A cold front will trek eastward Sunday from the Mississippi River Valley, bringing wet conditions to the East Coast.
A low pressure system over the Great Lakes will continue northeastward into eastern Canada. This system will propel a cold front eastward, starting from the Great Lakes and extending down the Mississippi River Valley. By evening, this system will stretch from the Northeast down the Ohio and Tennessee Valleys to the Gulf of Mexico.
The southern end of this system could pull added moisture from the Gulf of Mexico. If thunderstorms develop, they would likely be contained to the Southeast amid strong winds and heavy rains in some areas. In the north, the back side of this system will pull cold air in from Canada, allowing for widespread snow showers to develop across the Great Lakes with accumulations of 1 to 3 inches.
In the Plains, a high pressure area will build behind the mass of cold air. Expect mostly sunny skies and cool temperatures to persist as cold, dry air pours in from central Canada. Further west, a low pressure trough off the Pacific Northwest will push a cold front onshore.This will trigger more rain and high elevation snow in the Cascades. Snow levels will be high, around 8,000 feet, due to this relatively warm system. The tail end of the front out West may bring light precipitation to far northern California.
Temperatures in the lower 48 states ranged Saturday from a morning low of -16 degrees at West Yellowstone, Mont., to a high of 88 degrees at Edinburg, Texas
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Online:
Weather Underground: http://www.wunderground.com
National Weather Service: http://iwin.nws.noaa.gov
Intellicast: http://www.intellicast.com
Source: http://us.rd.yahoo.com/dailynews/rss/weather/*http%3A//news.yahoo.com/s/ap/us_weatherpage_weather
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