A harmful and unprecedented warmth wave is hitting the West, with temperatures reaching 25-to-40 levels above regular throughout the area.
A dozen cities recorded all-time file March temperatures on Wednesday, together with 105 levels in Palm Springs, California; 102 levels in Phoenix, Arizona; and 94 levels in Las Vegas.
Seashore goers play seashore volleyball at Manhattan Seashore in Los Angeles, California, March 17, 2026.
Chris Torres/EPA/Shutterstock
Warmth alerts are in place for 40 million People within the West by way of the weekend.
With temperatures anticipated to succeed in between 96 and 109 levels for a widespread space over a number of days — and through a time of excessive tourism to the Desert Southwest — the warmth could flip lethal.
The warmth will unfold east by way of the week. By Friday, the file highs could attain Texas, Nebraska and Oklahoma, and by Sunday, every day file highs might stretch from Los Angeles to Memphis, Tennessee.

Warmth within the west.
ABC Information
The warmth and dry climate might additionally enhance the danger of wildfires. Pink flag warnings are in place for components of Wyoming, South Dakota and Nebraska, the place wind gusts might attain 30 to 45 mph.
Excessive warmth is taken into account the deadliest weather-related hazard within the U.S., in accordance with the Fifth Nationwide Local weather Evaluation. About 2,000 People die every year on common from excessive warmth, in accordance with the Facilities for Illness Management and Prevention.
Click here for what to learn about staying protected within the warmth.

Folks go to Ocean Seashore in San Francisco, March 17, 2026.
Jeff Chiu/AP
