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Lehigh Valley heat: Temperatures near 100 this week

A ridge of high pressure will bring hot, humid conditions starting Tuesday, with the peak of dangerous heat expected Wednesday.

Published Jul 13, 2026, 8:59 AM EDT | LehighValleyLive

Hot and humid conditions are forecast Tuesday through Friday in the Lehigh Valley, with high temperatures ranging from the upper 80s to near 100 degrees and heat index values as high as 103.