Temperature battleground to set up over northeastern US ahead of late-week storm
Warm and cool air will battle it out in the northeastern United States ahead of the return of downpours and potential severe weather at late week.
A cool, breezy day is on tap across the northern tier of New England on Tuesday, while milder air will creep northward into the Ohio Valley and mid-Atlantic, with temperatures in the 50s, 60s, and 70s returning.
A swath of showers spreading from Michigan to Pennsylvania and the upper mid-Atlantic coast into Tuesday night will be the dividing line between the cooler air to the northeast and milder air to the southwest.
"The boundary dividing the cooler and warmer air can extend as far south as Washington, D.C., and as far west as Pittsburgh on Wednesday," said AccuWeather Meteorologist Brett Rathbun.
"Locations within 50 miles north and south of this boundary will contend with cooler and cloudier weather," Rathbun added.
While high temperatures may be stuck in the 50s and lower 60s F where the clouds hang overhead, 70s and sunshine will not be too far away to the south and west.
"Showers can break out at any time along the boundary, but it will not be an all-day rain nor a washout," Rathbun said.
The greatest risk of showery, cool weather at midweek will be across the eastern Great Lakes and central Appalachians.
Following sunshine at midweek, the damp, cloudy conditions will spread into New York state and New England on Thursday.
Around New York City, Thursday is expected to be the cloudiest and coolest day with occasional rain and drizzle.
The cooler air will retreat northward Thursday into Friday ahead of a system moving in from the west, according to AccuWeather Meteorologist Ryan Adamson.
Temperatures that were in the 50s and lower 60s F at midweek can soar into the upper 60s and 70s F toward the end of the week.
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The surging temperatures will help to fuel another round of downpours and renew the threat of severe weather, perhaps similar to what occurred to end this past weekend, on Friday and Friday night.
This system will first trigger another round of severe thunderstorms across the central and southern U.S. from mid- to late-week.
"Flooding downpours will also be a concern, especially as the severe thunderstorms advance across the East and can be followed by downpours repeating over the same communities," said AccuWeather Senior Meteorologist Kristina Pydynowski.
The system's forward progress could be slowed as it reaches the Atlantic Coast, which would heighten the flash flood risk.
At the very least, people traveling for the Easter holiday or attending Good Friday services will be disrupted.
Download the free AccuWeather app to stay aware of temperature trends and the return of rain in your area. Keep checking back for updates on AccuWeather.com and stay tuned to the AccuWeather Network on DirecTV, Frontier and Verizon Fios.
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