It’ll remain somewhat unsettled here today as upper-level low pressure only grudgingly pulls away from the area. As a result, there will be some clouds around and a couple of lingering showers are possible. High pressure will build into the area tonight and Wednesday promises to be a milder day with some sunshine. Another frontal system will come our way tomorrow night and it can be accompanied by a few showers and another front may result in the same on Friday. Warmer weather is likely this weekend with a run at 80 degrees likely by Sunday afternoon.
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Our extended soaking rain event that began this weekend is not through with us yet as today will feature periods of rain as low pressure intensifies off the Mid-Atlantic coastline. Some of the rain can be heavy at times and it’ll remain unusually cool for mid-May as temperatures struggle to climb out of the 50’s. The threat of showers will continue tonight and we cannot completely rule out a shower early on Tuesday as upper-level low pressure will be slow to exit the region. With the return of some sunshine on Wednesday, it’ll turn milder, but more showers are possible on Wednesday night as another frontal system arrives in the area.
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There will be scattered showers and thunderstorms later this afternoon and tonight in the DC-to-Philly-to-NYC corridor as a cold front approaches and some of it will be on the heavy side; especially, south of the PA/MD border. This rain event will be relatively short-lived compared to what is coming later this weekend and early next week. Following tonight’s cold frontal passage, weak high pressure will try to get us off to a decent start this weekend, but it will be facing long odds as low pressure will head our way from the Lower Mississippi Valley. Rain is likely to return to the Mid-Atlantic region late in the day tomorrow or early tomorrow night and then continue off and on into Tuesday of next week. The heaviest rainfall may come in two parts with one period centered on tomorrow night into Sunday morning and then a second phase from late Sunday into Monday. Residual showers may very well last into the day on Tuesday in the Mid-Atlantic region.
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A cold frontal system will approach the region today and it’ll turn windy and warmer ahead of it with temperatures jumping well into the 70’s this afternoon and there will be scattered showers and thunderstorms. High pressure will try to provide a decent start to the weekend, but a soaking rain event is likely from late Saturday into Monday. The rain during this extended event may come in two waves with the heaviest likely from Saturday night into Sunday morning and then Sunday night into Monday. It will be quite cool during this event as well with temperatures likely doing no better than the low-to-mid 60's for highs on Sunday and Monday.
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A frontal system continues to meander around the Mid-Atlantic region and this will contribute to some stubborn cloud cover around here and perhaps a shower or thunderstorm later today and tonight. A cold front will arrive in the region on Friday and it’ll turn warmer ahead of it with temperatures jumping well into the 70’s and there will be scattered PM showers and thunderstorms. High pressure will follow for the first half of the weekend with decent weather expected on Saturday, but more rain is likely in the Mid-Atlantic region from Sunday into Monday as moisture flows this way from the south-central states.
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A cool front passed through the region in the overnight hours and today will turn out a bit cooler with a low-level flow of air from off the Atlantic. This front will meander in the Mid-Atlantic region through tomorrow keeping it somewhat unsettled and then another cold front will arrive on Friday. The late week frontal system is liable to cause showers and thunderstorms as we close out the work week and the weekend is likely to start off on a decent note. However, there are strong signs that point to another possible Sunday washout – somewhat similar to what we experienced last weekend.
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A cool front will approach the region tonight and it’ll have trouble pushing through as it’ll align with upper-level winds. This front will meander in the Mid-Atlantic region on Wednesday and Thursday keeping it somewhat unsettled and then another cold front will arrive on Friday. The late week frontal system is liable to cause showers and thunderstorms as we close out the work week and while the weekend may start off on a decent note, more rain is possible as we close out the upcoming Mother's Day weekend.
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After a weekend that featured some soaking rainfall, there will be a break in the action for the next couple of days as high pressure follows the departing low pressure system. It will become unsettled again later this week as a series of fronts will impact the region. The first front arrives late tomorrow as a cool front and this system will meander nearby during Wednesday and Thursday. Another cold front will approach from the west on Friday raising the chances for end-of-week showers and thunderstorms.
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Showers and thunderstorms are possible later today and again tonight as a cold front arrives in the region and this front will then stall in the Mid-Atlantic this weekend. Low pressure will pull out of the Tennessee Valley on Saturday and ride along the stalled out boundary zone and right towards the Mid-Atlantic region. As a result, more rain is likely here from later tomorrow into Sunday morning and some of it can be heavy at times; especially, in the overnight hours. Nicer weather will return early next week as high pressure follows the departing weekend low pressure system.
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A frontal system to our south this morning will push northward as a warm front later in the day and temperatures are likely to soar to the mid 80’s in the DC metro region. Showers and thunderstorms are likely later today and again tonight and then are likely to threaten us later tomorrow and tomorrow night as a cold front approaches the area. Some of the late day storms can be on the strong side in what will be a very warm and humid air mass. That cold front will then stall in the Mid-Atlantic region this weekend and a wave of low pressure will bring more showers and thunderstorms here from later Saturday into early Sunday and this system has the potential for some heavy rainfall.
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