As the restorative wet winter continued to douse drought-stricken Southern California, another storm system brought heavy rain to the region on Monday. Lighter rain is expected to fall Tuesday, enough to snarl the morning commute but fade by early evening. High winds will also rage in the morning, but ease by nightfall. The rain might lead to slick roads with pooling in some areas. The wind could also affect traffic through passes and along some desert highways, according to the weather service. Motorists were urged to use extra caution.