Mountain snow, gusty winds and rain in valleys and coastal areas are expected Sunday as a Pacific storm moves into the San Diego area, according to the National Weather Service.
The storm should produce 3-5 hours of steady rain Sunday afternoon, with showers continuing into early Monday, according to NWS forecasters.
Meanwhile, Caltrans has issued warnings about freeway closures involving the east end of the Coronado bridge and the Nordahl Road bridge between San Marcos and Escondido.
The connector from northbound state Route 75 to northbound Interstate 5 will be closed Sunday morning. and state Route 78 will be closed in both directions at the Nordahl Road Bridge Sunday night, according to Caltrans.
The connector road from state Route 75 to Interstate 5 was closed from 5 a.m. to 9 a.m. for repair work. Caltrans crews will post signs to detour motorists to continue north on state Route 75 to southbound Interstate 5, to National Avenue then to northbound Interstate 5.
State Route 78 at the Nordahl Road Bridge will be closed from 10 p.m. to 5 a.m. Monday to prepare for the demolition of the east side of the bridge. The highway could be closed for five consecutive nights.
Motorists who travel in the construction area will be detoured to exit at the Nordahl Road off-ramp then reenter state Route 78 via the Nordahl Road on-ramp.
The nighttime work is expected to cause noise and cause a backup on Nordahl Road, according to Caltrans, who advised motorists to avoid the area.
The weather service says rainfall totals are expected to be up to a half-inch near the coast and up to an inch in valleys and upslope areas. The deserts should get less than a tenth of an inch.
Winds will be out of the southwest at 15-25 mph, with gusts up to 45 mph in the afternoon, prompting the National Weather Service to issue a wind advisory from noon until 8 p.m.
Up to 8 inches of snow will fall at the highest elevations, with the snow level dropping to about 5,000 feet. A winter weather advisory will be in effect from 6 p.m. until 3 a.m. Monday.