Another round of frosty conditions may occur on Friday morning, mainly from the Great Lakes region into northern New England.  As high pressure shifts eastward, a Midwestern and Northeastern warming trend will commence during the Memorial Day weekend, although mostly dry weather will persist.  Farther south, however, a low-pressure system is expected to move inland during the weekend across the Carolinas, leading to potentially heavy rain.  Southern Atlantic totals could reach 1 to 3 inches as far north as southern Virginia, with much higher amounts possible in the coastal Carolinas. 

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