Low pressure will impact the Mid-Atlantic region from later today into the overnight hours with two threats on the table...severe weather and flash flooding. This low-pressure system will push eastward into southern Pennsylvania later today and end up over southern New England by late tonight. An upper-level jet streak will add fuel to the fire in the Mid-Atlantic region with strong upward motion that is destabilizing the atmosphere and thunderstorm coverage is increasing across western sections. Localized flash flooding can result from the “training” of thunderstorm cells meaning multiple storms may move over the same general area producing excessive rainfall amounts.
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Last week featured the first named tropical system of the 2026 season in the Atlantic Basin and while it brought flash flooding to portions of the southern US, it was little in the way of comparison to the first tropical system in June 1972. The official tropical season was barely underway in 1972 when a polar front interacted with an upper-level trough of low pressure over the Yucatan Peninsula. Within a few days, a tropical depression formed and the system moved slowly eastward and emerged in the western Caribbean Sea by the middle of the month. The depression began to intensify over the warm waters of the Caribbean Sea and soon became Tropical Storm Agnes – the first named storm of the 1972 tropical season. Ultimately, Agnes would reach hurricane status, grow to a diameter of about 1000 miles, and become the costliest hurricane at the time to hit the US and the Commonwealth of Pennsylvania was the prime focus of its wrath.
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The work week will start off on the wet side as low pressure heads in this direction from the Midwest. There will be occasional showers from this afternoon into Tuesday and multiple thunderstorms can be mixed into the picture. Some of the rain will be heavy and some of the storms can be severe and there is the threat of localized flooding as thunderstorms can develop in a “training” fashion meaning multiple heavy rain cells could move over the same general area. The rest of the week will feature moderately warm temperatures with no sustained high heat and humidity on the table despite it being officially the first week of the summer season.
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The work week will start off on the wet side as low pressure heads in this direction from the Midwest. There will be occasional showers from this afternoon into Tuesday and multiple thunderstorms can be mixed into the picture. Some of the rain will be heavy and some of the storms can be severe and there is the threat of localized flooding as thunderstorms can develop in a “training” fashion meaning multiple heavy rain cells could move over the same general area. The rest of the week will feature moderately warm temperatures with no sustained high heat and humidity on the table despite it being officially the first week of the summer season.
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The work week will start off on the wet side as low pressure heads in this direction from the Midwest. There will be occasional showers from this afternoon into Tuesday and multiple thunderstorms can be mixed into the picture. Some of the rain will be heavy and some of the storms can be severe and there is the threat of localized flooding as thunderstorms can develop in a “training” fashion meaning multiple heavy rain cells could move over the same general area. The rest of the week will feature moderately warm temperatures with no sustained high heat and humidity on the table despite it being officially the first week of the summer season.
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The weather looks to remain quite warm during the next few days with a peak in temperatures likely to come on Saturday afternoon when highs could reach the middle 90’s. The weather will be somewhat unsettled as well this weekend and into the early part of next week with scattered showers and thunderstorms.
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The passage of a frontal system on Thursday will pave the way for more in the way of comfortable temperatures for at least the next few days. Much of the weekend should turn out to be pretty nice though clouds will be on the increase later Sunday ahead of the next system. Low pressure will head this way from the Central Plains on Monday likely bringing some rain to the Mid-Atlantic region and possibly a thunderstorm or two.
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The passage of a frontal system on Thursday will pave the way for more in the way of comfortable temperatures for at least the next few days. Much of the weekend should turn out to be pretty nice though clouds will be on the increase later Sunday ahead of the next system. Low pressure will head this way from the Central Plains on Monday likely bringing some rain to the Mid-Atlantic region and possibly a thunderstorm or two.
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The passage of a frontal system on Thursday will pave the way for more in the way of fairly comfortable temperatures for at least the next few days. Much of the weekend should turn out to be pretty nice though clouds will be on the increase later Sunday ahead of the next system. Low pressure will head this way from the Central Plains on Monday likely bringing some rain to the Mid-Atlantic region and possibly a thunderstorm or two.
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The weather should remain pretty consistent during the next several days with warm and humid conditions, afternoon highs well up in the 80’s, and a daily shot at showers and thunderstorms. The best chance for rain will come on Sunday and Monday as a frontal system heads this way from our northwest.
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