Tonight in Salt Lake City: enjoy partly cloudy skies, a gentle evening perfect for outdoor fun. Meanwhile, from Las Vegas to Phoenix, the Southwest heats up with temperatures soaring above the century mark!

This comprehensive update covers the fluctuating weather across the Southwest. From the cooling evening breezes in Salt Lake City to the scorching daytime highs in Phoenix and Las Vegas, each city presents its atmospheric narrative. Details on impending showers in San Francisco, to the clear skies over Cedar City, provide a compelling story of contrast and adaptation for residents and travelers alike.
A broad swath of rain is sweeping across San Francisco and Fresno, bringing welcomed showers to the area. Farther north, Redding is under clear skies, creating a striking contrast with the cloudier conditions to the south. Las Vegas and Phoenix remain dry at this time, while Flagstaff is catching some light rain, cooling down the surrounding area. In Ely and Cedar City, expect mostly clear skies, with winds breezing through the desert landscape.
Temperatures in Salt Lake City this evening begin at 93 degrees at 9 PM and gradually cool to 84 degrees by 1 AM. Winds from the east-southeast are gentle, around 11 miles per hour earlier in the evening, decreasing slightly to 8 miles per hour by 1 AM. Skies remain partly cloudy throughout the evening, providing a comfortable night for outdoor activities.
Tonight, low temperatures in the Southwest will see notable drops across the region. Las Vegas will sink to a chilly 56 degrees, while Flagstaff will experience a low of 47 degrees, bringing in some colder air. The coast will remain milder with Los Angeles and San Diego both expecting lows of 64 degrees. Phoenix will stay warm at 90 degrees, but that’s still a significant contrast to the cooler northern areas.
Tomorrow in Phoenix, expect a scorching high of 114 degrees, significantly above average for this time of year. Las Vegas will also be feeling the heat, with temperatures reaching 111 degrees. Further west, Bakersfield will hit 102 degrees, while Fresno matches that high at 102 degrees. Meanwhile, San Diego will enjoy a relatively cooler day with a high of 83 degrees. In San Francisco, temperatures are much milder at 70 degrees, standing in stark contrast to the surrounding heat.
Expect a warm and sunny day in the desert regions of the Southwest tomorrow, with high temperatures reaching into the 90s. In contrast, Southern California will experience increasing cloud cover with afternoon showers in the San Bernardino area, potentially impacting travel with slick roads. The central valleys may see scattered rain, leading to cooler conditions. A weak cold front is set to move through western California, keeping temperatures mild along the coast. Severe weather risks are low, but stay alert for sudden weather changes in these areas.
For Salt Lake City, the UV index on Wednesday is very high at 9, with a burn time of just 15 minutes in direct sunlight. This level remains the same for Thursday, so it’s crucial to stay protected by applying sunscreen and wearing hats and sunglasses if you’ll be outdoors.
Starting with today’s Salt Lake City forecast: Wednesday: Partly cloudy with a high of 99 degrees and a low of 69 degrees. Thursday: Clear skies with temperatures peaking at 90 degrees and dipping to 65 degrees at night. Friday: Enjoy the sunshine with highs reaching 92 degrees and nighttime lows of 66. Saturday: Another clear day, with the mercury rising to 94 degrees and a low near 68. Sunday: Mostly clear skies accompany a high of 97 degrees, with the low around 71 degrees. Monday: Expect mostly clear conditions again, hitting a high of 98 degrees and a low of 71 degrees. Tuesday: Partly cloudy, with temperatures hovering at a high of 98 degrees and a low of 70 degrees.