The heat set to expand eastward from the southern Plains this week will not be quick to race to the Northeast and may even avoid much of New England.
The return of 75-degree warmth is not in the offering for the Northeast through at least Wednesday.
Some mid-Atlantic communities, including Philadelphia and Baltimore, will see temperatures rise into the lower 70s on a couple of days. Otherwise, highs in the 50s and 60s will be common across the Northeast.
Near the eastern Great Lakes and northern New England is where temperatures will mainly be held to the 50s, which--outside of northern Maine--is cool for early May.
Spotty showers and a breeze from this weekend will linger across New England through Monday.
The winds will calm enough for frost and freeze concerns in parts of northern Pennsylvania, upstate New York, western Massachusetts and northern New England (west of I-95) Monday and/or Tuesday night.
Bradford, Pennsylvania, and the surrounding typically colder areas may even dip below freezing Sunday night.
It will take Thursday and Friday for 80-degree warmth to surge back to Pittsburgh, Philadelphia, Baltimore and the rest of the mid-Atlantic as the storm system threatening to spark more severe weather across the Plains heads eastward.
However, the storm may track in such a fashion to prevent the warmth from spilling across eastern New York and most of New England.
"Exactly where the storm's frontal boundary sets up with clouds, showers and thunderstorms will determine which areas hit 80 F and which places only 100 miles away hover in the 50s and 60s," stated AccuWeather.com Senior Meteorologist Alex Sosnowski.
It will be a close call on Friday and Saturday with a brief surge of warmth versus stubborn cooler air in upstate New York and New England. This includes Boston and Portland.
The same can be said for New York City, in regards to whether temperatures soar or the city misses out on the early taste of summer.
"As far as prolonged warmth for eastern and northern New England, that will likely hold off until the weekend of May 17-18," according to AccuWeather.com Long Range Forecaster Mark Paquette.
Residents elsewhere in the Northeast should not put away their jackets when temperatures spike late in the week.
Paquette anticipates another shot of cool air around Tuesday, May 13 with the threat of frost across the interior Northeast during the following couple of days.
Severe thunderstorms return near Little Rock, threatening areas from Oklahoma City to Dallas to close out Wednesday evening.
Tropical Depression Two has lost its battle to become the next Atlantic tropical storm, but it will still increase shower activity across the Caribbean to end the week.
A thick, massive band of mayflies traveling along the Mississippi River created a swarm so intense it became visible on National Weather Service radars on July 20, 2014.
Fresh cooler and less humid air will settle over the Boston area for Thursday and Friday.
Warm and humid air in place over much of the Northeast at midweek is contributing to the risk of drenching, gusty and locally severe thunderstorms on Wednesday.
Severe thunderstorms are dropping down through the South Central states to close out Wednesday.
Hurricane Delores, west of Baja California, causes high surf along the Southern California coast.
Minneapolis, MN (1987)
10 inches of rain fell in 6.5 hours.
Montpelier, ID (1990)
75 mph winds gust; tree damage.