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 Expect
another 5-12 inches of snowfall in areas in areas of the Pacific Northwest and
northern Rockies, and up to 7-15 inches in the Great Basin. In addition to precipitation, winds gusting to 45 mph and over 75 mph in the mountains will join the mix, leading to periods of blowing and drifting snow with reduced visibilities.
To the east, a low pressure system in the upper Mississippi Valley and the
upper Great Lakes will drag a cold front through the upper Great Lakes and the Ohio Valley as the system lifts northeastward into southeastern Canada. Expect snow showers and perhaps a few snow squalls ahead of this cold front from the Great Lakes through the
northern Appalachians and southern parts of the Northeast. Behind this system, a very frigid arctic air mass will spread into the
northern Rockies and northern Plains, dropping temperatures down to 30 degrees below normal.
Temperatures in the Lower 48 states Wednesday ranged from a morning low of
minus 27 degrees at Cut Bank, Mont., to a high of 81 degrees at Kendall, Fla.
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