Showers and an occasional rumble of thunder may continue to create weather-related delays to outdoor activities later this week.
Rainfall so far this month is already outpacing the May average and the additional rain could send the monthly total close to or past the monthly average a week before it ends.
Humidity levels will spike on Wednesday as showers and thunderstorms become plentiful.
Temperatures on Thursday will climb into the upper 70s. Cooler air will arrive on Friday with highs around 70 degrees.
Temperatures will begin to trend higher as the Memorial Day weekend gets underway, but there can be a lingering shower or thunderstorm on Saturday.
Sunshine and dry conditions will return for Sunday and Memorial Day with temperatures each afternoon rising to near 80 degrees.
The tropical Atlantic has quieted down, but that may change in the coming days in the southwestern Gulf of Mexico's Bay of Campeche.
A change in the weather pattern will signal warmer, more summerlike conditions across the East Coast to bring in the new month.
After an earthquake hit in the area, a volcanic eruption occurred Friday in Iceland, resulting in a temporary no-fly order.
Labor Day weekend traditionally marks the unofficial end to summer, but the weather has another idea in mind around Harrisburg with a prolonged stretch of summer warmth underway.
Showers and thunderstorms will continue to threaten to interfere with outdoor plans around Pittsburgh through the remainder of this Labor Day holiday weekend.
An outbreak of severe weather, including a few tornadoes, threatens to ruin the holiday weekend across the North Central U.S. states.
Santa Cruz (1929)
Coastal Steamer San Juan (over 2,000 tons) was rammed off Pigeon Point near Santa Cruz, CA by the oil tanker S.C.T. Doss which was proceeding at "excessive speed in fog without sounding fog signals". 70 passengers and crew of San Juan drowned.
East Coast (1954)
Hurricane Carol hit with the single greatest property loss to date.
Raleigh, NC (1965)
46 degrees -- coldest ever in August.