While some clouds will return to the Harrisburg, Pennsylvania, area this weekend, rain will avoid much of the area Sunday.
A wedge of dry air along I-95 and part of the I-81 corridor will fight to keep rain away.
The cool air that expanded from the Midwest will stick around Sunday.
Despite some cloud cover and lower-than-average temperatures for July, the weather will be ideal for most outdoor activities around Harrisburg. However, for people heading to the shore, a weak tropical system over the Atlantic could bring rain for a time. There is a risk of showers and thunderstorms moving northward over the Appalachians west of Harrisburg later this weekend.
Temperatures at night into the weekend will dip into the upper 50s in the countryside but will stop in the 60s in urban areas and at the beach.
The risk of thunderstorm activity will increase next week as temperature and humidity levels trend upward. Depending on the amount of sunshine, 90-degree temperatures could return for a few days.
Ignacio has rapidly strengthened into a major hurricane as it tracks toward the Hawaiian Islands.
While Erika has weakened to a tropical rainstorm, Florida will still become the target of potentially flooding downpours during the final days of August and start of September.
The 2015 US Open Tennis championships begin Aug.31 and heat and humidity will return for to the Big Apple for the tournament's first week.
As many as seven tropical cyclones were churning throughout the world this past week, while smoke from wildfires across the Pacific Northwest led to poor air quality across the region.
Summer heat makes a comeback across a large part of Europe as drenching thunderstorms soak other areas.
Heat will linger in Eastern Europe for much of the fall season; meanwhile, the British Isles and northwestern Europe can expect a stormy end to the season.
New England (1816)
"Year in which there was no summer", otherwise known to weather historians as "1800 and frozen to death" killing frost once again damages sparse corn corp in northern New England...loss of this and other crops led to severe famine in much of New England that winter...and helped spur western migration in spring of 1817.
New England (1965)
A total of 2.5 inches of snow on top of Mt. Washington set an August record. Vermont had a reading of only 25 degrees, while Nantucket had a chilly 39 degrees. Earliest freeze on record at many stations.
Houston, TX (1980)
2.23 inches of rain fell in less than 1 hour. Streets were flooded in the downtown district and a tornado touched down briefly west of Houston at Sealy, TX.