The Lehigh Valley will experience unseasonably warm temperatures Tuesday and Wednesday before a cold front arrives Wednesday night with showers and thunderstorms.
High temperatures Tuesday are forecast around 80 degrees at the National Weather Service’s Lehigh Valley International Airport climate station. The Lehigh Valley’s record high for March 31 is 86 degrees, set in 1998. Another warm day is forecast Wednesday, but with highs not expected to challenge the April 1 record of 84 from 1978.
A southwest flow associated with high pressure off the East Coast is bringing warm air into the region through Wednesday, according to the weather service…