As the early season heat wave is expected to continue until Wednesday, Philadelphia and most of the surrounding areas have issued high temperature warnings.

National Weather Service initial Hot consultation Effective at noon on Saturday, it was originally scheduled to expire on Sunday night. However, as the hot and humid weather is expected to continue, the weather warning has been extended to 8pm on Monday night.

The high temperature warning is valid for all Philadelphia and Delaware counties, as well as parts of Bucks, Chester, and Montgomery counties. It also includes all Camden and Gloucester counties, as well as part of Burlington County.

On Monday, the temperature in parts of the region may reach as high as 99 degrees, and the heat index may even reach 100 degrees. According to the National Weather Service, the humidity in Philadelphia on Monday morning reached 88%.

The dew point is also expected to be higher, making people feel hotter than the thermometer reading. It is strongly recommended that residents drink plenty of water and stay indoors and away from sunlight as much as possible.

If you want to go for a walk and stay cool, a beach trip may be a good idea. The temperature in the coastal areas is expected to remain in the 1980s.

The heat wave is expected to continue until mid-week, with the temperature remaining around 90 degrees or above, and the heat index remaining around 90 degrees until Wednesday.

As the temperature is expected to only drop to more than 70 degrees, residents will continue to feel relief overnight. Sporadic showers and thunderstorms are expected for the rest of the week.

Below is National Weather Service’s complete forecast for the Philadelphia area In the next three days, as the heat wave continued.

on Monday: Most sunny days, the maximum temperature is close to 93. It was cloudy at night and the lowest temperature was about 73.
on Tuesday: There may be showers and thunderstorms after 2pm. Some storms may produce heavy rainfall. It is cloudy and the maximum temperature is close to 90. The probability of precipitation is 70%. There may also be showers and thunderstorms before 8pm. It is cloudy for most of the evening, with temperatures as low as 72 degrees. The probability of precipitation is 60%.
on Wednesday: There may be showers, and there may be thunderstorms after 2pm. Partly sunny, the highest temperature is close to 90. The chance of precipitation is 70%. There may be showers, and there may be thunderstorms before 8pm. There will be light showers and thunderstorms from 8pm to 2am, and light showers after 2am, mostly cloudy, as low as 71 degrees. The chance of precipitation is 60%.

As the heat wave swept the area, the temperature began to climb to more than 90 degrees on Saturday. On Sunday, temperatures in parts of Philadelphia climbed to the mid-1990s.

The past few days are usually much warmer than this time of year. According to the National Weather Service, the average temperature in the Philadelphia area in early June is usually around 80 degrees.