"The peak of the heat is today, we are still plenty hot for the next several days," Paul Deanno, KCALNews meteorologist said as triple digits are forecasted for much of the Inland Empire Wednesday.

The National Weather Service forecast for the greater San Francisco Bay Area for Wednesday calls for hot conditions with clear and sunny skies. Daytime highs will be mostly in the 80s to 90s on the coast,

An excessive heat warning will be in effect through 8 p.m. Thursday for areas of San Diego County east of Interstate 15 as unseasonably warm weather spreads across most of California, the National Weather Service said.