Arizona is currently experiencing a severe heat wave, with Glendale recording temperatures of 107°F (42°C) on Thursday, leading to a woman collapsing from heat exhaustion. The Glendale Police Department has issued warnings, and the National Weather Service (NWS) has extended extreme heat warnings across southern Nevada and parts of California. AccuWeather reports that temperatures are about 30 degrees above average, breaking daily records. Phoenix has recorded its earliest 100-degree day, and trails are closed during peak heat hours to prevent heat-related illnesses.