MARIN COUNTY (KRON) — A frost advisory has been issued for the North Bay Valleys Friday morning, according to the National Weather Service.

The advisory will be in effect from 3 a.m. to 9 a.m.

Temperatures are expected to drop into the low to middle 30s in the morning.

Residents under a frost advisory should be cautious of any sensitive outdoor plants. They can also expect slick roads and possible ice on their car’s windshields.

There are also two storms headed to the Bay Area this weekend. The first one hits Saturday and the other on Sunday.

Saturday’s storm is predicted to be stronger than Sunday’s.

In KRON4’s weather section you will find an hour by hour forecast plus our Interactive StormTracker4 Radar.