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Associated Press

Posted on April 1, 2014 at 4:34 AM

Updated Tuesday, Apr 1 at 5:01 AM

Weather Underground Forecast for Tuesday, April 01, 2014

A cold frontal boundary will extend from the southern Plains to the western Great Lakes on Tuesday, while a separate cold front will move across the West Coast and the Intermountain West.

A cold front will propagate eastward over the central third of the country on Tuesday. Widespread rain and thunderstorms will develop along the frontal boundary and push across the southern and central Plains, as well as the lower and middle Mississippi Valley. Parts of Texas, Oklahoma, Kansas and Missouri will have a chance of severe thunderstorms. Low pressure along the northern tier of the front will usher moderate to heavy snow showers across the upper Midwest and the western Great Lakes. This system will also move rainy weather over the Ohio Valley and the central Great Lakes.

A separate cold front will trek across the Southwest, the Great Basin and the Intermountain West. The heaviest rain associated with this system will move across California, while heavy snow showers will push across the Sierra Nevadas. Snow accumulations in the Sierra Nevadas are forecast to range between 6 to 12 inches above 7,000 feet, while snow accumulations at 3,000 to 6,500 feet will range between 3 to 6 inches. An onshore flow from the Pacific will also usher precipitation across the Pacific Northwest, as snow showers are expected across the Cascades. This cold front will shift eastward over the Great Basin and the Intermountain West during the afternoon, providing heavy snow showers to portions of the Rockies.

Temperatures in the Lower 48 states Monday have ranged from a morning low of 5 degrees at Rolla, N.D. to a high of 86 degrees at Vernon, Texas

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