AccuWeather: Humid Holiday Weekend with Some Downpours

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Cecily Tynan reports on AccuWeather during Action News at 6 p.m. on May 25, 2018. (WPVI)

It certainly felt like summer today! Highs climbed up to 86 degrees on southwesterly winds behind departing high pressure.

TONIGHT: We're clear and relatively comfortable with a low of 68. Humidity ramps up overnight.

SATURDAY: We start off with sun mixing with clouds and a very muggy air mass. By the afternoon, thunderstorms will be bubbling up likely starting in the western areas and then progressing eastward through the late afternoon/evening as upper-level energy rolls through helping to trigger them. Temps should reach 88 in Philadelphia, 79 at the shore. But, with such high humidity, it will certainly feel like the low 90s inland.

SUNDAY: A so-called "backdoor" cold front approaches the area from the northeast and pushes through. Along the way, we'll see an even better chance of showers and thunderstorms. Drenchers are again possible at times, thanks to our very humid air mass. From Saturday night through Sunday, a general .5" to 1" of rain is likely across the region with some areas going higher, especially where you get thunderstorms. Highs hit 80 in Philadelphia and 75 at the Shore. This will probably be the worst day of the holiday weekend for most of us.

MEMORIAL DAY: It's possible that our front has pushed to the south, which limits precipitation to an early stray shower or two, but holds low-lying cloud cover in place during the morning. But, drier air likely works in during the afternoon, bringing in lowering humidity levels and the return of sunshine. The high slips to 78 in Philadelphia and around 70 at the shore.

TUESDAY: Overall, this looks like a partly sunny day with a warmer high of 88.

WEDNESDAY: We're not as warm, but still nice with a mix of clouds and sun and a high of 81.

THURSDAY: More clouds roll into the area along with some occasional showers. The high is 76.

FRIDAY: This looks like another mostly cloudy day with more showers possible at times. The high: 79.
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