In the wake of a cold frontal passage, today will turn out to be mainly sunny, dry, and mild, but the unsettled weather pattern will bring us another shower threat on Wednesday and there can be a PM thunderstorm as well. The upper-level trough of low pressure that will generate our unsettled weather conditions at mid-week will hang around until the end of the week, but important changes will then take place this weekend. Upper-level ridging of high pressure that has been stuck over the western states in recent days will move eastward and reach the northeastern part of the nation by later in the weekend. In fact, this high pressure system will intensify markedly early next week and this can result in 90+ degree afternoon highs in the Sunday, Monday, Tuesday time period across some portions of the I-95 corridor. The big-time warm up is likely to be a 3-day affair and temperatures should return to more seasonal levels during the middle of next week.
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Much of the week ahead will be rather cool and unsettled across the northeastern part of the nation with a persistent upper-level trough of low pressure sitting nearby. This upper air pattern will keep temperatures generally suppressed to below-normal levels in the Great Lakes, Mid-Atlantic and Northeast US and there will be a shower threat from time-to-time. By the weekend, important changes will take place as the upper-level trough over the northeastern US retreats off to the northeast and an upper-level ridge of high pressure edges its way into the area from the western states. This ridge will intensify early next week, and the result could be 90+ degrees in the Sunday/Monday/Tuesday time period in places along the I-95 corridor. Looking beyond, it appears that the big-time warm up early next week will not last too much longer as a frontal system next mid-week is likely to return temperatures to more seasonal levels.
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A cold front clears through the region today and after the chance of early day showers, partial sunshine should return in the afternoon across the area. It looks dry on Tuesday and there can be another shower threat at mid-week as an upper-level trough settles over the eastern states. Temperatures remain mild through much of the week and then turn quite warm as we head into the upcoming weekend.
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After a dry day to end the work week, an unsettled pattern will return on Saturday bringing the Mid-Atlantic region a chance of showers, maybe even an isolated thunderstorm. Another system has an even better shot at producing showers around here from Sunday night into Monday...sandwiched in between these two systems we’ll try to squeeze out a decent Mother’s Day with sun followed by late day clouds, but late day showers are possible. Yet another shower threat could reach the Mid-Atlantic by mid-week.
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There was some beneficial rainfall on Wednesday in the Mid-Atlantic as a cold front approached the region and there will be other opportunities for showers in coming days. After a dry day to end the work week on Friday, the next disturbance will arrive on Saturday and showers are possible in the area. By Sunday night and Monday, another system will increase the chance of showers as the unsettled weather pattern continues into the early part of next week.
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A cold front approaches the region today and it will bring us some beneficial rainfall with a shower threat from this morning on through the evening hours. The front stalls out on Thursday and low pressure will form along the boundary zone; however, the best chance for showers will be just to our south and east. High pressure takes back control of the weather to close out the work week on Friday and then the next disturbance can produce some shower activity around here on Saturday and yet another system on Sunday night and Monday.
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Becoming quite breezy and warm today in the Mid-Atlantic region on the backside of a high pressure system which is located to the east of here and afternoon temperatures should reach the low-to-mid 80’s. A cold front will approach the area at mid-week and low pressure will then form along the slow-moving frontal boundary zone on Thursday. As a result, occasional showers are likely here tomorrow and tomorrow night - maybe a thunderstorm as well - and there can be lingering showers on Thursday. High pressure takes back control of the weather to close out the work week on Friday and then a weak disturbance can produce some shower activity here at the beginning of the upcoming weekend.
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It’ll turn noticeably warmer in the Mid-Atlantic region during the next couple of days as high pressure pushes to the east and low-level winds shift to a southwesterly direction. A cold front will approach the area at mid-week and then low pressure will likely form along the slow-moving frontal boundary zone on Thursday. As a result, periods of rain are likely here on Wednesday and Wednesday night - maybe a thunderstorm as well - and there can be lingering showers on Thursday if the low pressure system pushes far enough to the north and west to impact the Mid-Atlantic region.
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Weak high pressure will take control of the weather as we close out the work week, but there will be some clouds late in the day and a couple of showers are possible tonight with the approach of a weak disturbance. Low pressure will push off the Mid-Atlantic coast on Saturday and it’ll result in clouds across the area and a slight chance of showers. Sunshine returns on Sunday and it stays dry and sunny on Monday as well with milder temperatures to start the new work week.
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A strong cold front will push through the region early today paving the way for breezy and cool conditions in the Mid-Atlantic and temperatures late tonight can drop to the lower 40’s in many suburban locations. High pressure will take control on Friday, but its impact will be rather short-lived and limited as an intensifying low pressure system heads to a position just off the Mid-Atlantic coastline on Saturday. The DC-to-PHL-to-NYC corridor will be on the northwest edge of the precipitation shield on Saturday, but some rain cannot be ruled out. Whether this area of rain makes it into the region, the weekend will turn out to be on the cool side of normal and the overall cooler weather pattern looks likely to continue well into the month of May.
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