Cooler, less humid air will settle over the Philadelphia area into the weekend.
Abundant sunshine is in the offing Sunday and high pressure will settle eastward.
After a cool start, a warmer afternoon is in store for Father's Day.
Very warm and humid conditions will build over the region during much of next week.
How warm it gets will depend on the amount of sunshine and where complexes of thunderstorms wander each day from the Midwest.
A strong, powerful tornado moved across north-central Kansas on Wednesday evening, leaving damage to homes and property in its wake.
As millions prepare to take part in Memorial Day weekend events, showers, storms and a potential tropical system could threaten outdoor activities and travel plans during the extended weekend.
Summerlike warmth will make it feel like the 90s F at times in the eastern United States through Memorial Day weekend, despite localized rainfall.
An area of showers and thunderstorms near the Bahamas has the potential to develop into a tropical system and impact part of the East Coast of the United States during Memorial Day weekend.
The threat for severe weather, including tornadoes and flash flooding, will expand across the central United States through the end of the week.
As summer approaches, sun protection becomes a vital part of daily activity.
New England (1967)
(25th-26th) Coastal New England battered by a great Nor'easter. Winds mounted to 70-80 mph on the coast. Blue Hill had sustained winds of 60 mph and Logan had sustained winds of 50 mph. Lowest pressure of 29.30" was measured over the ocean; 5-10" of snow fell in the Berkshires with considerable damage to the tobacco crop in the Connecticut River Valley. Temperature dropped to 31 degrees at Pittsfield on the 30th for a remarkable end of May freeze.
Cut Bank, MT (1982)
35 degrees with a mix of snow and rain. The high temperature from the previous day was 78.
Erie, PA (1991)
One-half inch of rain fell in only 5 minutes.