High pressure off the east coast will control the weather through tomorrow and temperatures will soar to 90+ degrees in many spots along the I-95 corridor. Clouds will tend to increase on Saturday as a frontal system approaches the Mid-Atlantic region and showers and thunderstorms are possible at night. While there can be some lingering shower on Sunday, much - if not all - of the day should be rain-free to close out the weekend. Quite warm and dry weather should dominate the scene early next week as a new high pressure system takes control in the Mid-Atlantic region.
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Warmer air has pushed into the Mid-Atlantic region on the backside of high pressure that is headed to the western Atlantic Ocean. Temperatures today should reach the upper 80s around here, the lower 90’s on Friday and the low-to-mid 90’s on Saturday. An upper-level trough of low pressure will approach the area later this weekend and bring us the chance of showers and thunderstorms on Saturday night. The threat of showers will continue on Sunday…maybe a PM thunderstorm…but much of the day should be rain-free.
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High pressure has settled over the Tennessee Valley and it’ll shift to the western Atlantic Ocean over the next few days. This re-positioning of the high pressure will open up the door for much warmer air to push into the Mid-Atlantic region as low-level southwesterly flow develops on the back side of the high pressure system. Temperatures today should approach the 80 degree mark for afternoon highs and then likely reach the mid-to-upper 80’s tomorrow, 90 degrees on Friday and the lower 90’s on Saturday. By later Sunday, the chance for showers and thunderstorms will increase in the Mid-Atlantic region as low pressure heads in this direction from the Great Lakes. It’ll likely stay unsettled and turn cooler on Monday and Tuesday of next week with a continuing chance of showers.
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High pressure will settle over the Tennessee Valley over the next couple of days and then slide to coastal areas by later in the week. This pattern will open up the door for much warmer weather to push into the Mid-Atlantic region as southwesterly flow develops on the back side of the high pressure system. Temperatures today should hold in the comfortable middle 70’s for afternoon highs and then approach the 80 degree mark on Wednesday. By the end of the work week and first part of the weekend, high temperatures in the lower 90’s will be likely and then the warmth will slacken off a bit on Sunday as clouds and rain chances increase by later in the day. Low pressure will move in this direction from the Great Lakes late in the weekend and it’ll likely stay unsettled on Monday and Tuesday as well with a continuing chance of showers.
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The week starts off with an upper-level trough over the northeastern states and a comfortable air mass is still in place. A couple of weak systems will pass by during the next couple of days, but it’ll likely stay on the dry side with high pressure in control. Much warmer weather is likely to arrive in the Mid-Atlantic region later in the week and we’ll also have to watch for a spinning low pressure system that should remain just off the coast.
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Strong high pressure over the Great Lakes will control the weather in our area right into the early part of next week and there will be a cold frontal passage in tonight’s overnight hours. The incoming Canadian air mass for the weekend and early part of next week will be cooler-than-normal for this time of year, but still quite comfortable. By Tuesday and Wednesday of next week, shortwaves to our north and west will try to rotate into the Mid-Atlantic region increasing the chance of showers on both days.
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Strong high pressure over the Great Lakes will head in this direction and control the weather scene around here right into at least the early part of next week. The incoming air mass will be noticeably drier than recent days and cooler-than-normal; however, cooler-than-normal this time of year is quite comfortable. After the occasionally heavy showers of yesterday, it looks like it’ll be rain-free from today through at least the early part of next week with the strong high pressure system in full control.
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It stays on the unsettled side for another day in the Mid-Atlantic region with mainly cloudy skies, occasional showers, and maybe a thunderstorm…some of the rain can be briefly on the heavy side. High pressure from the Great Lakes will head this way for the late week and dominate the weather picture into early next week and it’ll turn noticeably drier compared to recent days. Temperatures will be cooler-than-normal, but that is on the comfortable side given the time of year and there should be an abundance of sunshine each day from tomorrow through Monday.
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El Nino is on the way, and it looks like it will be a strong event...
The equatorial Pacific Ocean is transitioning into El Nino conditions (i.e., warmer-than-normal sea surface temperatures) and signs point to a strong event by the summer and fall seasons with big implications on tropical activity in the Atlantic Basin. Looking ahead, it appears this El Nino event may even last into the upcoming winter season of 2026-2027 which no doubt would have some implications across the continental US.
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After our damp and chilly weekend, the weather will turn warmer today across the Mid-Atlantic region and there will be some shower activity in many areas to the south of the PA/MD border. The unsettled weather pattern can bring showers to all areas of the Mid-Atlantic later tonight and on Wednesday, but then it turns drier again for the late week, and the weekend is looking quite nice from this vantage point.
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