Rain, cold temperatures return to Southern California this weekend

It may be warm and sunny on Thursday but Southern California residents should be ready for falling rain and plummeting temperatures this weekend.

“It does look like Saturday, by the afternoon, we’re going to start seeing rain develop,” KTLA Meteorologist Henry DiCarlo said.

Satellite imagery Thursday morning showed a low-pressure system in the Pacific Ocean stretching longer and holding together a little stronger as it continues to track south.

“This increases the amount of area that could be affected by rain,” Henry said. “Most of the rain is forecast to arrive late Saturday and continue into midday Sunday.”

KTLA's storm tracker on March 21, 2024.predicts rain for Sunday.
KTLA's storm tracker on March 21, 2024.predicts rain for Sunday.

The storm should provide decent rainfall amounts, with up to an inch forecast for the foothill and mountain communities.

A quarter of an inch to a half inch of rain could fall along the coastal and valley regions, Henry said. “It’s not an overly huge storm but big enough.”

Cold temperatures will also hit the region with afternoon highs in the San Fernando Valley dropping from the mid-70s Thursday down to the mid-60s on Saturday.

Afternoon highs for some areas of the Inland Empire may not reach 60 degrees on Saturday.

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Snow levels overnight Saturday into Sunday could drop to between 4,000 and 4,500 feet with snow possible on the 5 Freeway through the Grapevine area, according to the National Weather Service.

The storm is expected to exit the region Sunday evening as sunny and breezy conditions return.

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