Interactive NWS Alert

Radar valid at 611 pm PST, Dec 28th 2025

CAZ016>019-067-291700-
/O.NEW.KSTO.FR.Y.0001.251229T0900Z-251229T1700Z/
Central Sacramento Valley-Southern Sacramento Valley-Carquinez
Strait and Delta-Northern San Joaquin Valley-Motherlode-
Including the cities of Marysville/Yuba City, Sacramento,
Fairfield/Suisun, Stockton, Oroville, Chico, Modesto, Jackson,
and Grass Valley
1111 AM PST Sun Dec 28 2025

...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM PST MONDAY...

* WHAT...Temperatures as low as 33 to 36 degrees will result in
frost formation.

* WHERE...Elevations below 2,000 feet in the Motherlode, Carquinez
Strait and Delta, Central and Southern Sacramento Valley, and
Northern San Joaquin Valley.

* WHEN...From 1 AM to 9 AM PST Monday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...Frost formation may be inhibited by northerly
flow along and west of Interstate 5, or in areas where fog forms
early on in the night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.