winterstormwarning.com

Winter Weather Advisory, California

Moderate

Another up to 2 inches of snow, gusts up to 40 mph. Plan on slippery road conditions.

Ended Friday, November 21, 2025.

Issued
Expires
Updated

Places in this advisory

How much

Snow across the area
Another up to 2 inches
Wind gusts
Up to 40 mph

Map

Map of California with this advisory The Winter Weather Advisory covers Acton, Agua Dulce, Green Valley. I-210I-15I-5I-10I-405ActonAgua DulceGreen ValleyCALIFORNIA10 mi I-210I-15I-5I-10ActonAgua DulceGreen ValleyCALIFORNIA20 mi I-210I-10I-405ActonAgua DulceGreen ValleyCALIFORNIA20 mi I-210I-10ActonGreen ValleyCALIFORNIA20 mi
  • This advisory
  • Interstates
  • US highways
Alert area: National Weather Service. Borders and highways: U.S. Census Bureau. Lakes, rivers and other countries: Natural Earth. Open this area in OpenStreetMap

Details from the National Weather Service

What
Wet snow. Additional snow accumulations up to 2 inches. Winds gusting as high as 40 mph.
Where
Eastern San Gabriel Mountains and Western San Gabriel Mountains and Highway 14 Corridor.
When
Until 2 in the afternoon this afternoon.
Impacts
Plan on slippery road conditions.

Updates

  1. Cancelled by the National Weather Service. November 21, 2025
  2. Snow totals lowered from 3 to 6 inches to up to 2 inches. Now ends earlier, at Friday, 2 in the afternoon. November 21, 2025
  3. Reissued with no change to the times or amounts. November 21, 2025
  4. Reissued with no change to the times or amounts. November 20, 2025
  5. Extended to Friday, 4 in the afternoon. Area expanded. Now also replaces the Winter Storm Watch. November 20, 2025
  6. Reissued with no change to the times or amounts. November 19, 2025
  7. Winter Weather Advisory issued for Thursday morning through Friday overnight. November 19, 2025