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Scorching Week Ahead for St. Louis

18 Aug 2014, 5:42 pm

St_Louis_night_expblend
Photo credit: Daniel Schwen, Wikipedia

It’s been a relatively cool summer in the Midwest, but things are about to get hot in parts of the region — very, very hot.

Temperatures are likely to rocket into the middle 90s in the coming days, and upper 90s — in the St. Louis metro area — aren’t totally out of the question.

In addition to the high temperatures, dew points — the most basic measure of the moisture in the atmosphere — are likely to be in the mid-to-upper 70s in the St. Louis area. And, unfortunately, they’ll be increasing as the week wears on. As dew points go: Anything above 60 is noticeable, 70 or above is oppressive and 75-or-above is “insert-expletive-here-level” humidity.

In other words, get ready to sweat for that 20-second walk to the car this week.

The combination of high heat and oppressive humidity has prompted the National Weather Service to issue an excessive heat watch for the city, from Wednesday through Sunday. But as we all know, in this part of the country, it’s not necessarily the heat that makes life miserable — it’s the humidity.

Spreading from west to east, a ridge of high pressure will allow warm, moist air from the Gulf of Mexico to advect north, further spreading the oppressive heat and humidity from the south and into the area.

It’s not just St. Louis that’ll see the heat, though. Nashville’s temperatures will soar into the upper 90s as well, with the worst coming by the end of the week and into the weekend. A large swath of the Southeast will see temperatures close to the highest they’ve seen all summer by the weekend.

Remember to stay hydrated and limit strenuous outdoor activity. Additional advice: get up an hour earlier for that morning run and wear light-colored clothing!

As always, we’ll keep you posted with all the latest right here on WeatherNation and www.WeatherNationTV.com.

 

Meteorologist Chris Bianchi

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