Alkali Flat Weather Forecast

    • 53
    • 72

    Rain Showers

    • 45
    • 63

    Rain Showers

    • 43
    • 61

    Partly Sunny

    • 44
    • 64

    Partly Sunny

    • 46
    • 64

    Mostly Cloudy

    • 46
    • 64

    Partly Sunny

Today 24 Sep Okanogan Valley

Mostly cloudy. Highs in the upper 60s to mid 70s.

Tonight 24 Sep Okanogan Valley

Mostly cloudy. A chance of rain Showers overnight. Lows in the lower to mid 50s. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alkali Flat Temperature Statistics

September Temperature

Omak Airport (37.3 miles)

  • Lowest 14 September, 2026

    44.7 °F

  • Average September

    64.4 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Omak Airport (37.3 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
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