MOST ACCURATE FORECAST: Goodbye 80s! Cooler air on the way.

Posted at 4:58 AM, Dec 03, 2021
and last updated 2021-12-04 00:07:33-05

PHOENIX — PHOENIX — It's been a warm start to December in the Valley!

We broke a record Wednesday with a high of 85 degrees and we tied the record Thursday with a high of 84 in Phoenix.

Friday was a close one, too. The record is 81 degrees set back in 1940 and we ended up just one degree shy of that.

Temperatures look a bit lower over the weekend as we drop into the upper 70s, but that's still going to put us around 10 degrees above normal for this time of year.

Mornings will stay cool at least, with overnight lows in the 50s.

Next week, we're tracking a storm system moving into the Pacific Northwest that will swing down toward Arizona Monday night.

Temperatures will drop and we could see rain and snow showers across our state.

Here in the Valley, highs will drop into the low 70s and we'll a slight chance of a few showers on Tuesday.

Up north, the snow level will fall to around 6,000 feet and we could see one to two inches of snow along the Kaibab Plateau, some portions of the Mogollon Rim and the White Mountains.

By Thursday night and Friday, another storm system could move in bringing even cooler air and better chances for rain and snow. Stay tuned for details on this one as we get closer!


2021 Rainfall totals:

Sky Harbor Official Rainfall: 5.58" (-0.97" from average)

Valley Average (Phoenix Rainfall Index): 7.16"

Daily rainfall reports from all across the Valley can be found here.


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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