Northwest U.S. Long Range Weather Forecast for September 15th to October 14th
Includes Idaho, Oregon, Washington
September 2025
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12Clearing, pleasant weather.
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16Turning unsettled, with showers for WA, OR.
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20Fair weather, then scattered showers.
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24More scattered showers.
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28Fair skies, quite cool.
October 2025
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1Light rain, mixed with snow over mountains of ID.
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4Fair, then stormy.
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8Fair, cool.
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12MIlder, then showers.
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