GUERNEVILLE, Calif.—Heavy rain and wind caused flooding and prompted evacuations in this water-logged wine country community as a second winter storm pushed through the area Sunday.

Elsewhere in Northern California, residents shifted early Sunday into cleanup mode a day after the first storm sent floodwaters into cities and spawned mudslides that forced evacuations and shut down highways.

Up to 3 inches of rain in parts of Sonoma County prolonged flooding problems along the Russian River near Guerneville, where entire trailer parks and farms remained submerged and some residents took to canoes to traverse the deep, murky waters.

Further inland, strong winds sent water over the top of a levee in the Sacramento-San Joaquin Delta, forcing the evacuation of up to 100 residents from Twitchell Island, officials said.

In Solano County, a mandatory evacuation also was ordered for about 15 homes in Collinsville after a levee along the Sacramento River began leaking.

High winds had thrashed water over the levee walls, which developed cracks under the pressure, said Paula Toynbee, spokeswoman for the Solano County Sheriff’s Department.

Crews, held back by poor weather conditions Sunday, would begin repairs in the morning, Toynbee said late Sunday. “High tide has receded, and the situation has stabilized.”

Meanwhile, Southern California braced for the storms expected to hit there late Sunday night. Authorities issued a flash flood watch for areas left blackened by recent wildfires.

Residents of Guerneville continued to grapple with the Russian River, which leveled off for hours at 41 feet _ 9 feet above flood stage _ because of additional rain Sunday. The water was expected to start receding again after midnight, but wouldn’t drop below flood stage until Tuesday morning, officials said.

The river had crested earlier at 42 feet, sending water gushing into portions of the city, flooding hundreds of homes but sparing most of the downtown area, said county spokesman Dan Levin.

Officials continued to evacuate residents Sunday.

The California Army National Guard sent all-terrain vehicles through the town to pick up residents stranded in their houses by floodwaters.

Dan Aljoe, 59, hopped onto the back of one National Guard vehicle Sunday afternoon. Aljoe, who came up from Alameda with some friends to ring in the New Year, said he called for help after waking up that morning to see water lapping against his house.

“We were worried that we wouldn’t be able to get out,” Aljoe said, as he tossed in a garbage bag full of belongings. “These guys were marvelous to pick us up.”

Longtime residents Roger and Isa James raced up to their property from Southern California on Sunday but were too late to move their already-soaked ground floor possessions.

“Our friends said, ‘Don’t worry, don’t rush,’ but they guessed wrong,” Roger James said. “But we look at the floods this way, that every 10 years or so, you are forced to clean up and toss out stuff that you don’t use.”

In the Marin County town of San Anselmo, streets were coated with mud as residents began the arduous task of drying out their flooded homes and business owners sifted through mounds of damaged goods even as rain continued to fall.

“We got hit very hard. It’s all pretty soggy and muddy up here,” town administrator Debbie Stutsman said Sunday. “People are shoveling out today.”

A creek poured over its banks Saturday, flooding about 50 downtown businesses under some 4 feet of water, Stutsman said. Two people rescued from the rising water there were hospitalized with hypothermia.

Initial assessments put the property damage at about $10 million.

Water levels dropped Sunday in the Napa River at Napa, near the heart of wine country, where the river reached 5 feet above flood stage, sending a surge of water into a several-block area of downtown.

By Sunday evening, officials several miles upstream at St. Helena prepared for more problems, as water briefly rose back to flood stage, but no damage was reported.

Napa officials estimated that about 1,000 homes and an unknown number of businesses were flooded. A layer of mud and debris coated city streets, but most of the flooded roads had been reopened by late Sunday.

Saturday’s storm dumped an average of 4 to 5 inches in Northern California, with parts of Napa County getting up to 9 inches in less than 24 hours, according to the National Weather Service.

In Southern California, the heaviest rain was expected Sunday night and early Monday, when officials estimate up to 4 inches could fall in the coastal valley and 8 inches in the mountains.

Saturday’s storm dropped nearly an inch of rain in downtown Los Angeles and higher amounts in the foothills and mountains.

More than 600,000 Pacific Gas and Electric Co. customers from Bakersfield to the Oregon border experienced power outages during the storm.

About 175,000 customers were without power Sunday night after gusts up to 60 mph knocked down additional lines and transformers.

“The magnitude of this storm is tremendous, it’s widespread,” said PG&E spokeswoman Jann Taber. “We have 1,062 crews in the field. We’re working around the clock to restore power.”

In the Sierra Nevada, Interstate 80 was completely reopened Sunday, a day after mudslides shut down the entire roadway about 25 miles west of Reno.

Crews worked overnight to remove more than 130 truckloads of rock and dirt after heavy rain temporarily halted, said Mark Dinger, a spokesman for the California Department of Transportation.

At least one death was blamed on the storm _ a man killed by a falling eucalyptus tree in Vacaville, authorities said.

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Associated Press writers Martin Griffith in Reno, Nev.; and Don Thompson in Sacramento contributed to this report.