N環球 
California extreme heat warning runs through Oct. 8, valleys up to 107°F
The National Weather Service in Los Angeles issued an Extreme Heat Warning for L.A. and Ventura counties through Thursday evening, with valley highs up to 107°F; Cal/OSHA reminded employers to protect outdoor workers.
Why it matters
Record-breaking heat has hit Southern California in early October: Downtown Los Angeles and Long Beach both reached 103°F (39.4°C) on October 2, breaking daily high-temperature records, while Burbank hit 102°F (38.9°C), tying its record. Extreme heat significantly raises the risk of heat-related illness, especially for older adults, young children, people with chronic illnesses and outdoor workers.
Full report
The National Weather Service Los Angeles/Oxnard office issued an Extreme Heat Warning on the morning of October 2, in effect for the coasts and valleys of Los Angeles and Ventura counties, the Santa Barbara south coast, and inland Orange County through 8 p.m. PDT Thursday, October 8. Forecast highs reach about 90°F (32°C) at the coast and 105°F to 107°F (41°C) in the valleys.
Cal/OSHA issued Advisory Release 2026-79 the same day, reminding employers to provide cool-down areas, rest breaks and drinking water to protect workers. Heat advisories are also in effect for parts of Northern California, with highs up to 103°F in the East Bay and South Bay. The weather service warns that very hot temperatures are likely to continue into the second week of October and the warning may be extended, advising residents to drink plenty of fluids, stay in air-conditioned rooms, stay out of the sun and check on relatives and neighbors.
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