Wet and snowy weather will persist in the West as snow returns Sunday to the Northern Plains and upper Midwest. A strong low pressure system spinning over the Pacific will push another cold front onshore throughout the day. This system will bring rain showers to the Pacific Northwest and northern California, with heavy snow showers expected in the mountains. The Cascades may see 3 to 7 inches of new snow, and the Sierra Nevadas another 7 to 9 inches of snow.
Strong winds will develop ahead of this front, with gusts from 35 to 45 mph, up to 75 mph at the highest mountain peaks. High wind and winter weather advisories remain in effect in these areas.
Elsewhere, a low pressure system over the central and northern Rockies will advance eastward into the Plains, producing 1 to 3 inches of snow across the Dakotas and upper Midwest. Late Sunday, a cold front will develop south of this system, bringing scattered showers and thunderstorms to the Mississippi River Valley. There is a slight chance storms will turn severe in the Tennessee Valley and mid-Mississippi River valley. The back side of this system will spread lingering snow showers over the Rockies.
The East Coast will see a break in wet weather as a low pressure system and associated frontal boundary moves offshore into the Atlantic. High pressure will build over the Northeast and extend down the East Coast, allowing for a dry and mild day before another system quickly approaches from the central U.S.
Temperatures in the lower 48 states ranged Saturday from a morning low of -25 degrees at Land O' Lakes, Wis., to a high of 91 degrees at Bonifay, Fla.
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Online:
Weather Underground: http://www.wunderground.com
National Weather Service: http://iwin.nws.noaa.gov
Intellicast: http://www.intellicast.com
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