NWS Raises California Heat Advisory, Warns of Higher Electricity Demand Through Thursday
The National Weather Service has issued a heat advisory covering much of California's coast and Central Valley, including the Bay Area and Los Angeles, through Wednesday and Thursday.
3 reports on this incident · first at Sep 9, 2026, 1:17 a.m. ET
Earlier reports
Sep 9, 2026, 1:22 a.m. ET
California Heat Advisory: NWS Warns of Higher Electricity Demand Through Thursday
The National Weather Service has issued a Heat Advisory for much of California’s coast and Central Valley, including the Bay Area and Los Angeles, effective from September 9 through September 11. The advisory covers areas including San Francisco, Sacramento, Burbank, and San Diego, according to insurancejournal.com.
The combination of triple-digit temperatures in parts of Northern California, unusually warm overnight temperatures in major population centers, and elevated humidity in Southern California is expected to push electricity demand significantly higher through Thursday, the Weather Service reported. The advisory is in effect from 00:00 on September 9 to 23:59 on September 11.
Sep 9, 2026, 1:17 a.m. ETFirst report
Heat Advisory Issued for Much of California Through Thursday
The National Weather Service has issued a heat advisory for much of California's coast and Central Valley, including the Bay Area and Los Angeles, effective from September 9 through September 11, according to a report by Insurance Journal.
The advisory covers areas including San Francisco, Sacramento, Burbank, and San Diego. The combination of triple-digit temperatures in parts of Northern California, unusually warm overnight temperatures in major population centers, and elevated humidity in Southern California is expected to push electricity demand significantly higher through Thursday, the report said.
The event is still developing, and further updates may follow.
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Sources
- Intense Los Angeles Heat to Send State's Power Demand Soaringinsurancejournal.com
Revision history
- Version 19 Sept 2026, 05:22current
First published.
- Version 19 Sept 2026, 05:17current
First published.
- Version 19 Sept 2026, 05:22current
First published.
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