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 A deep low pressure system off the coast of the Pacific Northwest continues pushing abundant moisture onshore. At the same time, multiple waves of low pressure move through the region, triggering more snow showers across the Pacific Northwest, northern California,
northern Rockies and Great Basin. Snowfall accumulation will range from 5 to 10 inches across the northern Sierras, while 2 to 6 inches of new snow are anticipated in the Great Basin and
northern Rockies.
A warm front over the Oregon and Washington coast will allow for rain showers to persist. Expect another 1 to 2 inches of new rain across these areas. The system will push rain showers into central California, with rainfall totals ranging from 0.50 to 1.0 inches. Strong winds will accompany this system, with gusts between 25 and 35 mph,
and over 40 mph at higher elevations.
Meanwhile to the east, a trough of low pressure will move through the Midwest, creating a swath of snow and freezing rain from the
mid-Mississippi River Valley through the Ohio River Valley. Snowfall accumulations may exceed 6 inches across the Chicago metropolitan area, while 1 to 3 inches of snow are likely from southern Minnesota through Ohio.
In the Southeast, a warm and moist air mass will move onshore from the Gulf of Mexico. This will produce scattered showers and thunderstorms from eastern Texas through the
lower Mississippi River Valley and into the Tennessee Valley.
Temperatures in the Lower 48 states Thursday ranged from a morning low of
minus 25 degrees at Orr, Minn., to a high of 82 degrees at Brady, Texas.
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