Early Spring heavy snows expected from the Upper Mississippi Valleyinto the Great Lakes, northern NY State into Northern New England.Widespread wet weather expected from East Texas, across the South, muchof Florida and the Eastern Seaboard.The beginning of a wet pattern for the Pacific Northwest, south intonorthern to central California.Winter weather will continue to dominate the northern tier of the nationduring this first week of spring 2024.  In the wake of heavy snows thathave fallen across portions of northern New England over the past 24hours, additional heavy snow is expected to spread eastward Thursday nightinto Friday from the Northern Plains, across the Upper Mississippi Valleyand into the Lower Great Lakes.  This heavy snow will then push eastwardinto Northern NY State and Northern New England on Saturday.  Across theseareas, snowfall accumulations of 8 to 12 inches are possible.  During theday on Saturday, yet another round of wintry weather with accumulatingsnows will begin to develop across the Northern High Plains and spreadeastward through the remainder of the Northern Plains Sunday and into theearly part of next week.  In addition to the potential series of snowevents across the northern tier, temperatures will remain well belowaverage for the end of the work week and into the weekend.At the same time that snows spread eastward across the northern tier ofthe nation, a widespread rain event will continue to expand from thewestern Gulf coast Thursday afternoon, eastward across large portions ofthe South and Florida Thursday night into Friday.  This widespread heavyrain will then push northward along much of the Eastern Seaboard Fridayinto Saturday.  Some of the heaviest rainfall totals are expected acrossSouth Florida Friday afternoon into early Saturday, with the potential forurbanized flash flooding, especially along the southeast coastal areas ofthe state.  Localized flash flooding also possible along the Mid-Atlanticcoast, including the urban corridor from DC to Boston where rainfalltotals of 2 to 3 inches are possible.An active wet weather pattern will also to begin along large portions ofthe West coast from the Pacific Northwest, south into northern to centralCalifornia.   Precipitation will begin to push inland on Friday acrossthese areas, with rounds of additional precipitation expected into theweekend, with heavy snows in the 1 to 3 foot range expected through theSierra.  While there may be a break to the wet west coast pattern earlynext week, the overall wet winter pattern that has affected the west coastwill continue later next week as additional storm systems push inland.