National Weather Service United States Department of Commerce
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Last Map Update: Sun, Dec 21, 2025 at 12:24:44 pm MST

Well above normal temperatures will continue through the start of the week as high pressure and partly cloudy skies linger over the region. Daily record highs appear likely for Phoenix today and Monday.
A weather system approaching the region during the middle of the week will bring increased moisture and rainfall chances into the Desert Southwest. Moisture levels in the area may increase up to 2-3 times higher than normal by midweek and persist through at least the end of the week. This will likely result in regional travel impacts around the holiday, particularly for those heading towards southern California.

 

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