This weekend’s forecast in the Southwest brings heat, clear skies, and storm alerts. Find out how the temperatures will influence your plans.

The Southwest is simmering this summer! From sizzling temperatures in Phoenix and Las Vegas to cooler breezes in San Francisco, find out what this means for your outdoor activities and safety measures. Don’t miss the detailed forecast for Salt Lake City with potential evening storms and UV safety tips!
A powerful storm system is making its mark on the Southwest today. In California, Redding is experiencing rain showers, while Reno faces a mix of rain and snow. Ely and Flagstaff are under cloudy conditions. San Francisco, Los Angeles, and San Diego enjoy clearer skies, but residents should stay alert as the weather shifts.
This evening in Salt Lake City, temperatures begin at a warm 91 degrees at 9 PM with a northwest breeze around 8 mph. By 11 PM, look for clear skies and temperatures cooling to 85 degrees as winds shift to come from the east-southeast at 7 mph. By 1 AM, expect clear conditions to continue, with temperatures further dropping to 80 degrees while a mild southeast breeze at 8 mph persists.
Tonight, Las Vegas will see a low of 61 degrees. Phoenix is expected to drop to 84, a significant increase from recent evenings. Flagstaff will chill down to 54 degrees, while temperatures in San Francisco will fall to 56. Bakersfield rounds out the forecast with a mild low of 72.
Tomorrow, Phoenix is set to sizzle with a high of 107 degrees, well above the seasonal average. Las Vegas will also experience a hot day, reaching 104 degrees, while Fresno and Bakersfield are expected to hit 101 and 100 degrees, respectively. Coastal warmer temperatures are anticipated for Los Angeles at 79 degrees and San Diego at 75 degrees, both slightly below the usual for this time of year. San Francisco will be cooler at 63 degrees, reflecting a significant coastal influence.
A high-pressure system maintains clear and sunny weather across much of the Desert Southwest through tomorrow. Over areas like Arizona and New Mexico, temperatures will reach into the upper 90s, offering prime sunshine but be sure to stay hydrated! In California, particularly from Los Angeles to San Diego, anticipate the sea breeze providing slight relief with temperatures hovering in the mid-80s. Watch for evening monsoonal storm development in the higher elevations of New Mexico, possibly leading to gusty winds and brief downpours.
The UV index in Salt Lake City is very high this Saturday and Sunday, clocking in at 9. This level indicates a burn time of just 15 minutes in direct sunlight—so it’s crucial to limit exposure during peak hours!
Saturday: Clear skies with a warm high of 93 degrees and a low of 69 degrees. Sunday: Partly cloudy with temperatures rising to 95 degrees, cooling to 73 degrees at night. Monday: More clouds roll in, partly cloudy with highs of 93 degrees and nighttime lows around 71 degrees. Tuesday: Expect mostly clear conditions with a high of 91 degrees and a dip to 68 degrees. Wednesday: Mostly clear throughout the day with a high reaching 92 degrees and a low of 67 degrees. Thursday: Another mostly clear day with temperatures peaking at 93 degrees, cooling down to 67 degrees at night. Friday: Wrap up the week with mostly clear skies, a high of 94 degrees, and a nighttime low of 67 degrees.