Catch the latest updates on the weather in Salt Lake City and the Southwest. Clear skies and a range of temperatures from scorching highs to cooler evenings await you.

This week in Salt Lake City and across the Southwest, the weather is taking a turn towards clear and warm conditions. Expect daytime temperatures to soar into the high 90s, with significant contrasts along the coast where cooler breezes will provide some relief. This update includes important UV index warnings, detailed daily forecasts, and expert insights for both casual listeners and weather enthusiasts. Dive into our comprehensive guide at your leisure, and don’t forget to check the 7-day outlook to stay prepared.
A line of rain extends from south of Redding down through San Francisco and into Fresno, providing much-needed moisture for these areas. Further south, Bakersfield is experiencing lighter showers moving through the region. Los Angeles and San Diego are enjoying clear skies, offering ideal conditions for outdoor activities. Las Vegas and Phoenix also remain dry under clear conditions, while Flagstaff has a mix of light precipitation scattered over the area.
Expect clear skies this evening in Salt Lake City. At 9 PM, temperatures will be a warm 87 degrees with a northwest breeze at 8 miles per hour. By 11 PM, the temperature drops slightly to 82 degrees with winds shifting to the north at 5 miles per hour. By 1 AM, the temperature cools to 76 degrees under clear skies with an east-southeast wind at 6 miles per hour.
Tonight in the Southwest, low temperatures will vary widely. Las Vegas will cool down to 62 degrees, while Phoenix remains warm at 88 degrees. Flagstaff is expected to drop to a brisk 56 degrees, and Bakersfield will see a low of 68. In contrast, San Francisco will record a cooler 57 degrees.
Tomorrow in Phoenix, expect scorching temperatures reaching 111 degrees, which is well above average. Las Vegas is also on the hotter side with a high of 107 degrees, influenced by a persistent heat dome. Bakersfield will see a high of 101 degrees, while Fresno is slightly cooler at 99 degrees. Over in Los Angeles, afternoon highs will be a more manageable 79 degrees. San Francisco remains mild with temperatures topping out at 65 degrees, showcasing the coastal influence in contrast to the interior heat.
A high-pressure system dominates the weather pattern over the Southwest, leading to mostly clear and sunny skies. Temperatures are trending upwards, with highs reaching into the upper 90s in the desert areas by tomorrow afternoon. Along the California coast, expect morning clouds followed by afternoon clearing, providing a cool reprieve compared to inland areas. While the conditions remain mostly dry, slight chances of isolated showers may affect parts of the southern Sierra Nevada.
For Salt Lake City today and tomorrow, the UV index is expected to be very high at 9, indicating that sunburn can occur in just 15 minutes of direct exposure.
For the Salt Lake City 7-day outlook: Monday: Clear skies with a warm high of 96 degrees and a low of 69 degrees. Tuesday: Mostly clear as temperatures climb to 100 degrees, cooling to 73 degrees at night. Wednesday: Partly cloudy with a daytime high reaching 99 degrees, dropping to 69 degrees overnight. Thursday: The skies clear again with a high of 91 degrees and a low of 66 degrees. Friday: Expect sunny conditions with a high temperature of 90 degrees and overnight low of 66 degrees. Saturday: Clear weather continues, warming up to 94 degrees during the day and cooling to 68 degrees at night. Sunday: Ending the week with clear skies and a high of 97 degrees, with the low around 69 degrees.