Extreme Heat Warnings Issued Across Western United States as Record-Breaking Heatwave Peaks

A dangerous and record-breaking heatwave is peaking across the Desert Southwest and Intermountain West through August 8-9, with Extreme Heat Warnings in effect for parts of Arizona, California, Nevada, and Utah. Mojave Desert highs are forecast between 43-49°C (110-120°F), leading to widespread Major to Extreme HeatRisk. Elevated fire weather conditions are also present in Northern California due to high temperatures, low humidity, and winds.