Join Amy Freeze as she explores the varied climate of the Southwest from serene clear nights in Phoenix to chilly snow in Sierra Nevada. Catch the full story of how weather continues to surprise us!

Greetings, weather watchers! Amy Freeze here, bringing you the detailed Southwest forecast. Tonight, Phoenix boasts clear skies perfect for stargazing, while snowy surprises wait in the Sierra Nevadas. With a storm on the horizon, our calm spring days might just take a twist. Dive into our comprehensive analysis on what these changes mean for your week ahead, and stay prepared with expert tips only on our blog at https://amyfreeze.ai/
On the Regional Radar, light showers are visible moving offshore near San Diego and along the central California coastline towards San Francisco. Meanwhile, the Sierra Nevada mountains, including areas near Reno, are experiencing some scattered snow. Ely is seeing intensified snowfall and should prepare for continuous snow conditions. Areas like Los Angeles and Las Vegas remain dry and clear.
This evening in Phoenix, temperatures will remain warm, starting at 82 degrees at 9 PM and gradually cooling to 75 degrees by 1 AM. Winds are light, coming from the west-northwest at 6 miles per hour initially and tapering off to 4 miles per hour by midnight. Expect clear skies throughout the night, providing an excellent opportunity for stargazing.
Tonight in the Southwest, we’re seeing some significant drops in temperatures. Flagstaff will dip to 34 degrees, a chilly reminder of the spring air. Las Vegas holds steady at 61 but will feel cooler overnight. Over in Ely, expect a bitter low of 28, marking the coldest spot in the region.
The high temperatures for the Southwest tomorrow are expected to be quite warm. Phoenix will lead the charge with a sizzling high of 91 degrees, significantly above average for this time of year. Las Vegas will reach a pleasant 86 degrees, while Bakersfield warms up to 88 degrees. Coastal areas like San Diego and Los Angeles will be milder at 70 degrees. San Francisco will stay cooler at 68 degrees, influenced by marine layers along the coast.
A low-pressure system is set to move through the Southwest tomorrow, bringing widespread rain across Arizona and Southern California, with chances for thunderstorms. Expect cooler temperatures following the passage, dropping by about 5-10 degrees, particularly in the desert areas. Northern Arizona may see localized flooding due to heavy showers from midday through late evening. Winds will pick up in the afternoon, causing potentially hazardous conditions for travel in exposed areas. Skies clear late Wednesday, setting up for a dry and mild end to the week.
The UV index in Phoenix reaches a very high value of 9 both today and Monday, with a burn time of approximately 15 minutes in direct sunlight.
For the Phoenix 7 Day Outlook: Sunday: Mostly clear skies with a warm high of 85 degrees and a low of 62 degrees. Monday: The week starts hot, with clear conditions and temperatures climbing to 91 degrees, cooling to 64 at night. Tuesday: Enjoy a sunny day with a high reaching 92 degrees, while overnight it lowers to 64. Wednesday: Clear skies continue, matching Tuesday’s high of 92 degrees and a slightly warmer low of 65. Thursday: Partly cloudy, but still warm with a high of 91 degrees and a low of 66. Friday: Clear skies return with a daytime high of 91 degrees and a nighttime low of 63. Saturday: Wrapping up the week, it stays clear and warm. Expect a high of 87 degrees with a low of 62.