PHILADELPHIA, PA – Today is the start of an anticipated heat wave in Philadelphia.
Today will be mostly sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind 10 to 15 mph. The chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 3 pm. Some of the storms could produce gusty winds and heavy rain.
Thursday night, a chance of showers and thunderstorms before 2 am is possible.
Mostly cloudy, with a low of around 76. Southwest wind 5 to 10 mph. The chance of precipitation is 50%. New rainfall amounts between a tenth and a quarter of an inch, except higher amounts possible in thunderstorms.
Mostly sunny and hot, with a high near 99. Heat index values as high as 106. West wind 5 to 10 mph.
The National Weather Service has issued a Heat Advisory, which will remain in effect from 11 AM Thursday until 6 AM EDT Friday. During this period, heat index values are expected to reach up to 104, posing a risk for dangerously hot conditions. Additionally, an Excessive Heat Watch is also in effect, starting from Friday morning and extending through Friday evening, for portions of northern Delaware, central, northern, and southern New Jersey, as well as southeast Pennsylvania. The Excessive Heat Watch warns that heat index values could soar up to 106, creating potentially hazardous conditions.
The impact of this intense heat and humidity can significantly increase the potential for heat-related illnesses, especially for those engaged in outdoor activities or working in exposed environments. It is essential for everyone to take precautions and stay mindful of the health risks associated with such extreme temperatures.
Moreover, even after the Heat Advisory and Excessive Heat Watch have expired, residents should remain cautious, as heat index values of up to 103 degrees may still be possible on Saturday.
To ensure personal safety during this heatwave, it is vital to stay hydrated, seek shade or air-conditioned spaces whenever possible, and limit strenuous outdoor activities, especially during the peak heat hours. Keep an eye on weather updates and follow guidance from local authorities to protect yourself and others from heat-related illnesses.