Extreme heat warnings from Wednesday to Friday, the National Weather Service|@NWS|X

This week, parts of California, Nevada and Arizona will face the first heat wave of the season, with temperatures expected to reach triple digits. The National Weather Service (NWS) issued excessive heat warnings for Wednesday to Friday.

Additionally, fire crews in Arizona are on alert, with restrictions in place.

Authorities are emphasizing hydration and frequent breaks for outdoor workers and extending cooling station hours to protect vulnerable populations.

The US Border Patrol warned migrants of the severe risks of crossing in extreme heat after four migrants died from heat-related causes in southeast New Mexico last weekend.