SAN FRANCISCO (KRON) — A freeze warning has been issued for most of the Bay Area on Thursday night, and into Friday morning, according to the National Weather Service.

Some temperatures are expected to fall to the 20s in some areas, mostly in the North Bay. The East and South bays will see temperatures into the lower 30s.

The National Weather Service is warning that freezing temperatures can kill unprotected plants and damage crops.Stay with KRON4 for updates on this weather alert on-air, online, and on the KRON4 app.