![]() ![]() In the northern Rockies of Montana and Idaho, the coldest air of the season moved in on Monday and is expected to last through most of the week. Temperatures will tumble as cold air arrives behind the weather system. Falling trees and limbs could lead to power outages due to the gusty winds and snow. The storm's impacts will be more widespread in the higher mountains, especially in western Nevada, where significant snow will be possible. WHAT YOU SHOULD KNOW ABOUT BLOWING, DRIFTING SNOW In Nevada, strong winds and blowing snow amid gusts of 65 mph or higher will be the main concern for the lower elevations as rain amounts are expected to remain on the lighter side. "We are looking at a substantial snow for the Sierra Nevada, especially in the higher elevations." Coldest weather of season for northern Rockies "We’re not going to see improvements until the middle of the week, so that’s what you evaluate here is how much time do you have to play with," Merwin said. You’re also talking about more than 6 to 8 inches of snow."Īccording to the FOX Forecast Center, rain and heavy mountain snow will persist through Wednesday. A winter storm that sent ski lift chairs swinging and closed mountain highways in the Sierra Nevada will push across the United States and reach. A Winter Storm Warning – that’s when I would suggest waiting until the warning has let up because you’re going to have visibility issues. You just really need to look into what you’re getting yourself into. "When you have a (Winter Weather) Advisory, you definitely want to make sure you know what you are getting yourself into you want to allow for that extra drive time, but I wouldn’t completely cancel your plans. "The way I look at it is: If you have a Winter Storm Warning in effect, that’s when I take a pause," said FOX Weather meteorologist Britta Merwin. Strong winds gusting as high as 65 to 75 mph along the mountain peaks will make for blowing snow and reduced visibility. To the south, Winter Storm warnings remained in effect for the mountains of Los Angeles, Ventura, Riverside and San Bernardino counties as 8 to 14 inches of snow – with isolated areas of up to 20 inches – was expected above 6,000 feet. The freeway reopened early Tuesday morning, with officials spot-checking each vehicle for chains before allowing them to proceed, only to shut down again later in the day due to additional crashes and spinouts. The northbound lanes of Interstate 5 were closed for several hours Monday night at Fawndale just north of Redding due to heavy snow. In Northern California, Winter Storm warnings were in effect for the Mount Shasta area for as much as 1 to 2 feet of snow. Winter driving conditions extended into both the Northern California and Southern California mountains. Not only feet of snow, but also numerous downed trees have challenged Caltrans road crews."If you don't need to be out on the road… it's best to just stay home and enjoy some hot chocolate," the National Weather Service office in Reno, Nevada, said. Interstate 80 was finally cleared and opened Wednesday. This combination of prolific snow and strong winds crippled travel over the Sierra. This is the most extreme December snowfall on record in California, topping a 185-inch December snowfall near Donner Pass in December 1889, according to weather historian Christopher Burt. The Central Sierra Snow Laboratory set a new December record with 210 inches of snow through Wednesday morning. Homewood Mountain, on the western shore of Lake Tahoe, picked up 3 feet of snow in 24 hours through Monday morning, according to the National Weather Service. Several Sierra locations have picked up over 100 inches of snow since Christmas week, including Northstar (134 inches) and Diamond Peak (117 inches). This week, Lake Tahoe smashed a 50-year-old record for its snowiest December when the total there reached 193.7 inches, according to the University of California Berkeley’s Central Sierra Snow. Snow measured in multiple feet has buried the Sierra Nevada mountains of California and Nevada, as well as some coastal ranges of Northern California. California will wrap up 2021 with yet more mountain snow and valley rain that will continue to challenge holiday travel through New Year's Eve. ![]()
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