Excessive Heat Warning continues Thursday as San Diegans face another day of sweltering conditions
With searing heat driving up air-conditioner use across California, the manager of the state's power grid has called for another Flex Alert Thursday, urging residents to conserve as much electricity as possible from 4 to 9 p.m.
The Excessive Heat Warning is still in effect until 8 p.m. Monday. Thursday and Friday may be slightly cooler. But the big ridge of high-pressure will sweep in more humidity causing uncomfortable conditions. This Saturday, Sunday and Monday will be excessively hot.
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