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Two Pacific Storms to Impact the Western U.S. This Week

Two Pacific storms will impact the western U.S. this week with low elevation rain, mountain snow, and gusty winds. The second storm arriving Tuesday night into Wednesday may bring heavy to excessive rainfall and possible flooding for coastal central and southern California, while heavy mountain snow is possible across the Sierra Nevada mountains. Read More >

Learn about and explore a variety of historical and record-breaking weather and environmental events that have impacted the people, canyons, deserts, and mountains of northern Arizona. Each event summary includes a detailed description, meteorological figures (such as radar and satellite data), and pictures captured by the public or NWS employees. Click on each year to discover more about significant weather events in northern Arizona.

Media is free to use this event summary information. Please acknowledge the National Weather Service as the source of any information accessed from the site unless otherwise noted.