A cold front will grudgingly slide through the region today and then stall just to our south at the end of the week. There can be a shower or thunderstorm at just about any time today and tonight and some of the storms that form can be on the strong side. The threat of showers and thunderstorms will diminish some on Friday and then increase again this weekend as disturbances ride along the stalled-out frontal boundary zone. The weekend will not be a total washout, however, as there should be plenty of rain-free time. An unsettled weather pattern early next week will bring us a good chance of showers and thunderstorms on Monday, Memorial Day, and likely Tuesday as well.
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Yesterday and today featured plenty of sunshine in the Mid-Atlantic region with very warm and rain-free conditions – not too common in recent weeks – and the dry weather is about to change. The approach of a cold front will bring about an increased chance of showers and thunderstorms this evening across the Mid-Atlantic region and the threat of rain will continue on Thursday and Thursday night. Any thunderstorm in this stretch between this evening and tomorrow night can be on the strong-to-severe side with heavy rain, gusty winds and perhaps even some hail. The period between Friday and Sunday will likely feature some shower activity, but the weekend will not be a total washout. Looking ahead to Monday, Memorial Day, an unusually strong upper-level low for late May will be pushing in this direction and the holiday may turn out to be quite wet in the Mid-Atlantic region.
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Today will be another day featuring abundant sunshine and very warm conditions with temperatures climbing well up into the 80’s for afternoon highs throughout the Mid-Atlantic region. High pressure will be the main player through today, but an approaching cold frontal system later tonight will turn out to be a dominant player for the remainder of the week and weekend. This front will grudgingly slide across the region on Thursday and then stall just to our south at the end of the week ultimately allowing disturbances to track along its boundary zone.
As a result, the chance of showers and thunderstorms will increase here by this evening and the threat will continue on Thursday and Thursday night…any thunderstorm that forms in this stretch can be on the strong side. The threat of showers and thunderstorms will diminish some on Friday and then increase again on Saturday and Sunday; however, the weekend does not look like a washout. Additional disturbances will ride along the stalled-out frontal boundary zone into early next week and there is a good chance of showers on Monday, Memorial Day, and perhaps thunderstorms as well.
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Today and tomorrow will feature plenty of sunshine and quite warm conditions around here with temperatures climbing well up into the 80’s for afternoon highs. High pressure will be the main player through Wednesday, but an approaching cold frontal system on Wednesday night will turn out to be the dominant player for much of the second half of the week and also the upcoming weekend. This front will reluctantly slide across the region on Thursday and then stall just to our south at the end of the week ultimately allowing disturbances to track along its boundary zone during the weekend and also the early part of next week. As a result, the chance of showers and thunderstorms will increase here later Wednesday night and continue on Thursday…any thunderstorm later Thursday can be on the strong side. The threat of showers and thunderstorms will continue on Friday, Saturday, and Sunday - thanks to the active and nearby stalled-out frontal boundary zone - and the chance of rain can even last into Monday, Memorial Day.
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The number of tornadoes across the nation has surged in the last four weeks to overall levels that are now well above normal for the current time of year. One of the catalysts for these severe weather outbreaks has been the continuation of colder-than-normal air masses that have been dropping south and east from Canada into the US and this has set up “battle zone” regions when interacting with warm, humid air flowing northward from the Gulf of Mexico. In addition, there have been and will continue to be multiple waves of energy riding across the northern US enhancing upward motion in many of these severe weather cases. This active weather pattern will continue through the rest of May and Tuesday afternoon and evening may feature yet another severe weather outbreak including tornadoes across portions of Wisconsin, Illinois, Iowa, and Missouri.
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The next couple of days will be dominated by a high pressure system that will build across the Mid-Atlantic region providing us with partial sunshine today and likely a full day of sunshine on Tuesday…quite a rarity in recent weeks. A cold frontal system will approach the area at mid-week and likely stall nearby later in the week causing unsettled conditions to return to the area. After a rain-free next couple of days, the threat of showers and thunderstorms will increase later Wednesday and especially on Thursday given the close proximity of the frontal system. Temperatures will be consistently on the warm side this week with highs today well up in the 70’s and the 80’s will be commonplace for much of the remainder of the week.
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Weak high pressure will build down into the region today from the northeast and it will help to contribute to a relatively cool next couple of days with plenty of clouds in the Mid-Atlantic. While showers are possible later tonight, Saturday morning and mid-day, the second half of the weekend looks to be rain-free and some sunshine is likely to return on Sunday. Temperatures on Saturday will likely hold in the 60’s for highs, but then reach the low-to-mid 70’s on Sunday with the expected return of some sunshine.
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Slow-moving low pressure will meander offshore today, and its close proximity will result in plenty of clouds for the region and there can be an isolated shower or two. Weak high pressure is to build down from the northeast on Friday and it’ll play a role in cooler-than-normal conditions expected here for the weekend. While there can be plenty of clouds this weekend and perhaps some passing showers on Saturday, neither weekend day will be a washout and there should be plenty of rain-free time to go along with those cool conditions.
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Slow-moving low pressure will slide to our south and east during the next 24 hours and produce cool, damp conditions in the I-95 corridor with an onshore flow of air. Weak high pressure is to push in on Friday providing a break in the action, but another slow-moving low will bring us a threat for rain on Saturday and Sunday as the overall active weather pattern continues across the nation.
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Slow-moving low pressure will impact the region with periods of rain from later today into Thursday and there can be a couple of thunderstorms mixed in as well. This system will slide to our south and it’ll finally give way to weak high pressure at the end of the week. Another period of unsettled weather is coming this weekend with additional rain likely in the Mid-Atlantic region.
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