Temperatures should climb to 80 degrees today with some afternoon sunshine around here after morning clouds and then this warm up will peak on Saturday when temperatures climb well into the 80’s. High pressure will build into SE Canada by Sunday and this will result in a back door cold front slipping down the Northeast US coastline bringing cooler conditions to the NYC metro region. On Monday, a strong cold front will approach from the Midwest and it is likely to turn windy and warmer, but then cooler temperatures return on Tuesday following the frontal passage. As far as precipitation is concerned, there can be showers and thunderstorms in the wee hours of the morning and then both weekend days can include a couple of showers and thunderstorms, but most of the time on Saturday and Sunday should be rain-free. Later Monday, as a strong cold front arrives, showers and thunderstorms will become pretty widespread and some of the storms can be on the strong side.
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Much warmer air has moved into the Mid-Atlantic region and it’ll stay quite warm right through Saturday. The peak of this current warm spell will take place on Saturday afternoon when temperatures could soar to around 90 degrees for highs in parts of the I-95 corridor. A back door cold front will then drop southward through the Northeast US late Saturday night and it’ll turn noticeably cooler on Sunday in New York City, Philly and DC. After a brief warm up on Monday, it’ll turn noticeably cooler on Tuesday following the passage of a strong cold front and there are additional cool air masses coming our way as we progress through the month of May.
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It'll turn milder today in the NYC metro region and then quite warm on Friday and Saturday. Temperatures should reach the low 70's around here, 80 degrees on Friday, and then well into the 80's on Saturday. A back door cool front, however, is likely to cool it off noticeably on Sunday. On Monday, a strong cold front will approach from the Midwest and it is likely to warm up again, but then cooler temperatures return on Tuesday following the frontal passage. As far as precipitation is concerned, a weakening frontal system can spark a couple of showers and maybe a thunderstorm later tonight and early Friday and both weekend days can include a shower or thunderstorm, but most of the time should be rain-free. Later Monday, as a strong cold front arrives, showers and thunderstorms will become quite likely and then it'll turn cooler following the frontal passage.
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Low pressure is now weakening and pulling away from the Mid-Atlantic coastline and it’ll begin to turn noticeably milder this afternoon in the DC-to-Philly-to-NYC corridor although skies may stay mostly cloudy. After a milder day on Thursday, it'll turn quite warm around here for Friday and Saturday with highs near 80 degrees on both days. A weakening frontal system could spark a few scattered showers and thunderstorms tomorrow night and early Friday and both weekend days could feature a shower or thunderstorm.
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A coastal storm is intensifying as it turns slowly up the Mid-Atlantic coastline and it will produce heavy rain bands today in the DC-to-Philly-to-NYC corridor along with some strong wind gusts and perhaps a thunderstorm or two. The rain bands will rotate to the northwest and into the I-95 corridor from the southeast today as the low pushes slowly up the coast.The low pressure system will push to near the mouth of the Chesapeake Bay by later today and then weaken tonight as it pushes away from the coastline. The steadiest, heaviest rain threat will end by early tomorrow and it’ll become noticeably milder during the afternoon hours on Wednesday. A strong surge of warm air will then boost temperatures to near 80 degrees on Friday in the NYC metro region and for both weekend days as well. At the same time the Mid-Atlantic warms up considerably, very cold air for this time of year will plunge into the western US and states like Colorado and Wyoming could actually end up with substantial snowfall.
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A coastal storm will intensify significantly over the next 12-24 hours and become a major player for the eastern US with heavy rain, strong winds and embedded strong thunderstorms. Deep upper-level low is moving very slowly today across the Southeast US and, as it becomes negatively tilted, a strong jet streak will rotate around and help to set off the rapid intensification of surface low pressure. An impressive influx of moisture is already feeding into this developing storm system from the western Atlantic Ocean and much of this will slowly ride up the eastern seaboard over the next 36 hours or so. The precipitation rate in the DC-to-Philly-to-NYC corridor will increase tonight and bands of heavy rain are likely on Tuesday and Tuesday night along with strong wind gust and cool temperatures.
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High pressure extended down the Northeast US coastline on Sunday salvaging the second half of the weekend for us here in the NYC metro region. However, the brief break in the rainy weather pattern will end later today as low pressure begins to track slowly up the east coast. In fact, this slow-moving system is likely to generate some rain around here right into the early part of Wednesday and temperatures will remain on the cool side throughout this precipitation event. Later Wednesday, as the low pressure system finally pulls away, much milder air will pour into the Mid-Atlantic region and a significant warm surge will boost temperatures to near 80 degrees by the end of the week.
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A cold front approaches the region today from our west and it will generate an occasional shower and perhaps an afternoon thunderstorm. The front stalls to our south this weekend and low pressure will track along it and head towards the Mid-Atlantic coastline. During the weekend, most of the rain associated with this low pressure system will stay to our south, but it should come far enough north early next week to produce some rain around here on Monday and Tuesday.
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This weekend will turn noticeably cooler in the Mid-Atlantic region and there will be some rain to go along with that cool down; especially, south of the PA/MD border. We’ll then stay quite cool during the first half of next week, but a significant jump in temperatures is likely to arrive in the eastern US at the end of next week or during the following weekend. In fact, this surge of heat could result in the first 90 degree readings this year for parts of the Northeast US.
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Our low-level winds will shift from a southeasterly direction to southwesterly today and this will push much milder air into the NYC metro region. It’ll stay quite warm on Friday as well as a cold front approaches the region from the Great Lakes. This warm up will also bring with it scattered showers and possibly a couple of thunderstorms from today into early tomorrow night. Following the cold frontal passage, it’ll turn cooler for the weekend and some showers are likely from late Saturday night into Sunday as strong low pressure pulls out of the south-central US and heads towards the Mid-Atlantic coastline.
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