Firefighters are working to clear mounds of snow that have gathered on the hillside above the westbound A690.
The carriageway is expected to remain closed for a time longer as Northumbria Police have deemed re-opening it too risky for drivers.
Police are urging drivers to avoid the area on the morning commute. Diversions are in place.
The alters of St Nicholas' Cathedral in Newcastle city centre are piled high with bedding while clothing lay in the aisles.