An accumulating snow event is likely in the Mid-Atlantic region from later tomorrow into Wednesday and it should bring 1-3 inches of snow to the I-95 corridor region from DC-to-Philly-to-NYC. Cold air will stick around following this snow event for the latter part of the work week, but a noticeable warm up will take place this weekend.
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An accumulating snow event is likely from later tomorrow into Wednesday and it could bring 1-3 inches of snow to the I-95 corridor region from DC-to-Philly-to-NYC. A frontal system will work its way to the east coast on Tuesday and then low pressure will likely form along the southern part of that boundary zone and move to a position off the Mid-Atlantic coastline by mid-week. The combination of the front and low pressure system should throw some snow our way in the I-95 corridor with a cold air mass firmly in place. It'll stay cold following this system for the latter part of the work week, but noticeably milder weather will return for the weekend. In fact, temperatures could reach the 55 degree mark by next Sunday in the DC metro region.
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A very active weather pattern has begun and will continue for the next several days. Heavy rain has already fallen today on much of the I-95 corridor and another round will take place later tonight into early Saturday. An Arctic front will pass through the region by early tomorrow and this will result in about a 50 degree temperature drop between now and early Sunday morning in the I-95 corridor as Arctic air floods the area following the warm conditions of today. The rain could end as a period of sleet and/or freezing rain tomorrow morning as the Arctic air arrives; especially, to the north and west of the big cities. Then, after a couple of dry and cold days, snow may threaten the I-95 corridor from later Tuesday into Thursday as low pressure tries to form near the Mid-Atlantic coastline.
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The overall weather pattern from tonight through the middle of next week will be quite volatile with a wild swing in temperatures of about 45 degrees from today’s highs near 65 degrees to early Sunday morning lows near 20 degrees. This late week "January thaw" will result in heavy rain for the I-95 corridor and thunderstorms could even get mixed into the picture as well as some patchy fog. As Arctic cold arrives in the big cities tomorrow morning, the precipitation could mix with or change to ice and/or snow before ending. Then, after a couple of dry and quite cold days, accumulating snow may threaten the I-95 corridor from later Tuesday into Wednesday as a reinforcing Arctic blast arrives in the eastern US.
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The overall weather pattern from tonight through the middle of next week will be quite volatile with wild swings in temperatures from the 60’s on Friday afternoon to Arctic cold for this weekend and much of next week. This late week "January thaw" will also result in heavy rain for the I-95 corridor and thunderstorms could even get mixed into the picture as well as some patchy fog. As Arctic cold arrives in the big cities on Saturday morning, the precipitation could mix with or change to ice and/or snow before ending by mid-day. Then, after a couple of dry and quite cold days, accumulating snow may threaten the I-95 corridor from later Tuesday into Wednesday as a reinforcing Arctic blast arrives in the eastern US.
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A strong cold front will approach the region on Friday and a strong storm will form along the advancing frontal boundary zone in the Ohio Valley. Ahead of the front, our temperatures should climb into the 50's this afternoon and then the mid-to-upper 60’s are likely around here on Friday. Many parts of the Ohio Valley are likely to receive significant snow and ice from this storm that will slide just to our northwest late Friday night. Soaking rain will accompany this late week warm up in the I-95 corridor and it looks like the rain will tend to be concentrated in two separate time periods: later tonight/early Friday and tomorrow night/early Saturday. After the front passes through the region early Saturday, the precipitation will wind down – perhaps mixing with or changing to sleet and/or snow before ending; especially, in the northern and western suburbs. In fact, accumulating snow is likely early Saturday across northern WV and western MD as the Arctic air arrives. By Sunday, Arctic air will be fully in control and our temperatures will struggle to reach the 30 degree mark for highs. It’ll stay quite cold through the early part of next week and accumulating snow is possible by later Tuesday or Wednesday as a reinforcing shot of Arctic air arrives in the eastern US.
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For the first time in quite awhile, temperatures climbed well above freezing on Tuesday and actually made it all the way into the 40’s throughout the DC metro region. A cold frontal system, however, passed through in the overnight hours and has ushered in slightly colder air for today and highs are likely to be confined to near 40 degrees. However, a noticeable warm up is coming for the next couple of days with 50 degrees possible for highs on Thursday afternoon and then we may make a run at the 60's on Friday. The warm up will come with some occasional rainfall, however, and some of it will be heavy at times. The rain looks like it will tend to be concentrated in two separate time periods: Thursday night and Friday night. Colder air arrives on Saturday and temperatures by Sunday will struggle to reach the freezing mark.
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Temperatures should actually climb into the 40’s today for highs which will mark the first time clearly above the freezing mark in quite awhile. A frontal passage tonight will usher in colder air for tomorrow, but then we’ll turn quite mild for the Thursday, Friday, Saturday time period. Temperatures will climb well into the 50’s - perhaps even flirt with 60 degrees - during this late week warm up, but there will be occasional rain to accompany the milder conditions. A strong cold front will put an end to the warm up by the latter part of the weekend and it’ll stay cold through the early part of next week.
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The ground is very cold and there is some precipitation closing in on the DC-to-Philly corridor – not a great combination for the late day commute. A mix of freezing rain and sleet is likely to reach the DC metro region before 1 PM or so and a mix of snow, sleet and/or freezing rain is likely to reach the Philly metro region before 2 PM or so.
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After a bitter cold weekend, temperatures will modify today, but that modification will likely come with a wintry mix of precipitation including freezing rain and sleet. Road conditions could quickly deteriorate for the late day commute with any precipitation as ground-level temperatures have been so cold for so long. It’ll turn a bit milder on Tuesday, but then a colder air mass will return briefly for the mid-week time period. It should turn milder again for a few days late in the week (Thursday-Saturday) before another cold air mass makes it into the Mid-Atlantic region by the latter part of the weekend. The late week warm up is going to be accompanied with occasional rain. In terms of records on Sunday, BWI set a new record with a low temperature of +1 degrees and IAD dropped to -1 degrees - a new record. Yesterday was the 12th straight day with high temperatures of 35 degrees or lower in Washington, DC (DCA) and that hasn't happened since 1961 and only six times in the record-keeping era.
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