Prior to an upcoming pattern change, atmospheric disturbances will continue to generate scattered to widespread showers from the Rockies to the Atlantic Coast.  Some of the heaviest rain, locally 1 to 3 inches or more, will fall across the South, and lasting into Friday.  A few thunderstorms may contain large hail and damaging winds, with the main threat of severe weather shifting southward and eastward over the next couple of days.  Meanwhile, west of the Rockies, mostly dry weather will accompany a warming trend. 

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