The storm hammering areas from Colorado to Nebraska with near-blizzard conditions will fade before reaching the northern Plains, Great Lakes and Northeast.
The storm responsible for over 2 feet of snow in parts of Colorado and severe thunderstorms farther south will mature over the Plains.
A push of dry air from the northern Plains to New England will prevent the storm from taking a traditional northeastward path.
Instead, a diminishing area of precipitation will reach areas from the Ohio Valley states to the mid-Atlantic over the weekend.
Heavy snow that reaches into Iowa tonight will become a generally light wintry mix over northern Illinois (including the Chicago area) and a bit of rain in central Indiana (around Indianapolis) and southern Ohio spanning Saturday.
A bit of rain will streak eastward over the Virginias, Maryland and the Delmarva Peninsula Saturday night into Sunday (including Baltimore-Washington, D.C.).
It is possible that the air is cold enough to support an accumulation of snow or a wintry mix in the mountains of the northern part of the Virginias and western Maryland.
There could be a few drops of rain, wet snowflakes and a dash of sleet from Pittsburgh to Philadelphia.
Dry weather is in store for the swath from Huron, Fargo, Minneapolis, Milwaukee, Detroit, Cleveland, Buffalo, New York City, Hartford and Boston.
A pattern favoring waves of progressively cooler air will set up across much of the Midwest and Northeast during next week and could continue into early May.
Round after round of drenching rain will continue to cause flooding in the South, while another dose of rain may renew flooding in the Ohio Valley this weekend.
The 119th Boston Marathon will take place on Monday, April 20, and runners set to take on the historic course will face cool and rainy conditions.
The southern Plains and western Gulf Coast will once again become the target of severe thunderstorms into Saturday evening.
In a high-tech world of satellites, computers, mobile devices and wearables, the weather balloon is still an important tool which helps meteorologists create more accurate forecasts, especially in the case of severe weather.
Rounds of flooding and severe storms slammed the South and Plains this week, while a storm system unleashed dust storms and snow in the West.
Rapid City, SD (1970)
22" of snow (17th-18th) -- 24-hour record.
Heat wave in Northeast -- 95 degrees in Washington, DC, tied April record. 94 degrees in Philadelphia, PA.
SE Virginia (1983)
4" snow at Hampton, 3" snow at Newport News (heaviest snowfalls on record so late in the season).