OAKLAND, Calif. - Rain returned to the Bay Area on Monday, with showers scattered in the North Bay and more rainfall expected across the wider Bay Area later in the day.

The Monday morning commute was mostly dry, but weather conditions are expected to deteriorate later, bringing heavier rain into the afternoon and evening.

A strong low pressure system offshore near Oregon and Washington is diving southward, aided by a dip in the polar jet stream, bringing the wet weather to California, according to KTVU Meteorologist Roberta Gonzalez.

The North Bay, including Sonoma and Napa counties , were the first areas to see rain on Monday. Later in the day, the East Bay, Peninsula and the South Bay will see cloudiness, along with heavier rain.

The evening commute will likely be impacted

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