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Southwest U.S.

Southwest U.S. Long Range Weather Forecast for August 15th to September 14th

Includes Arizona, California, Nevada, Utah

August 2026
  • 12th - 15th
    Warm, steady rain in AZ.
  • 16th - 19th
    Hot, dry, thunderstorms possible in NV.
  • 20th - 23rd
    Warm, fair.
  • 24th - 27th
    Warm, sunny, dry in CA.
  • 28th - 31st
    Unsettled, heavy rain in AZ.
September 2026
  • 1st - 3rd
    Hot with locally heavy showers.
  • 4th - 7th
    Warm, clear skies for the Labor Day holiday.
  • 8th - 11th
    Very warm conditions persist, some rain in CA.
  • 12th - 15th
    Mostly fair, rain in AZ.

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