Get ready for a weather rollercoaster! From sunny Los Angeles to snowy Flagstaff and stormy Arizona, catch all the latest updates with Amy Freeze.

Welcome to your detailed guide on the Southwest’s weather dynamics this week, curated by meteorologist Amy Freeze. From a gentle evening in Los Angeles with temperatures cooling down to a cold night in Flagstaff, we have all your areas covered. Learn about temperature trends, potential storms, and how to stay safe under different weather conditions. Don’t miss out on the vital changes expected in the coming days, including extreme UV indexes and significant temperature swings!
In the Southwest, the radar shows a band of rain sweeping across Arizona, with Phoenix experiencing moderate showers, moving northeast towards Flagstaff. Snow is expected in the elevated areas around Flagstaff as temperatures drop. Las Vegas remains dry under mostly clear skies. In California, Redding and Fresno are clear, while cloud cover is seen developing along the Sierra Nevada. Ely in Nevada is also dry, with weather conditions remaining stable and cool.
Temperatures this evening in Los Angeles start at 67 degrees at 9 PM, with clear skies and a light southwest wind at 6 miles per hour. By 11 PM, expect temperatures to dip to 62 degrees with calm conditions continuing. As the clock strikes 1 AM, temperatures ease to 60 degrees under partly cloudy skies, with the breeze shifting slightly to the southeast at 3 miles per hour.
Tonight, the Southwest is bracing for some chilly air with key cities seeing significant temperature drops. Los Angeles will cool down to a low of 59 degrees, while San Diego dips to 57 degrees. Expect a noticeable chill in Las Vegas, dropping to 70 degrees, and Flagstaff will be quite cold at 38 degrees. Redding will see a low of 59, with Reno experiencing cooler conditions at 49 degrees. Bakersfield ends the night at 63 degrees, rounding out a brisk outlook for the region.
High temperatures in the Southwest will rise significantly above average tomorrow, driven by a strong surge of warm air. In Phoenix, expect a high of 95 degrees, while Las Vegas will see temperatures reach 89 degrees. Bakersfield and Fresno are set to soar to 93 and 92 degrees, respectively, providing a warm day in California’s Central Valley. Coastal areas like Los Angeles will still be mild, hitting 77 degrees, and San Diego will warm up to 73. San Francisco remains cooler at 67, contrasting sharply with the inland warmth.
A surge of moisture brings showers and thunderstorms to Arizona and New Mexico on Wednesday. Expect some areas to experience heavy downpours and potential flash flooding, especially in higher elevations. Cooler air follows the precipitation, with temperatures slightly below average heading into Thursday. In Southern California, isolated showers may develop, but no severe weather is anticipated. By Thursday evening, skies begin to clear, paving the way for a dry and sunny Friday across much of the region.
The UV index in Los Angeles will reach a very high level of 9 on Wednesday, with potential sunburn occurring in just 15 minutes under direct sunlight. On Thursday, the index climbs to an extreme level of 10, reducing the burn time to only 12 minutes.
For the 7-day forecast in Los Angeles: Wednesday: Mostly clear skies with a high of 66 degrees and a low of 56 degrees. Thursday: Partly cloudy with temperatures reaching a high of 69 degrees and a low of 58 degrees. Friday: Mostly clear and warmer, with the temperature peaking at 77 degrees and a low of 64 degrees. Saturday: Partly cloudy and warm with a high of 82 degrees and a low of 62 degrees. Sunday: Temperatures cool slightly under partly cloudy skies, with a high of 75 degrees and a low of 58 degrees. Monday: Continued partly cloudy conditions with highs reaching 66 degrees and a low of 56 degrees. Tuesday: Clear skies and a bit cooler, with a high of 64 degrees and a low of 55 degrees.