Hawthorne residents spent a day without power as a rare March heat wave broke records across Los Angeles County. Utility crews worked to restore service while county officials urged use of cooling centers.

An early‑season heat wave knocked out power in parts of Westchester on Thursday, leaving residents without AC as crews worked to restore service.

A global analysis of more than 2,300 seawater samples found pharmaceuticals, pesticides and plastic‑derived carbon even hundreds of miles offshore.

Downtown LA is under a Heat Advisory today and an Extreme Heat Warning is expected midweek. Expect highs in the 90s and limited overnight relief.

A cool Sunday morning will give way to a multi‑day heat wave starting Monday, with interior highs near 100°F midweek.

A brief cool spell Saturday gives way to a long heat wave from March 16–20, with inland highs possibly topping 100°F.

Heat Advisory through 8 p.m. tonight; downtown near 93°F and hotter inland. Check cooling centers and avoid midday exertion.

A Heat Advisory covers downtown through Friday with highs near 94°F. Cooling centers and libraries can offer relief; avoid midday exertion.

Patchy morning fog clears fast: highs jump into the 90s Thursday–Friday with a Heat Advisory in effect. Cooling centers and 2‑1‑1 can help if you lack AC.

A new global study finds life‑limiting heat hours have doubled since the 1950s, shaving months off seniors' safe activity time and pushing cities to expand cooling help.

Patchy fog this morning, then a rapid warm‑up midweek with highs in the 90s; inland areas could near 100°F.

Cool mornings and beach fog today give way to a quick midweek warm‑up; inland highs may reach the upper 80s by Thursday.

Heat Advisory 10 a.m.–6 p.m. Sunday as highs approach 90°F. Plan morning activities, hydrate, and expect gusty winds in exposed areas.