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Associated Press

Posted on February 16, 2014 at 7:34 AM

Updated Sunday, Feb 16 at 7:36 AM

Weather Underground Forecast for Sunday, Feb. 16, 2014

A cold frontal boundary will stretch from northern California to the northern Rockies on Sunday, while an area of low pressure will move across the central U.S.

Unsettled weather will continue to move across the northwestern U.S. and the Intermountain West on Sunday as several waves of low pressure surge eastward from the Pacific Ocean. Moderate to heavy rain will develop over Oregon and Washington, while heavy snow is expected to move across the Cascades and the northern Rockies. Meanwhile, lighter precipitation will shift across northern California and the Great Basin, bringing light to moderate snow showers to the Sierra Nevadas and the central Rockies. The Southwest will continue to avoid precipitation as high pressure builds along the coast of southern California.

Two waves of low pressure will move across the central U.S. on Sunday. The first low pressure system will push across the northern Plains, the upper Midwest and the western Great Lakes, as freezing rain and snow showers will be possible across the region. The second area of low pressure will shift eastward over the southern Plains, bringing light showers and scattered thunderstorms to eastern Texas, Louisiana and parts of the middle Mississippi Valley.

Active weather will wrap up over the Northeast on Sunday, although heavy snow is expected in northern New England during the early morning. Light snow showers will linger across the Ohio Valley and Mid-Atlantic, while the Southeast will stay clear of rain and snow.

Temperatures in the Lower 48 states Saturday have ranged from a morning low of -23 degrees at Manitowish Waters, Wis. to a high of 84 degrees at Santee, Calif.

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