AccuWeather: Oppressive, Dangerous Heat and Humidity Today

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David Murphy with AccuWeather during Action News Mornings on June 18, 2018. (WPVI)

TODAY: Dangerous heat and humidity are in store. Look for partly sunny skies with a high of 96 (tying the old Philadelphia record form 1957) and heat index values over 100 at times.

HEAT ADVISORY: This is in effect in all counties away from the Shore from noon to 8 p.m. today, with a dangerous combination of heat and humidity. Cool drinks, a/c, shady breaks, light loose-fitting clothing will all be crucial. Senior citizens and young children are at special risk and should avoid the heat, remaining in the a/c. If a/c is not available, keeping fans on to circulate the air and drawing shades on the sunny side of the house will be important, along with lots of cool water and juice.

AIR QUALITY ALERT: A Code Orange Ozone Action Day is in effect with air pollution at levels that could compromise those of you in at risk groups like seniors, young children and people who suffer from asthma and heart and lung conditions. Limiting exposure and exertion between the hours of noon and 6 p.m. when the ground level ozone is at its worst is best. The rest of us can help by not filling the car between the hours of noon and 6 p.m. and holding off using gas-powered mowers between those hours, as well.

TONIGHT: A few very spotty showers and thunderstorms are possible overnight, but we're mainly dry. It's still muggy. The low is a very warm 77.

TUESDAY: A spotty shower is possible early in the morning, but otherwise, we are dry with humidity levels dropping later in the day. The high is also not as intense: 89.

WEDNESDAY: Look for partly sunny skies, lower humidity and a pleasant high of 82.

THURSDAY: It's still partly sunny, seasonable and nice. Our high: 84.

FRIDAY: Sun mixes with some clouds and we get another nice afternoon high around 80.

SATURDAY: Clouds give way to some sunny breaks. It's still relatively nice. Our high is 79.

SUNDAY: A stray morning shower is possible along with a thunderstorm with another shower or thunderstorm possible again in the afternoon. The high is 85.

MONDAY: Clouds mix with sun. It's humid with a high around 86.
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