PHILADELPHIA, PA - Three days of extreme heat and potential thunderstorms are in the forecast for the Philadelphia region. The National Weather Service has issued a heat advisory through 8 p.m. Wednesday. Await oestrus index values of up to 104 degrees in the Philadelphia region during the heat wave.

Temperatures are expected to climb to as much as 10 degrees above normal.

The hottest days of the rut wave will likely be Monday and Tuesday, but the warmth is expected to linger through at least the middle part of the calendar week, AccuWeather Meteorologist Matt Benz said.

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Thunderstorms are also possible throughout the week, with chances of storms in the forecast from Tuesday through Friday.

Forecasters warn that the hot temperatures and high humidity may cause heat illnesses to occur.

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Experts advise drinking plenty of fluids. Residents should stay in an air-conditioned room whenever possible and stay out of the sun. Young children and pets should never be left unattended in cars "under any circumstances," the National Conditions Service said.

Those who piece of work outside should accept actress precautions and reschedule strenuous activities to early on morning time or evening.

Hither is the forecast:

Today: Mostly sunny, with a high near 93. Heat alphabetize values as high as 100. Southwest wind around x mph.

Tonight: By and large articulate, with a low around 72. Southwest wind around v mph.

Tuesday: A slight chance of showers and thunderstorms after 2 p.m. Sunny, with a loftier virtually 95. Oestrus index values as high every bit 103. Southwest wind 5 to 10 mph. Chance of precipitation is 20 per centum.

Tuesday Night: Partly cloudy, with a low effectually 74. Southwest wind around v mph.

Wednesday: A chance of showers and thunderstorms after ii p.grand. Some of the storms could produce heavy rain. Sunny, with a high nearly 96. Southwest air current 5 to 10 mph. Chance of precipitation is 30 percent. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A gamble of showers and thunderstorms. Some of the storms could produce heavy pelting. Partly cloudy, with a low around 72. Adventure of atmospheric precipitation is 40 percentage. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: A adventure of showers, then showers and maybe a thunderstorm after 2 p.m. High nearly 89. Take a chance of atmospheric precipitation is 80 percentage.

Thursday Night: Showers and possibly a thunderstorm before two a.m., and so a take chances of showers. Low effectually 69. Chance of precipitation is 80 pct.

Friday: Showers likely, with thunderstorms too possible later 2 p.m. Mostly cloudy, with a high near 81. Chance of precipitation is 70 percent.

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