A severe thunderstorm watch is in effect until 9 p.m. Tuesday.
Any showers and thunderstorms can contain heavy rain, strong winds and hail into the evening hours.
Wednesday will be much cooler with plenty of clouds as afternoon highs hold in the lower 70s.
There can be a shower or thunderstorm during the morning. A lingering shower or thunderstorm can occur south and west of the Lehigh Valley in the afternoon.
Thursday also looks cool with highs in the upper 60s under mostly cloudy skies.