Winter weather conditions are possible across much of the United States this weekend.
Winter storm warnings are in place for California’s Sierra Nevada mountains until 10:00 p.m. Saturday night, where 6 to 24 inches of snow is possible.
An avalanche watch is in effect for the backcountry areas of the Greater Lake Tahoe region due to fresh snow and gusty winds. Ski areas and highways with avalanche mitigation programs are not included.
Wind alerts are in effect Saturday for gusts of 50 to 60 mph across California’s northern and central valleys.
This morning, heavy rain fell across San Francisco to Sacramento; inches of precipitation per hour is possible.
By Saturday evening, much of the rain from this event will subside, but heavy snow will continue in the Sierra Nevada through Sunday.
In this screen grab from a video, a man uses a snow blower in Gaylord, Michigan, on Dec. 13, 2024.
WGTU
In this screenshot from a video, a man removes snow from a roof in Eden, New York on December 13, 2024.
WKBW
Total snow accumulations of up to 2 feet are possible in the Sierra Nevada. 1 to 3 inches of rain is possible along the coast from the Bay Area to Oregon and Washington.
Mixed precipitation has hit the Midwest
The arctic blast has died down and warmer weather is creating mixed precipitation in the Midwest.
A quarter inch of ice is possible in eastern Iowa Saturday morning as an ice storm hits the region.
Ice storm warnings are in effect until 3 p.m. Saturday for eastern Iowa, where up to 0.30 inches of ice could weigh down trees and power lines with occasional power outages, as well as icy roads.
Meanwhile, a winter weather advisory is in effect for surrounding states as mixed precipitation will bring freezing rain, sleet and snow to the region as the system slowly pushes east on Saturday.
At most, there could be an inch of snow or an inch of snow and a tenth of an inch of ice depending on the winter weather advisory.
By 5:00 PM CT, mixed precipitation will be in northeastern Iowa and southern Wisconsin as widespread rain blankets the state of Illinois from Memphis and Nashville down.
East coast winter weather
By Sunday evening, snow will fall in central Pennsylvania and western New York, and rain will reach Washington by noon.
Rain will reach Philadelphia and New York City Saturday afternoon and snow will continue across northeastern Pennsylvania and upstate New York.
Rain is still expected in New York City on Monday morning, but much of the snow up north should be gone.
