A storm system traversing the south-central U.S. will intensify over the Gulf of Mexico.  Mixed precipitation, cold rain and wet snow, will linger into Friday across the central and southern High Plains.  Subsequently, the low-pressure system will move northward along the Atlantic Coast, delivering rainy, windy weather across the eastern U.S.  Some of the heaviest rain—locally to 2 to 6 inches or more—should fall across the lower Southeast, including Florida.  In contrast, only light precipitation will fall during the next 5 days in the Midwest, while completely dry weather should prevail across much of the northern Plains, Great Basin, and Intermountain West. 

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