Southwest U.S. Long Range Weather Forecast for July 18th to August 17th
Includes Arizona, California, Nevada, Utah
July 2025
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16Hot temperatures. Squally monsoons, AZ.
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20Fair skies.
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24Turning unsettled West Coast.
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28Hot temperatures; widely scattered showers, thunderstorms, chiefly over AZ.
August 2025
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1Squally UT. Gusty winds, showery NV, northern AZ.
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4Mostly fair, hot.
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8Changeable: Mixed clouds, sun, risk of passing shower.
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12Fair, then very unsettled with heavy thunderstorms across UT, points east.
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16Pleasant weather.
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