[Update: Jan. 9, 2023, 4 p.m.] The California Highway Patrol has closed Highway 101 between State Route 150 in Carpinteria to Cabrillo Boulevard in Santa Barbara due to flooding and weather conditions. CHP says that there is "no ETA on reopening at this time" and asks drivers to stay home and off the roads today if at all possible.
CHP has also closed the northbound 101 at Highway 33 in Ventura. The alternate route north from Ventura that CHP suggests is via Highway 126 to Interstate 5.
[Update: Jan. 9, 2023, 2 p.m.] At around 1:30 p.m., the northbound 101 was closed at Santa Claus Lane as Arroyo Paredon Creek was just about to rise above the highway, Montecito Fire reported.