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Heat advisory continues for Lehigh Valley as ‘dangerous’ hot and humid conditions persist

Children from the Allentown Summer Playground Program run through an open fire hydrant Friday, June 21, 2024, at Union Terrace Elementary School field in Allentown. (Emma Reed/첥Ƶ)
Children from the Allentown Summer Playground Program run through an open fire hydrant Friday, June 21, 2024, at Union Terrace Elementary School field in Allentown. (Emma Reed/첥Ƶ)
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It will be another scorcher in the Lehigh Valley on Saturday as “dangerous hot and humid conditions” persist across the region, according to the National Weather Service.

A heat advisory issued by the weather service is in effect until 8 p.m.

Despite increasing cloud cover throughout the day, dewpoints will remain well into the 70s, according to the weather service forecast discussion. High temperatures will be in the low 90s, but the humidity will send heat index values to around 100.

People are reminded to take precautions to stay safe in the heat. If you must go outdoors, limit strenuous activities to the early morning and evening hours and wear lightweight and loose fitting clothing. Drink plenty of fluids, stay in an air-conditioned room and check up on relatives and neighbors.

While the heat persists, no additional showers or thunderstorms are expected, and skies will remain partly cloudy the rest of the day.

Sunday is looking mostly sunny, but hot, with a high in the low 90s.

Here is the extended forecast from the National Weather Service:

Sunday: Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph.

Sunday Night: Partly cloudy, with a low around 69. Calm wind.

Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.

Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%.

Tuesday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 91. Chance of precipitation is 50%.

Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.

Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.

Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

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