The 405 Freeway through the Sepulveda Pass will have weekend closures and reductions in both directions for paving work. The closures are in effect 10 p.m. Friday, Dec. 19 through 5 a.m. Monday, Dec.

Onramps and stretches of several highways that closed earlier this week and late last week still hadn’t reopened Tuesday as floodwaters continued to threaten low-lying areas and cover roads across ...