An unsettled weather pattern will continue in the Mid-Atlantic region right through the upcoming weekend, but there will be some nice spells as well with, for example, Thursday likely to be quite a nice day. For today, a cold frontal system will arrive tonight from our west and there is a chance of late day or evening showers and thunderstorms. On Thursday, skies should become mainly sunny after some early day patchy fog. Sunshine may begin the day on Friday, but showers and storms are possible again late in the day and especially at night. The weekend starts off with decent weather on Saturday, but rain is likely on Sunday and it'll be cool for early June as we begin the new week. One final note, the NASA/Wallops sounding rocket launch has been postponed until early tomorrow morning.
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It looks like another week without any hot weather for the Mid-Atlantic region as we end May and begin the month of June In fact, the highest temperatures this week will likely stay at or slightly under the 80 degree mark. One frontal system will be nearby today and keep us unsettled and then additional fronts will swing through over the next several days keeping us unsettled.
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A mixed picture for the holiday weekend with plenty of rain-free time, but cannot rule out a shower or thunderstorm on any of the three days. Low pressure in the upper atmosphere will pull away later today, but it'll remain unstable enough for a possible passing shower or two this afternoon. A frontal system will stay close enough this weekend to generate the chance of showers or thunderstorms on each day, but no day will be a total washout and there will be lots of rain-free time
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Another vigorous upper-level low is bringing more wet weather to the Mid-Atlantic region and the threat for rain will continue into tomorrow. Scattered thunderstorms can mix into the picture as well and some storms that do form this afternoon/evening can be on the strong side. There will be some improvement on Saturday, but this will be just another short-term break in the action during this very active weather pattern. Showers will threaten late Saturday night, Sunday and Monday as a frontal boundary zone cuts right across the Mid-Atlantic region and there can be a few thunderstorms mixed in as well.
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Yet another vigorous upper-level low will head towards the Northeast US over the next couple of days and it will help to generate more rain for the region from late tonight into Friday and there can be thunderstorms mixed into the picture – some of which can be on the strong side. This system will slowly depart on Friday and the weekend should begin on the dry side; however, occasional showers and possible thunderstorms threaten for late Saturday night, Sunday and Monday.
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The cold front that passed through the region on Monday has stalled just offshore and low pressure will ride along its boundary zone over the next 24 hours. This system could generate more showers in the region this evening, but most of its precipitation will stay to our south and east. Upper-level low will then intensify over the Northeast US by Thursday and will likely produce more rain here from tomorrow night into Thursday. The weather does improve some on Friday as we end the work week and it should be quite nice to start the holiday weekend; however, showers threaten for Sunday night and Monday.
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A cold front will close in on the east coast today and generate rain in much of the I-95 corridor and maybe a thunderstorm or two. This front will stall just offshore and low pressure will ride along impacting the region later tomorrow into Wednesday. Another front approaches the east coast on Thursday keeping the weather quite unsettled with another shot at showers and thunderstorms. High pressure will follow for the end of the week and stick around into the upcoming weekend likely giving us pretty nice weather for the start of the weekend, but showers threaten for Sunday and Monday.
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A cold front is pushing towards the east coast and scattered showers and thunderstorms are now popping in areas to the west of the I-95 corridor. The coverage of showers and thunderstorms should increase over the next couple of hours and can impact the I-95 corridor from mid-afternoon to late evening. While many areas will not get hit, any storm can produce gusty winds, cloud-to-ground lightning and brief downpours. The chances for showers and thunderstorms will tend to increase as one goes farther southwest along I-95 with DC, for example, having a better shot than New York City.
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It’ll stay quite warm and humid today with highs near 90 degrees to end the work week, but there is relief coming this weekend as a cold front pushes through the region. As the front arrives later today, there will likely be scattered showers and thunderstorms and an isolated storm can be on the strong-to-severe side. Behind the front, low-level winds will shift from southwest to east-to-northeast and that will bring much cooler air into the region from off of the still-chilly waters of the western Atlantic Ocean. Temperatures this weekend are likely to generally be held in the 60's for highs on both days. On Monday, a strong cold front is likely to produce showers and thunderstorms up and down the I-95 corridor as it pushes eastward from the Ohio Valley.
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First, a very dangerous setup is unfolding for later today in Oklahoma and Kansas and unfortunately, it will likely result in a widespread tornado outbreak - warn anyone you may know out there to stay on guard this afternoon and evening. Around here, a dramatic surge of very warm air pushed afternoon temperatures to well up in the 80’s on Wednesday and they can climb into the lower 90’s later today with possible record-breaking levels attained in some spots of the Mid-Atlantic. It’ll stay quite warm on Friday as well with highs well up in the 80’s to end the work week, but there is relief coming this weekend as a back door cold front pushes through the region. This front will bring about a low-level wind shift from southwest to northeast – and that will bring much cooler air into the region from off of the still-chilly waters of the western Atlantic Ocean. Temperatures this weekend are likely to be held to near 70 degrees for highs on both days. On Monday, a strong cold front is likely to produce PM showers and thunderstorms up and down the I-95 corridor as it pushes eastward from the Ohio Valley. Looking ahead, there are signs for a cooler-than-normal pattern to set up again in much of the eastern half of the nation as we head into the Memorial Day weekend.
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