A cool front passed through the Mid-Atlantic region early Monday and ushered in a comfortable air mass featuring noticeably lower humidity levels than recent days and they’ll stay in the moderate zone today. It’ll turn hotter and more humid on Wednesday ahead of the next cool frontal system and that front is likely to produce afternoon and evening showers and thunderstorms in the Mid-Atlantic region. Some of the PM thunderstorms on Wednesday can reach strong-to-severe levels. More comfortable air returns to the region on Thursday following the passage of the mid-week front and it stays comfortable into the weekend. Another front is likely to bring another round of showers and thunderstorms to the Mid-Atlantic region on Saturday night and Sunday.
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The most uncomfortable part of this current heat spell will come today, tomorrow and Sunday as there will be an increase in overall humidity levels and the heat as well. In addition, the chance of showers and thunderstorms will begin to increase later today and that threat will last into the early part of next week. The increasing potential for rain over the next few days will come about with the increase in overall humidity levels and interaction with a couple of frontal systems. One such back door front will enter the picture later today from our northeast and then a second cool front will approach from the northwest late on Sunday. Any thunderstorm that forms over the next few days can bring heavy rainfall and produce locally damaging wind gusts. Looking ahead, little in the way of relief is expected next week with temperatures likely back to near 90 degrees on Monday and Tuesday for afternoon highs and then into the 90’s by the middle of next week.
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While quite warm this week in places like Washington, D.C. and Philadelphia, the worst of the heat and humidity is still to come. In fact, humidity levels have been rather manageable in these areas during the past few days limiting “heat indices” which are meant to reflect how weather conditions “feel” to humans given the heat and humidity. Large-scale upper-level ridging has been centered overhead during the past few days allowing for a bit of an onshore flow of air in places like D.C., Philly, and southern New Jersey, but that pattern will change in the Friday, Saturday, Sunday time frame resulting in higher heat and humidity. In addition, the chance of showers and storms will increase beginning later tomorrow and the threat of rain will continue this weekend and any storm that forms can produce locally heavy rainfall and damaging wind gusts.
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Temperatures today should peak near the 95 degree mark for afternoon highs and then likely well up in the 90’s again on Friday, lower 90’s on Saturday, and then well up in the 90’s again on Sunday. A few different frontal systems will bring an increasing chance of showers and thunderstorms to the region on Friday, Saturday, and Sunday with the best chance likely late in the weekend at which time a cool front will be approaching from the northwest. Any thunderstorm that forms in this hot stretch can produce heavy rainfall and locally damaging wind gusts. The late weekend cool front gets hung up in the region early next week suggesting any relief is going to be minimal. In fact, high temperatures should climb to the 90 degree mark on Monday and Tuesday and probably into the 90’s by the middle of next week.
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High pressure ridging will dominate the weather scene during the next few days across the eastern states and this will lead to a continuation of very warm conditions right through the work week. Temperatures today should peak in the lower 90’s and middle 90’s are possible on Thursday and Friday. A couple different frontal systems will bring an increasing chance of showers and thunderstorms to the region later Friday and the threat of rain will continue this weekend and early next week.
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High pressure ridging will dominate the weather scene during the next few days across the eastern states and this will lead to a stretch of very warm conditions right through the upcoming weekend. The peak of this upcoming hot spell is likely to be on Thursday and Friday with the mid-to-upper 90’s possible for afternoon highs and then some relief is likely by early next week with the arrival of a cool frontal system. In terms of rainfall, a shower or thunderstorm cannot be ruled out late Friday and then the chance will tend to increase this weekend ahead of the approaching frontal system.
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High pressure will build in all levels of the atmosphere across the eastern half of the nation over the next 24 hours and this will lead to the hottest stretch of weather so far this season. Temperatures will climb into the upper 80’s today and then well into the 90’s for the remainder of the week and upcoming weekend. This hot stretch of weather will likely come rain-free with the next chance for showers and storms perhaps not coming until late in the weekend.
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Washington, D.C. reached the 90 degree mark on Thursday for only the first time this month, but that is about to change in a big way as an extended hot spell is coming to the Mid-Atlantic region. The hot stretch begins early next week, but before we get there we’ll have to deal with possible strong-to-severe thunderstorms later today and early tonight and these will be followed by a comfortable Father’s Day weekend with lower humidity.
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A cool front is headed this way and it should generate afternoon and evening showers and thunderstorm and some of the storms can be strong-to-severe. Temperatures should peak today near the 90 degree mark, but the passage of the front will set the stage for a comfortable weekend with lower humidity and plenty of sunshine on both days. The hottest stretch of weather so far this season begins early next week and it could very well end up being for extended period of time lasting right through the week.
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It turns warmer today and temperatures should reach 90 degrees on Friday afternoon to close out the work week. There is a cold front headed this way for passage on Friday night and it could produce a few strong-to-severe thunderstorms in the area from later tomorrow into early tomorrow night. The passage of the front is likely to set us up for a nice Father’s Day weekend with highs on both days in the 80’s…hot weather is on the way for next week and it could last for an extended period of time.
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