First alarm day for winter storm impacts begin in Arizona today

On January 28, 2025By Littum

Phoenix (AZ family) – An unresolved weather pattern begins today in Arizona as a winter storm begins to move from the west. Expect cooler temperatures along with rain and snow chances from today and continue until Wednesday.

Today is a first alarm day in the valley with cloudy and cool conditions and an afternoon height of only 62 degrees. The possibilities of rain are close to 40 % for today, with slight rainfall most likely late tonight.

The possibilities of rain are close to 30 % tomorrow in the valley with cloudy and cool conditions in the low 60s again expected. Wednesday will be another day for the first alarm weather as rain the chances rise.

Low pressure is currently off the coast of California will slowly move towards Arizona over the next few days. As the middle of the low pressure moves through the state on Wednesday, the chances of rain and snow are greatest. Look for a 60 % chance of rain on Wednesday in the valley and high at only 61 degrees.

A announcement of winter weather is in force for the high country in northern Arizona today from 1 p.m. 8am to midnight. Expect the highest snow sum west of Interstate 17. Williams could see 6 to 8 inches of snow, while 2 to 3 inches are possible in Flagstaff. Prescott could also pick up 1 or 2 inches today.

Unstable weather continues all over the state until Wednesday, before the high pressure returns and brings warmer and drier weather to the weekend.

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