Temperatures and humidity levels around Pittsburgh will remain at typical levels for the middle of summer into the middle of the week.
Highs will be within a couple of degrees of 90 F Tuesday and Wednesday. AccuWeather RealFeel® temperatures will reach well into the 90s for a few hours during the afternoons.
Increasing humidity and warmer temperatures will set the stage for some thunderstorms. Much of the activity will be limited to the afternoon and will generally occur over the mountains to the east through Tuesday.
Thunderstorms that move through on Wednesday afternoon have the potential to be strong, as a cold front approaches the region.
Cooler, drier air will work in behind the front and conditions will become notably less humid with plenty of sunshine by week's end.
By AccuWeather.com Meteorologist Chyna Glenn
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Residents from the Gulf Coast to the interior South continued to bare the brunt of damaging impacts from Cindy on Thursday, including dangerous surf, flash flooding, tornadoes and strong winds.
After temperatures soared to 29-34 C (84-94 F) across Germany late this week, a welcome period of more seasonable conditions is on the horizon.
While a surge in warmth and humidity will lead to downpours and gusty storms in the northeastern United States into early Saturday, much cooler air will soon follow.
A magnitude 6.8 earthquake struck off the coast of Guatemala around 6:31 a.m. Thursday (8:31 a.m. EDT), the U.S. Geological Survey reports.
Even though Cindy is inland and weakening, the risk of flooding and severe thunderstorms will continue along the central Gulf Coast and part of the interior South.
Cindy made landfall early Thursday morning along the border of Texas and Louisiana.
The longest heat wave in more than 20 years in the United Kingdom peaked on Wednesday with temperatures again topping 32 C (90 F) in parts of southern England.