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 middle 80s around here, the upper 80’s on Friday and near 90 degrees 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 middle 80’s tomorrow, and near the 90 degree mark on Friday and 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 low-to-mid 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 near 90 degrees 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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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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In the wake of a cold frontal passage, today will turn out to be mainly sunny, dry, and mild, but the unsettled weather pattern will bring us another shower threat on Wednesday and there can be a PM thunderstorm as well. The upper-level trough of low pressure that will generate our unsettled weather conditions at mid-week will hang around until the end of the week, but important changes will then take place this weekend. Upper-level ridging of high pressure that has been stuck over the western states in recent days will move eastward and reach the northeastern part of the nation by later in the weekend. In fact, this high pressure system will intensify markedly early next week and this can result in 90+ degree afternoon highs in the Sunday, Monday, Tuesday time period across some portions of the I-95 corridor. The big-time warm up is likely to be a 3-day affair and temperatures should return to more seasonal levels during the middle of next week.
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Much of the week ahead will be rather cool and unsettled across the northeastern part of the nation with a persistent upper-level trough of low pressure sitting nearby. This upper air pattern will keep temperatures generally suppressed to below-normal levels in the Great Lakes, Mid-Atlantic and Northeast US and there will be a shower threat from time-to-time. By the weekend, important changes will take place as the upper-level trough over the northeastern US retreats off to the northeast and an upper-level ridge of high pressure edges its way into the area from the western states. This ridge will intensify early next week, and the result could be 90+ degrees in the Sunday/Monday/Tuesday time period in places along the I-95 corridor. Looking beyond, it appears that the big-time warm up early next week will not last too much longer as a frontal system next mid-week is likely to return temperatures to more seasonal levels.
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