Dangerous heat will continue Friday in the Lehigh Valley while severe storms remain a possibility.
Temperatures will feel like 101 during the day in the region, and there is slight risk of severe weather between 3 and 11 p.m., according to the National Weather Service in Mount Holly, New Jersey.
Isolated or scattered severe thunderstorms are possible, with wind gusts being the main threat, forecasters said.
Heat index values of about 101 are possible, and that could be dangerous for sensitive individuals and those spending extended time outdoors. A high of 94 is expected, which could break the record of 92 last set on June 12, 2017, according to weather service data.
Dangerous heat is expected to end after Friday, when a cold front will knock temperatures down into the 80s over the weekend.
There is a possibility of more rain Sunday. Highs will drop into the 70s again early next week.
Here is the extended forecast from the National Weather Service:
Saturday: Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Sunday: Showers likely and possibly a thunderstorm after 2 p.m. Partly sunny, with a high near 87. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a 10th and quarter of an inch, except higher amounts possible in thunderstorms.
Monday: Mostly sunny, with a high near 78.
Tuesday: Mostly sunny, with a high near 78.
Wednesday: A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Thursday: Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.