If you've stepped outside the past few days, you already know it's been hot.

Tuesday is expected to be even more dangerous.

The National Weather Service has issued an Extreme Heat Warning for parts of Southern Indiana, Western Kentucky, and Southern Illinois as heat index values are expected to climb between 110 and 116 degrees during the afternoon.

This is the kind of weather that goes far beyond uncomfortable. It's the kind of heat that can quickly become dangerous, especially for anyone spending extended time outdoors.

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Who Is Under the Warning

The Extreme Heat Warning is in effect from 11 a.m. to 7 p.m. CDT Tuesday for:

Indiana

  • Posey County
  • Spencer County
  • Vanderburgh County
  • Warrick County

Kentucky

  • Daviess County
  • Henderson County
  • McLean County

Illinois

  • White County

Dangerous Heat Can Become Life-Threatening

According to Warrick County Emergency Management, dangerously high temperatures combined with humidity will significantly increase the risk of heat-related illnesses.

Conditions like heat exhaustion and heat stroke can develop much faster than many people realize, particularly for:

  • Older adults
  • Young children
  • People working outdoors
  • Athletes
  • Anyone without reliable air conditioning
  • People with chronic health conditions

Read More: Heat Illness Symptoms You Should Know

How to Stay Safe

Officials recommend:

  • Drink plenty of water throughout the day.
  • Spend as much time as possible in an air-conditioned building.
  • Avoid direct sun during the hottest part of the afternoon.
  • Limit strenuous outdoor work or exercise.
  • Check on elderly relatives, neighbors, and anyone who may not have access to air conditioning.
  • Never leave children or pets inside a parked vehicle.

If someone begins showing signs of heat stroke, including confusion, loss of consciousness, or high body temperature, call 911 immediately.

Read More: These Common Medications Can Make The Heat More Dangerous

More Heat Resources

This warning comes as much of the Tri-State continues to experience an extended stretch of dangerous summer temperatures.

If you're looking for additional resources, including cooling centers and tips for protecting pets, be sure to check our related coverage.

Tip to Protect Pets from Summer Heat

With heat advisories in effect for a large portion of the country, now is the time to ensure you are prepared to keep your pets safe from the summer heat.

Gallery Credit: Kat Mykals

15 Things You Should Never Leave in Your Car During a Heatwave

From electronics to soda cans, these 15 items can melt, explode, or get ruined if left inside your car on a hot day.

Gallery Credit: Kat Mykals

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