Southwest U.S. Long Range Weather Forecast for August 24th to September 23rd
Includes Arizona, California, Nevada, Utah
August 2025
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24Fair skies, then becoming unsettled.
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28Fair weather.
September 2025
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1Fair weather for Labor Day activities.
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4Showers, windy AZ.
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8Mixed clouds and sun; a few showers, possible thunderstorms.
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12Clearing, pleasant.
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16Threatening skies; few showers.
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20Fair weather, then scattered showers, few thunderstorms; windy, few showers CA, NV.
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24Thunderstorms UT, then clearing. Fair weather elsewhere.
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