The nation’s weather


Weather Underground Forecast for Monday, March 07, 2016

An area of low pressure will initiate active weather over the central third of the country on Monday, while another Pacific system impacts the West Coast.

A low pressure system will become more organized as it lifts northeastward from the southern Rockies to the central Plains. Temperatures over the Plains will be anywhere from 15 to 30 degrees above normal. A cold frontal boundary will extend south southwestward over the Intermountain West and the Desert Southwest. As this frontal system collides with warm and muggy air over the Plains, strong to severe thunderstorms will fire up across several states. Severe thunderstorms will be possible in Texas, central Oklahoma and south central Kansas. These thunderstorms will be capable of producing large hail, dangerous straight line winds and isolated tornadoes. In addition, heavy rain will bring threats of flash flooding to northeast Texas and southeast Oklahoma. Moderate to heavy snow will also affect the Wasatch and the Rockies.

Meanwhile, another Pacific frontal system will move onshore over California. Throughout Monday, this system will shift southeastward. Moderate to heavy rain and high elevation snow will develop across most of California and the Pacific Northwest. Snow levels will drop to about 4,000 feet from the Pacific Northwest to southern California. Winter storm warnings are in place for the Sierra Nevada, where snow accumulations will be measured in the feet.

Back east, a mixture of rain and snow will develop across the upper Midwest, Upstate New York and northern New England. Spring-like weather will prevail across the Southeast and the Mid-Atlantic due to high pressure over the East Coast.

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Temperatures in the Lower 48 states Sunday have ranged from a morning low of -9 degrees at Clayton Lake, Maine to a high of 85 degrees at Edinburg, Texas

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