Sacramento, California – A dangerous stretch of extreme heat is intensifying across the western United States, with temperatures running 10 to 15 degrees above normal through at least Thursday, July 10. Triple-digit highs will dominate much of California, Nevada, Utah, and Arizona, raising risks for heat-related illnesses and wildfire starts.
According to the National Weather Service’s Weather Prediction Center, widespread highs from 100°F to 115°F are forecast across interior California and the Desert Southwest, with Death Valley nearing 121°F midweek. The Central Valley, including cities like Fresno and Sacramento, could see multiple consecutive days above 105°F.
In Nevada, Las Vegas may hit 112°F by Wednesday, while Salt Lake City, Utah, will climb into the upper 90s with limited overnight cooling. Phoenix remains a hotspot, pushing 115°F daily, prompting local officials to activate heat safety outreach efforts.
Residents are urged to limit outdoor activity, stay hydrated, and check on vulnerable neighbors. Energy providers across the region are bracing for increased demand, while fire agencies warn that dry fuels and hot, gusty winds could trigger new wildfires.
The heat dome is expected to persist through Thursday before modest cooling returns by the weekend. Additional advisories or Excessive Heat Warnings may be issued as conditions evolve.
