  • Lowest 1 December, 2025

    28.9 °F

  • Average December

    38.7 °F

  • Highest 9 December, 2025

    51.1 °F

Climate (2020–Present)

Omak Airport (37.9 miles)

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  • Average Low 2020–2025

    40.8 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    62.9 °F
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