A cold front will arrive tonight and this system will likely bring us another round of showers and thunderstorms. Any storm that forms along the frontal boundary zone later today or tonight can be on the strong side with heavy rain, gusty winds and frequent lightning. Canadian high pressure will then build into the Mid-Atlantic region on Wednesday and it will produce a long stretch of nice weather lasting right into the early part of next week.
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Solar eclipse day has finally arrived and there will be some clouds around in the Mid-Atlantic region. High pressure over the region will move offshore today and a disturbance will approach from the west giving us the chance for thunderstorms both this afternoon and tonight. Later in the week, Canadian high pressure will arrive with comfortable conditions for this time of year. In the DC-to-Philly-to-New York City corridor, the eclipse will be partial and its duration will be about 2 hours and 40 minutes. The beginning of the solar eclipse in this corridor will be around 1:20 PM (ET), the time of maximum coverage of the sun around 2:45 PM (ET), and the ending time around 4:00 PM (ET). The percentage of totality will be roughly 81% in the DC metro region, 75% in and around Philly, and 72% in and around the NYC metro region. Special solar eclipse glasses must be worn for viewing throughout today’s event.
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Weak high pressure builds into the region today and the new work week gets off to a pretty nice start although a couple of showers cannot be ruled out over the next 24 hours or so. A front will approach the region later in the week and likely stall out near the area. As a result, the threat for showers and storms will return on Thursday and the good news is that there is still no excessive heat in sight for the Mid-Atlantic region.
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A frontal boundary to our south will lift northward later today and this will increase our chances for showers and thunderstorms after a few days of quiet, rain-free weather. Another frontal system will approach the region this weekend keeping it somewhat unsettled around here and low pressure may then form along this boundary zone early next week. There is still no excessive heat in sight for the Mid-Atlantic region.
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High pressure will push offshore today and a frontal boundary to our south will begin to push northward on Friday. As a result, our weather will become more unsettled as we close out the work week and it’ll stay unsettled this weekend as well with a daily shot at showers and thunderstorms. Another frontal system will approach the region on Monday and this will continue the unsettled weather pattern for the early part of next week. No excessive heat is likely over the next several days and high temperatures should hold in the 80’s going well into next week.
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High pressure will continue to control our weather for the next couple of days and conditions will remain quite pleasant for August with comfortable temperatures and low humidity levels. The overall pattern, however, will become more unsettled as we approach the weekend as an upper-level trough digs towards the east coast. In fact, this could result in some more rainfall for the I-95 corridor on Friday, Saturday, Sunday and Monday as multiple low pressure systems cross the region.
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A week in August without one 90 degree day – sure looks likely this week in the DC, Philly and NYC corridor. A cold front came through the region last night and clouds this morning should give way to some afternoon sunshine. A few showers are also possible during the AM hours; especially, to the south and east of the District. High temperatures for much of the week will be in the 80’s which is below normal for this time of year.
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Low pressure will track along a frontal system today and generate occasional rain and possible thunderstorms as we start off the new work week. Some of the rain will fall heavily at times with more than two inches in some areas and the combination of clouds and the rainfall will help to keep temperatures confined to the 70's for highs. In fact, there will likely be no uncomfortable excessive heat this entire week as another pretty refreshing high pressure system takes control at mid-week.
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A cold front will approach the area late today and then slide through early on Saturday. As a result, there will likely be some shower and thunderstorm activity during the afternoon and nighttime hours and perhaps even some residual activity early tomorrow on an isolated basis. After the frontal passage, a more comfortable air mass will push into the Mid-Atlantic region for later Saturday, Sunday and Monday and we’ll experience lower humidity and rather pleasant temperatures for early August. Another front should cross the region early next week and it could result in another round of showers and thunderstorms late Sunday night and on Monday.
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The weather will remain somewhat unsettled over the next couple of days in the I-95 corridor as moist air interacts with the approach of another frontal system to keep alive the threat for PM showers and thunderstorms. This front will ultimately slide through the area early in the weekend and its passage will usher in quite comfortable air for the early part of August. In fact, Sunday promises to be as spectacular as last Sunday with plenty of sunshine, low humidity, and comfortable temperatures topping out in the lower 80’s. Another front is likely to bring us a round of showers and thunderstorms on Monday.
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