The heat is on in SoCal

A cyclist walks on Santa Fe Dam as sun blazes down pushing temperatures to 75 degrees at 7am in Irwindale Thursday morning.

(Irfan Khan / Los Angeles Times)

Aug. 27, 2015 8:07 AM PT

Eddie Villegas takes a breather after a vigorous run on this sweltering day at the Rose Bowl in Pasadena.

(Lawrence K. Ho / Los Angeles Times)

Kristian Bayle playing his guitar in the shade on this sweltering day at the Rose Bowl in Pasadena, where a heat wave expected to last through into the weekend.

(Lawrence K. Ho / Los Angeles Times)

Cole Biegenzahn, 7, enjoys his ice cream by the Kid Space Museum on this sweltering day in Pasadena.

(Lawrence K. Ho / Los Angeles Times)

Nathan Gomez, 2, right, learns to mimic his older brother, Matthew Gomez, 9, left, as they use their heads to fling water in the air while playing at the water fountain at Grand Park in Los Angeles.

(Marcus Yam / Los Angeles Times)