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All eyes will be on the Eastern U.S. Saturday as a nor’easter slides along the coast. The next weather system arrives in the Pacific Northwest Sunday, while the nation’s midsection stays fairly quiet both days.
Saturday
A coastal low pressure system will parallel the East Coast on Saturday starting near the Mid-Atlantic and eventually making it to Nova Scotia. Moderate to heavy snow and high winds will be in the forecast along the immediate coastline, with light snowfall farther inland. The heaviest accumulations will be found from Long Island to southern New England. However, the combination of snow and high winds will create dangerous travel conditions and power outages along the coast from northeastern North Carolina to southern Maine.
A clipper-type system will zip across the Upper Mississippi Valley into the Great Lakes Saturday afternoon and evening. This could lead to a few flurries or light snow showers from Minnesota to Michigan.
Otherwise, a ridge of high pressure will be expanding from the Western U.S. into the nation’s midsection for the first half of the weekend. This will lead to plenty of sunshine and dry weather for the West Coast, Mountain West and Plains.
Temperatures will be unseasonably mild across the western two-thirds of the nation, while it will be colder than normal for the Eastern U.S.
High temperatures will be in the single digits and teens from the Great Lakes and Ohio Valley into the Northeast as well as along the Appalachian Spine. Temperatures will peak in the 20s, 30s and 40s across the Pacific Northwest, Great Basin, northern Rockies and Plains and Upper Mississippi Valley as well as Midwest, Tennessee Valley, Deep South, Mid-Atlantic and Southeast. Expect 50s, 60s and 70s across California into the Desert Southwest, the central and southern Plains and Mid and South Florida.
Sunday
A clipper-type system will continue to advance east on Sunday, moving from the Great Lakes into the Northeast. It will start to run out of moisture, but flurries or light snow showers will continue to be possible.
On the opposite side of the country, an upper-level weather system will drop south across the Pacific Northwest and northern Rockies. Rain showers will be likely across the coast and lower elevations. Meanwhile, light to moderate snow will fall over the mountains and higher elevations.
High pressure will be in control of the weather across the rest of the U.S. for the conclusion of the weekend. Dry weather will be found from California, the Great Basin and Intermountain West into the Midwest, Mid-Atlantic and Southeast.
Temperatures will be in the single digits and teens from the Great Lakes, Ohio Valley and Northeast. Highs will be in the 20s, 30 and 40s from the northern Plains and Upper Mississippi Valley into the Tennessee Valley, Mid-Atlantic, Deep South and Southeast. Even Florida will struggle to get much into the 50s! Afternoon highs will also be in the 20s, 30s and 40s for the Great Basin, Rockies and High Plains. Meanwhile, 50s, 60s and lower 70s across the West Coast, Southwest and southern Plains.