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Record-breaking heat continued throughout much of Southern California on Sunday, but it is expected to soon give way to cooler temperatures and possibly rain later this week.

Temperatures Sunday reached 100 degrees in downtown Los Angeles, San Fernando and Burbank, breaking decades-old records in each city. Records were also broken in Long Beach, with a high of 99 degrees, and at UCLA, where the temperature topped out at 97, breaking a 1971 record, according to the National Weather Service.

The heat is expected to steadily drop beginning Monday, but will remain higher than normal, said Scott Sukup, a meteorologist with the weather service.

More relief could arrive mid-week with about a 20% chance of showers Wednesday and Thursday, Sukup said.

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