Rain returns tonight, snow possible next week in a chilly pattern [Video]

It’s a frosty start to the day, with areas of fog, especially in the valleys. Along the coast, it’s a much milder morning, with temperatures nearly 15 degrees warmer than yesterday. In the metro and valley regions, only a slight warming is noticeable.

The high-pressure system that has kept us dry is finally breaking down. A wet weather system—the strongest since early January—arrives tonight and continues through Friday.

By Saturday, a cold upper-level trough dips out of British Columbia and lingers off the Pacific Northwest coastline through Wednesday. This pattern brings waves of showers for five straight days. Over the weekend, snow levels will mostly hover around 1,500 feet, but colder air arriving Sunday night through Wednesday could bring snow down to sea level during the coldest parts of each day.

Daytime temperatures will climb above freezing, but lows will drop to or below freezing. With the “showers and sunbreaks” …