Cold Weather Advisory, California
ModerateCold conditions with temperatures in the low-to-mid 30s expected. Cold conditions will be hazardous to sensitive populations such as unhoused individuals.
Ended Saturday, February 21, 2026.
- Issued
- Expires
- Updated
Places in this advisory
- San Jose
- Santa Rosa
- Salinas
- Sunnyvale
- Santa Clara
- Concord
- Antioch
- Livermore
- San Ramon
- Milpitas
- Pleasanton
- Napa
- Pittsburg
- Dublin
- Walnut Creek
- Brentwood
- San Rafael
- Cupertino
- Petaluma
- Gilroy
- Novato
- Morgan Hill
- Rohnert Park
- Campbell
- Danville
- Oakley
- Hollister
- Martinez
- Pleasant Hill
- Los Gatos
- San Pablo
- Saratoga
- Windsor
- Lafayette
- Soledad
- Bay Point
- American Canyon
- Orinda
- Pinole
- Moraga
- El Sobrante
- Discovery Bay
- Alamo
- Mill Valley
- Larkspur
- San Anselmo
- Alum Rock
- Healdsburg
- Clayton
- Sonoma
- Corte Madera
- Rodeo
- Blackhawk
- Tiburon
- Cloverdale
- Gonzales
- Larkfield-Wikiup
- Fairfax
- Cotati
- Sebastopol
- San Martin
- Kentfield
- Contra Costa Centre
- East Foothills
- Boyes Hot Springs
- Saranap
- Strawberry
- St. Helena
- Tara Hills
- Calistoga
- Camino Tassajara
- Burbank
- Guerneville
- Vine Hill
- Santa Venetia
- Fetters Hot Springs-Agua Caliente
- Pacheco
- North Richmond
- El Verano
- Cambrian Park
- San Miguel
- Monte Sereno
- Yountville
- Reliez Valley
- Forestville
- Crockett
- Ridgemark
- Montalvin Manor
- Rollingwood
- Aromas
- Sonoma State University
- Penngrove
- Angwin
- Mountain View
- Sleepy Hollow
- Ross
- Bethel Island
- San Juan Bautista
- Bayview
- Graton
- Knightsen
- Temelec
- Black Point-Green Point
- Norris Canyon
- Eldridge
- Deer Park
- Acalanes Ridge
- Castle Hill
- Diablo
- Chualar
- Byron
- Occidental
- Shell Ridge
- Fruitdale
- Silverado Resort
- Sunol
- Geyserville
- Kenwood
- Alhambra Valley
- Alto
- Clyde
- Glen Ellen
- Petaluma Center
- Spreckels
- North Gate
- Fulton
- Bloomfield
- Moskowite Corner
- Port Costa
- Rutherford
- Oakville
Map
- This advisory
- Interstates
- US highways
Details from the National Weather Service
- What
- Cold conditions with temperatures in the low-to-mid 30s expected.
- Where
- The East Bay Hills and Valleys, The Santa Clara Valley, North Bay Interior Mountains, North Bay Interior Valleys, and Northern Salinas Valley/Hollister Valley and Carmel Valley.
- When
- Until 9 in the morning this morning.
- Impacts
- Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken.
Updates
-
Allowed to end on time. February 21, 2026
-
Reissued with no change to the times or amounts. February 21, 2026
-
Area expanded. February 20, 2026
-
Reissued with no change to the times or amounts. February 20, 2026
-
Cold Weather Advisory issued for Saturday overnight through Saturday morning. February 20, 2026