Extreme Heat Wave Expected to Hit St. Louis Area Through Sunday

The entire Metro St. Louis area is under a heat advisory until Sunday morning. Residents urged to stay inside as much as possible and take extra precautions.

Dangerous levels of heat will blanket the St. Louis region from Thursday through Sunday, according to National Weather Service (NWS). 

Residents can expect record-breaking temperatures reaching as high as 105 degrees on Thursday. On Friday, temperatures are expected to be cooler around 100 degrees. However, humidity will keep it feeling like 105. 

The last time this degree of heat was felt in June for three or more consecutive days in this area was more than 60 years ago, according to NWS, which also said there is a possibility temperatures could rise to 105 degrees or more again on Sunday and continue into next week.

Humidity vs. Real Heat

According to area meteorologists, Thursday will be the hottest day in this heat attack. But days following will be more humid causing it to feel just as hot. So what's the difference? When the humidity is high, sweat doesn't evaporate as much, and so our body loses some of the cooling effect that the evaporation of sweat provides.

Looking Ahead

The National Weather Service website states that an advisory is issued whenever temperatures and humidity make it feel like 100 degrees for a string of four days or more. Temperatures for the rest of the week and into next week, will remain at 100 degrees or more.

  • Wednesday: Sunny and hot, with a high near 99 degrees.
  • Thursday: Sunny and hot, with a high near 107 degrees.
  • Friday: Sunny and hot, with a high near 104 degrees.
  • Saturday: Sunny and hot, with a high near 101 degrees.
  • Sunday: Mostly sunny and hot, with a high near 101 degrees.

Cooling Off

The NWS also states that heat-related illnesses are a real threat, especially for small children, the elderly, those working outside and others with health conditions.

Should you need cooling assistance, people in the St. Louis area can get information about cooling centers or energy assistance by calling the United Way at 800-427-4426. You can also dial 2-1-1 from a landline phone to reach the United Way.

The number for Cool Down St. Louis is 314-241-7668.

Beat the Heat

Below are a few tips for beating the heat:

  • Stay in air-conditioned areas as much as possible.
  • Consume lots of water.
  • Wear light-colored clothing outdoors.
  • Avoid cotton clothing and opt for fabrics that allow your skin to breathe, better enabling it to cool off.
  • If you need to run errands, do so early in the morning. 6 a.m. tends to be the coolest part of the day.

Be a Shepherd

Be sure to check on loved ones, friends and family. If you know a senior citizen, be sure to call or stop by and ensure they are using air. If they don't have a window unit or central air, offer a room for them until the evening when it's cooler or get them somewhere they feel comfortable, that is also air conditioned.

Also be sure to check on any person who may have a disability to ensure they are doing well in the heat.

Deb Henderson June 28, 2012 at 03:35 PM
Farmers' Market Heat Tip: Shop early in the morning, drink plenty of water, and rest in the shade as needed. Local produce is abundant. Free Ice Water is available for shoppers at the Clayton Farmer's Market!


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