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WHAT TO EXPECT: Winter storm brings Arizona rain, snow for Christmas

Southwest Weather
Posted at 10:34 AM, Dec 22, 2021

PHOENIX — It's a soggy Christmas Eve!

A storm system moved into the state Thursday night and is expected to last through Christmas Day.

The storm will position itself to our west, bringing Valley rain chances Friday, Saturday, and even Sunday.

The best chance for rain and snowfall begins early Christmas Eve and winds down Christmas morning. Lingering showers are possible through the weekend, too.

Valley rainfall will likely be moderate to heavy at times, with roughly around half an inch to an inch of rainfall possible.

With significant rainfall impacting the state, an ABC15 Weather Action Day is in effect on Christmas Eve.

This Christmas Eve could be record-setting, too! The wettest Christmas Eve on record was back in 1944, when 0.93" of rain fell in Phoenix.

The same storm will also bring a chance for snow to the high country through the weekend, as snow levels drop to around 6,000 feet. We could pick up one to two inches of snow in areas above 6,000 feet, including Flagstaff.

Travel may become hazardous across our higher elevation locations, especially on Christmas Eve.

Areas above 7,000 feet could pick up three to eight inches of snow, including the San Francisco Peaks, Kaibab Plateau, and White Mountains, prompting a Winter Storm Warning and Winter Weather Advisory through Christmas morning for some of these areas.

Arizona Snowbowl in Flagstaff and Sunrise Park Resort in Greer may pick up FEET of snow before it's all said and done.