A winter storm warning was in effect through Saturday night in the Sierra Nevada from south of Yosemite National Park to north of Reno, where the weather service predicted 20 inches (50 centimeters) of snow in the mountains around Lake Tahoe with winds up to 100 mph.
Numerous spinouts and crashes closed Interstate 80 from west of Truckee to the state border west of Reno for hours, according to the California Highway Patrol.
Snowfall-related wrecks and slide-offs stopped many northern Arizona routes Sunday afternoon, including Interstate 40 near Williams and State Route 64 near Grand Canyon National Park. The National Weather Service predicted 4 to 8 inches (10 to 20 cm) of snow in Flagstaff and 3 to 5 inches in Window Rock by Sunday night.
The wind chill at Harry Reid International Airport in Las Vegas dipped to 32 degrees at 7:30 a.m. Sunday, according to the weather service. The wind gusted to 37 mph. On Tuesday morning, northern and western New Mexico was expected to have wind chills of 10 to 25 degrees below zero.
The East Coast system was predicted to track along the Northeast coast throughout weekend. In Monroe County, Pennsylvania, a foot (30 cm) of snow fell, and Sussex County, New Jersey, received 11 inches.
Drivers in southeast Pennsylvania and northern New Jersey were warned for intermittent freezing rain and black ice Sunday, even though warnings were rescinded and highway speed limits were relaxed.
The National Weather Service issued a winter storm warning for Massachusetts and Rhode Island from 4 p.m. Saturday to 1 a.m. Monday, predicting 6–12 inches of snow and 35 mph gusts. Some western North Carolina and southern Virginia locations received a thin coating to a quarter-inch of ice early Saturday.
Another Northeast storm projected Tuesday into Wednesday will bring heavy rain to already wet terrain, forecasters said. They predicted coastal floods and gusts that might collapse trees and power lines
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