PHOENIX — High pressure is building in and temperatures will gradually trend up as we get ready to wrap up the year.
Valley highs will remain right near normal for another day, reaching the mid-60s Wednesday.
Overnight lows will be chilly, dropping into the 30s to 40s each day this week.
With stagnant air in place, expect an uptick in smoke concentrations across the Valley, impacting those with respiratory issues.
Therefore, the Maricopa County Air Quality Department declared a “No Burn Day” in Maricopa County.
Wood burning in residential fireplaces, chimeneas, outdoor fire pits, and similar outdoor fires (including hotels and restaurants and individuals/businesses that have permits for open burning) is prohibited in Maricopa County.
Also, employees and contractors of government entities are prohibited from operating leaf blowers. Residents are encouraged to avoid using leaf blowers during pollution advisories.
Off-road vehicle use should also be avoided.
High clouds will move through at times, but we're staying dry through the end of the week.
Valley highs will eventually reach the low 70s by Friday, but the 70s will be short-lived.
A quick-moving disturbance will move through our state by the weekend, dropping Valley highs back into the upper 60s for the last day of the year.
This disturbance will also bring a slight chance of rain showers to the Valley early Sunday morning. The impacts look minimal though, and it looks like it will be dry for those New Year's Eve celebrations Sunday night.
We could see some light snow showers along the Mogollon Rim on Sunday and New Year's Day, but the amounts also look minimal at this point.
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2023 Rainfall totals:
Sky Harbor Official Rainfall: 4.21" (-2.88" from average)
Valley Average (Phoenix Rainfall Index): 5.45"
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Daily rainfall reports from all across the Valley can be found here.
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PHOENIX IS GETTING DRIER - LOWER RAINFALL AVERAGES NOW
Average Monsoon Rainfall in Phoenix (1981-2010): 2.71" of rain
NEW Average Monsoon Rainfall in Phoenix (1991-2020): 2.43" of rain
Average Yearly Rainfall in Phoenix (1981-2010): 8:03" of rain
NEW Average Yearly Rainfall in Phoenix (1991-2020): 7.22" of rain
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