...Slight risk of severe thunderstorms today for portions of the far Southeast and Mid-Atlantic states...
...Heavy snow possible tonight and early Sunday morning across portions of the Upper Great Lakes...
...Unseasonably cold temperatures expected for much of the central and eastern U.S...
A deep upper-level trough will dig across the central and eastern U.S.
today in to Sunday. A couple cold fronts will move eastward across the
same areas today.
Behind the second cold front, an unseasonably cold air mass will move into much of the north central and northeastern U.S.
Showers and thunderstorms will be possible today in the warm and
relatively humid air mass ahead of the fronts. The Storm Prediction Center is forecasting a slight risk for severe thunderstorms today and tonight for portions of the Southeast and Mid-Atlantic states. For more
information on the severe weather potential, please refer to the
Convective Outlooks issued by the Storm Prediction Center. The threat for thunderstorms will end by Sunday morning as the leading cold front moves offshore into the Atlantic Ocean.
Farther north, snow is forecast tonight into early Sunday morning across the Great Lakes as cold air pushes into the region and a strong upper-level disturbance moves overhead. There is
the potential for some heavy snow, primarily across the Upper Peninsula of Michigan.
A ridge of high pressure at the surface and aloft will largely dominate
the weather during the short range across the interior western U.S.
However, a Pacific frontal system will approach the Northwest tonight with the potential for rain showers and possibly a few thunderstorms.
Precipitation across the Northwest should become a little less widespread later on Sunday as the front pushes inland. Temperatures across the western U.S. will remain generally above average through the short range forecast period.
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