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Double storms to impact Arizona: The state prepares for heavy snow and rain, forecast estimates
According to the Arizona Weatherman, two weather systems will move through Arizona on Tuesday through Friday, 11-14 Mar, 2025. The initial system will move in on Tuesday afternoon and impact Yuma, La Paz, and Maricopa counties the most, and then spreading up on the Rim. The second system will move in on Thursday morning from the west and move through the state eastward through Friday. This event will bring in more rain and snow showers. Even some isolated thunderstorms are possible on Thursday with this system. These two systems will bring heavy snow loads up on the Mogollon Rim and heavy rain to the southern part of the state.
This forecast will look at the total precipitation accumulation from Tuesday through Friday. The models have been showing a reasonable degree of consistency with these storms. Therefore, the precipitation estimates are looking solid. I expect the snow load on the Rim as follows: Flagstaff 8-12 inches, Prescott a rain/snow mix with 2-5 inches, Payson a rain/snow mix with 4-6 inches, Show Low 3-6 inches of snow, and Grand Canyon with 3-5 inches of snow.
In the southern part of the state, rain will be the big issue. Phoenix is looking like the bullseye for these systems with .50” to 1.25 inch of rain potential, Kingman .40” to .80” of rain, Tucson with .25” to .75” of rain, Benson and Sierra Vista looking for .10” to .40” of rain. However, snow may also impact the region above 4,000 feet in Cochise and Pima Counties. Mt Lemmon and other ranges will get snow above 4,000 feet, particularly Thursday into Friday morning.
The wind from these two systems will also be strong as they push through the state. The first system is looking at 30-40 mph gusts on Tuesday. Then, on Thursday, the gusts will get even stronger, reaching 35-50 mph. The driving on I-40 and I-17 will be dangerous, especially as the heavier snow comes down. Coupled with strong wind, it may lead to whiteout conditions and dangerous driving conditions. Please exercise caution when traveling in the state, in particular northern Arizona, during these systems. Additionally, rapid snow accumulation will lead to potentially getting stuck in the snow. Please use caution and be safe!
Source: The Arizona Weatherman, a seasoned meteorologist with over 25 years of experience in aviation meteorology with the United States Air Force, government contracting, and private practice, provides this forecast. His experience training Special Operations Weather Technicians (SOWT) in weather techniques and his state certification as a STEM teacher further underscore his expertise. His weather predictions are trustworthy.
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