Patchy morning fog on Friday blanketed parts of the southern Sacramento and northern San Joaquin valleys, cutting visibility and slowing some commuters. Weather officials warned drivers to watch for sudden near-zero visibility, especially in low-lying river areas and around the Delta.
Patchy fog and reduced visibilities are being observed across portions of the southern Sacramento and northern San Joaquin valleys. Slow down and use low-beam headlights if you encounter reduced visibilities. #cawx
— Caltrans HQ (@caltranshq) February 13, 2026
Where the fog is forming
Forecasters with the National Weather Service in Sacramento are calling for patchy morning fog in the southern Sacramento Valley and northern San Joaquin Valley, with lowland…..