Low pressure slowly pushes away from the Mid-Atlantic coastline today and clouds will linger this morning with occasional light rain or drizzle. Clearing will take place this afternoon and tonight and temperatures will drop back to the 30’s in the overnight hours, but then rebound to 60+ degrees on Wednesday afternoon. The mild weather pattern continues on Thursday ahead of the next cold front which will usher in colder air for the end of the week. Strong low pressure will head towards the Great Lakes on Friday and a secondary system may form near the Mid-Atlantic coastline likely resulting in another rain event for the local area.
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Strong low pressure tracks into the Great Lakes today and it’ll likely to bring a decent amount of precipitation to the Mid-Atlantic region and the precipitation type will be location dependent. Plain rain is likely to fall in areas to the south of the PA/MD border such as in the DC metro region, but a wintry mix is possible right along the Mason-Dixon Line and across southeastern PA with snow/sleet north and east of there. After a couple of very mid days at mid-week, another strong system may threaten the entire DC-to-Philly-to-NYC corridor with rain and/or snow by the end of the week.
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There was record warmth in parts of the East on Thursday including in the Mid-Atlantic region where, for example, Washington, D.C.’s Reagan National Airport (DCA) surged to 81 degrees breaking a record set in the late 1800’s. What a difference a day makes…temperatures at mid-day on Friday are in the 40’s in much of the Mid-Atlantic with very gusty NW winds following the early day passage of a strong cold front. The change in weather will become even more dramatic by Saturday as some snow shower activity is likely in the Mid-Atlantic region – including in some of those same areas that reached the 70’s and 80’s just twenty-four hours ago. Looking even farther ahead, accumulating snow and/or sleet is possible from later Monday into early Tuesday across portions of the northern Mid-Atlantic including in the New York City metro region.
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From record warmth to snow in the forecast…
After an unusually warm day on Thursday, much cooler air is pushing into the DC metro region following the late night passage of a cold front. Winds will kick up as well today with gusts to 40 mph quite likely throughout the Mid-Atlantic region. Low pressure can produce some snow around here on Saturday and then a stronger system could throw some rain this way early next week.
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The country is sharply divided today in terms of temperatures with record-breaking warmth in the East and bitter cold in much of the western half of the nation. In addition to the cold, accumulating snow is falling in a swath from the Upper Midwest to northern New England from a storm system that has impacted a large part of the nation in recent days. Snow is also falling across many western states and blizzard warnings have been posted in of all places the southern part of California. In fact, for the first time ever, blizzard warnings have been issued by the San Diego office of NOAA’s National Weather Service for the San Bernardino Mountains.
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The passage of a warm front will result in a dramatic temperature surge around here this afternoon with afternoon highs likely to be close to the 80 degree mark…perhaps even a record-breaker. A cold front pushes through later tonight and it will result in windy and noticeably cooler conditions for the end of the work week. It remains quite chilly on Saturday and weak low pressure can produce some snow and/or rain shower activity in the region, but its moisture content will be rather limited. Another system could bring us some additional precipitation during the early part of next week.
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A cold front pushed through the region late yesterday and today will turn out to be cooler with mainly cloudy skies. Rain is likely by later in the morning or early this afternoon as low pressure pushes to our northwest and a warm front approaches from our southwest. Following the passage of a warm front, temperatures should jump dramatically on Thursday - well up into the 70’s - with partly sunny skies and breezy conditions. Another cold front passes through the region tomorrow night ushering in colder and very windy conditions for Thursday night and Friday. Low pressure could produce some snow shower activity around here on Saturday, but the moisture content for this system appears to be limited.
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Low pressure will track northwest of the region today producing a few showers; primarily, in the afternoon hours. In addition, the winds will pick up noticeably this afternoon with gusts possible to 45 mph. It’ll turn colder later tonight on the heels of a cold frontal passage and skies will clear after midnight. On Wednesday, it’ll be a colder day and there will be the chance of rain as a warm front approaches from our southwest. After the passage of the warm front, temperatures could shoot up well up into the 70’s on Thursday - perhaps record-breaking territory - and then another cold shot will arrive at week’s end. Low pressure could produce some rain and/or snow shower activity around here sometime during the upcoming weekend.
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The overall weather pattern across the eastern US has been active in recent weeks and there is reason to believe it’ll remain quite energetic over the next couple of weeks. In fact, the Mid-Atlantic/Northeast US can become quite a “battle zone” region with the development in coming days of high-latitude blocking across Greenland/Northeastern Canada at the same time high pressure ridging persists over the Southeast US. There will be times when the SE US ridge shows its strength with warm air surging northward into the Mid-Atlantic region and other times in which the high-latitude blocking flexes its muscle resulting in cold air dropping southward from Canada into the northeastern part of the US.
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The week ahead will feature and up and down temperature pattern and it’ll be unsettled with a series of low pressure systems moving by to our northwest. Today will be a mild day and there can be some shower activity this afternoon with the approach of a cold frontal system, but rain is more likely later in the evening. It stays mild on Tuesday with a shower threat and then colder on Wednesday. The warmest day of the week is likely to be on Thursday before colder air returns for the end of the week.
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