The unseasonably warm conditions in the Mid-Atlantic region will continue for one more day and many spots today will challenge their daily high temperature record. It’ll remain on the warm side on Friday and Saturday, but not quite the record-challenging warmth experienced here during the past couple of days. The warmer weather pattern breaks down over the weekend as a strong surface cold front heads toward the eastern states at the same time intense high pressure ridging along the coast slides to the east. The front will bring with it a good chance of much-needed shower activity on Saturday night and Sunday and it’ll usher in a much cooler air mass to close out the weekend and start the new work week. In fact, temperatures late Monday night/early Tuesday are likely to drop way down in the 30’s which could prompt frost and/or freeze advisories for portions of the Mid-Atlantic. Temperatures rebound by mid-week, but an overall pattern change will bring additional colder-than-normal air masses to the central and eastern states during late April.
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The significant warmup in the DC metro region will continue for another day with temperatures soaring today to the low-to-mid 90’s and there can be record highs observed in some spots. The unseasonably warm weather pattern will breakdown this weekend with the arrival of a strong cold front on Saturday night. This frontal system will bring with it a good chance of much-needed shower activity in the Mid-Atlantic region on Saturday night and Sunday and it’ll turn much cooler for the early part of next week. In fact, temperatures late Monday night/early Tuesday could drop into the middle 30’s across the area and frost/freeze advisories may be required…a quick rebound in temperatures for the mid-week.
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Our significant warmup continues for the next two days and there can be daily high temperature records set in some areas along the I-95 corridor. A band of showers and thunderstorms developed late yesterday and impacted parts of northern Maryland last evening and a repeat performance can take place late today/early tonight. The unseasonably warm weather pattern will begin to breakdown this weekend and a strong cold front will approach the area by Saturday night/Sunday bringing with it a threat of showers. Much cooler air pushes into the northeastern states for the early part of next week and temperatures could drop into the middle 30’s late Monday night/early Tuesday morning.
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A significant warmup began in the eastern states on Monday and the next few days will feature unseasonably warm conditions in the Mid-Atlantic region with record high temperatures a possibility in some areas. The warmup will last through the work wee, but then a strong cold front will approach the east coast by Sunday paving the way for a colder-than-normal air mass to reach the northeastern states by the early part of next week. This may not be the end of the chillier air masses as signs point to additional outbreaks from Canada as we progress to the last week of April.
In terms of (much needed) rainfall, a complex of showers and thunderstorms developed in the overnight hours over the Great Lakes and some of this activity will likely re-develop later today in the Mid-Atlantic region. The chance of showers and thunderstorms later today will be primarily to the north of the PA/MD border; however, an impact across our northern suburbs cannot be ruled out.
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Most have been waiting for this kind of warmup in the eastern states following several false starts this season, but this may end up being a little too much on the extreme side. Not only are daily high temperature records in jeopardy this week in the Mid-Atlantic region with 90+ degrees on the table, but a few spots could experience their highest April temperatures ever recorded although it will be tough to beat the heat wave of April 1976. This warmup should last well into the upcoming weekend, but there are strong signs that another chilly air outbreak is destined to reach the northeastern part of the country by early next week. In fact, there are signs that additional colder-than-normal air masses will impact the central and eastern states during the last week of April at the same time a teleconnection index known as the Madden-Julian Oscillation or MJO shifts into a colder-than-normal phase for this time of year.
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Record-breaking warmth possible this week…
A significant warmup is coming to the eastern states this week with temperatures climbing to near 80 degrees around here today and then 90+ degrees is possible on Tuesday, Wednesday, and Thursday. The weather pattern has been quite dry in recent days across the eastern US and it’ll be hard to come by any decent rainfall this week with just a chance of a shower from time-to-time.
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The work week will end with clouds this morning giving way to some sun for the afternoon and it’ll turn noticeably warmer compared to recent days ahead of the next cool front. That front comes through the region later tonight and temperatures on Saturday will be a tad lower than today and northwest winds will kick up at times. Looking ahead, a significant warmup is expected for the early and middle parts of next week. Temperatures should climb well up into the 80’s on Monday for afternoon highs and then a flirtation with the 90-degree mark is possible on Tuesday, Wednesday and Thursday.
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The day will start off on the frosty side in many areas, but it’ll turn a bit milder this afternoon with plenty of sunshine and light winds. It turns even milder on Friday ahead of the next cold front and there can be an isolated shower on Friday night. The weekend will start off a bit cooler and breezy on Saturday and then quite mild on Sunday…both days featuring plenty of sunshine. Looking ahead, the weather turns much warmer next week with the low-to-mid 80’s on the table for Monday for afternoon highs and perhaps a flirtation with the 90-degree mark by Tuesday afternoon.
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It remains colder-than-normal today on the heels of secondary cold frontal passage on Tuesday morning with temperatures some ten degrees or so below the average for this time of year. Temperatures later tonight can drop to the low-to-mid 30’s in many suburban locations and patchy frost is indeed possible. It turns milder by the end of the week and we are setting up for a pretty nice weekend in the DC metro region featuring sunny, dry and warm days. Much warmer weather is on the way for next week in the Mid-Atlantic region.
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One cold front slipped through the region on Sunday and a secondary will push through this morning and it’ll usher in even colder air than its predecessor. Temperatures today will be confined to the lower 50’s for afternoon highs which is about ten degrees below the normal for this time of year. With clear skies tonight, diminishing winds, and high pressure moving nearby, conditions will be quite favorable for temperatures to drop to near freezing in many suburban locations so prepare if there are sensitive plants out there (cover just before sunset with a light sheet or burlap). It stays quite chilly on Wednesday and temperatures could drop into the low-to-mid 30’s late Wednesday night/early Thursday and patchy frost is possible. Noticeably warmer weather returns to the Mid-Atlantic region late in the week and we may be setting up for a nice weekend with sunny, dry and warm days.
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