Remnant moisture from Isaac will combine with a cold front to produce drenching thunderstorms Tuesday from Montreal to New York City to Philadelphia and Washington D.C.
As Isaac's moisture continues to bring much-needed rain to the Ohio Valley this weekend, its moisture will then take aim on the mid-Atlantic and New England early this week.
LATEST: Isaac Brings Flash Flood Risk to NYC, DC, Charlotte
Showers and thunderstorms will make eastward progress through Labor Day, affecting cities such as Roanoke, Huntington, Cincinnati, and Charleston Sunday before shifting into Buffalo, Erie, Allentown and Dover on Labor Day.
Above is the Labor Day forecast for the Great Lakes and mid-Atlantic. Notice the remnants of Isaac still causing problems from the Ohio Valley to the mid-Atlantic.
While rainfall won't be nearly as heavy and widespread as what occurred over much of the Mississippi River Valley last week, any showers and storms will certainly put a damper on outdoor holiday weekend plans, in some locations.
The most active day for the Northeast from Portland to Boston, Albany and New York City looks to be Tuesday.
A cold front will slide into the eastern part of the country and interact with the remnant moisture and circulation from Isaac.
This front and deep moisture will cause widespread showers and thunderstorms from New England to the mid-Atlantic Tuesday afternoon and Tuesday night.
While we aren't anticipating any widespread severe weather, thunderstorms that do form will be capable of producing damaging wind gusts and locally flooding downpours.
After soaking interior New England and the St. Lawrence Valley of Canada during the day Tuesday, the threat for drenching storms will shift toward the coast, affecting the I-95 corridor Tuesday night.
This is the time frame in which heavier downpours will be most widespread in the bigger cities, potentially causing travel delays from Portland to New York City and Newark.
This cold front will be slow to move off the coast, which will allow for showers and thunderstorms to linger over much of New England and the mid-Atlantic coast on Wednesday before somewhat drier weather attempts to move in by Thursday.
Downpours and locally severe thunderstorms over the Central states will not only foil holiday weekend activities, but will also put some lives at risk.
A few days after a chilly storm departs the Northeast, warm weather will make a strong comeback in parts of the Midwest and the East later next week.
The storm responsible for the wind, cold, rain and snow in the Northeast Friday and Saturday will slowly ease up for the balance of the holiday weekend.
Another plunge of chilly air will set the stage for the risk of a frost and freeze centered Michigan, Ohio, West Virginia and other nearby states this weekend.
"This pup was literally singing when he saw his family," Michelle Karolicki, relocation program manager of the Central Oklahoma Humane Society, said about a reunion that took place on Thursday.
During Sunday's race, the skies will be variably cloudy with the risk of a few showers.
| Extreme | Location | |
|---|---|---|
| High | N/A | |
| Low | N/A | |
| Precip | N/A |
Udall, KS (1955)
This town 25 southeast of Wichita was destroyed
by a tornado; 80 people dead.
New York City (1861)
Snow was reported.
Dallas, Ft. Worth Texas (1982)
Flooding rains in Dallas, Ft. Worth, area;
over 2" in most places. Total rainfall of
13" at this point of the month, making it the
wettest May since records began in 1898.
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