Trending Now - Heat Wave Warning Issued for Southern California Next Week

WHO:

National Weather Service

Daniel Swain, weather scientist

Bryan Lewis, meteorologist with the National Weather Service in Oxnard

Karen Bass, Mayor of Los Angeles

Chandler Price, meteorologist for the National Weather Service’s office in San Diego

WHAT:

An extreme heat watch was issued for Southern California.

Temperatures could exceed 100 degrees in the San Fernando Valley.

Highs are expected to be 25 to 35 degrees above normal.

Downtown Los Angeles could reach 101 degrees on March 17th.

Glendale may hit 104 degrees, and Santa Monica could reach 91 degrees.

A heat advisory was issued for March 16th from 10 a.m. to 8 p.m.

Beverly Hills is forecasted to be 90 degrees on March 16th, while downtown L.A. could hit 93 degrees.

The March temperature record in downtown Los Angeles was set in 1879 at 99 degrees.

The heat wave is expected to last several days.

WHERE:

Southern California

San Fernando Valley

Downtown Los Angeles

Glendale

Santa Monica

Beverly Hills

San Diego

San Francisco

WHEN:

The extreme heat watch was issued on March 11th, 2026.

The heat wave is expected from March 17th to March 19th, 2026.

The heat advisory is for March 16th, 2026, from 10 a.m. to 8 p.m.

WHY:

The unusual summer-like heat is attributed to weather patterns affecting the U.S. Southwest.

The heat is considered dangerous for vulnerable populations, including babies, young children, and the elderly.

HOW:

The National Weather Service advised staying out of the sun, remaining in air-conditioned rooms, and drinking plenty of fluids.

Exercise and demanding activities should be done in the early morning and evening.

(UPDATED March 15, 2026 11:03 UTC)

An extreme heat watch has been issued for Southern California, with temperatures expected to soar above 100 degrees in the San Fernando Valley and reach 101 degrees in downtown Los Angeles on March 17. The heat advisory will be in effect on March 16 from 10 a.m. to 8 p.m., with highs forecasted at 90 degrees in Beverly Hills and 104 degrees in Glendale, making this heat wave particularly dangerous for vulnerable populations. The National Weather Service recommends staying out of the sun, remaining in air-conditioned spaces, and staying hydrated during this unusual summer-like heat, which is expected to last several days.