The cool, less humid air that moved into Harrisburg and southern and central Pennsylvania Tuesday will stick around into Saturday.
Most days will be sunny. High temperatures around the metro area will be in the 70s with nighttime lows in the 50s to near 60 for outdoor activities and ball games.
The rural areas can get even cooler at night.
Some early-morning commuters from the suburbs along the Turnpike, I-81, 283 and other rural routes may encounter patchy fog and slow travel.
The next chance of rain is not until Sunday, when a reinforcing cool front arrives from the northwest. A few spots may get a shower or thunderstorm on Sunday, but most of the time through Sunday will be rain-free for outdoor plans. Sunday will also be warmer and a tad more humid.
More cool air will settle in for the first part of next week.
More clouds and cooler weather can be expected across the Bay Area through the holiday weekend and into the new week.
Cloudy skies and cooler weather will linger across the Los Angeles area through the holiday weekend and early in the new week.
It might feel more like late October rather than late May in the Northeast on Friday night as temperatures dip well below normal.
Memorial Day marks the unofficial start to summer and summer warmth will dominate the Northeast next week, but that does not mean an end to shots of cooler air.
Showers and thunderstorms threaten to interfere with Memorial Day festivities across roughly two-thirds of the United States.
Another round of downpours and thunderstorms will bring a renewed threat for flooding from Kansas to Texas over the Memorial Day Weekend.
Hallam, NE (2004)
The "Hallam" tornado touched on the ground for 2.5 miles and reached F4 status at it's peak intensity. 95% if the town of Hallan's buildings were damages or destroyed.
New Brunswick, NJ (1804)
Tornado destroyed 2 barns, 1 hotel and 3 houses. "The damage done in this village cannot be less than $1,500 or $2,000." New York Evening Post, June 5, 1904.
Waterville, ME (1832)
Kennebec Flood discharged 140,000 cubic feet of water per second -- high stage not equalled until 1901, and not exceeded until 1936.