A dense fog advisory is in effect through 10am Saturday for portions of northern Pinal and southeast Maricopa County, as well as parts of the lower Colorado River valley. Visibilities will locally fall below 1/4 mile creating difficult travel conditions. Locations along I-10 from Casa Grande through Eloy, in addition to Blythe and Imperial in southeast California may experience the worst conditions.
Mostly dry conditions and slightly above normal temperatures will carry us through the weekend into early next week, followed by a return of rain chances and cooler temperatures heading into the middle of next week.
Phoenix and El Centro both finished with well above average high, average low, and mean temperatures for December 2025, this resulted in both climate sites having the hottest December on record in 2025. As for rainfall for the month, Phoenix finished with only 0.03", which is well below normal and El Centro finished with 0.55", which is 0.21" above normal.
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