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CHICAGO — It’ll be dangerously hot Tuesday in and around Chicago, as it could feel as warm as 110 degrees in places.

The heat will worsen in the late morning and is expected to last all day. The city could feel as warm as 108 degrees, according to Chicago’s Office of Emergency Management and Communications. Suburbs to the west and south could feel like 110, according to the National Weather Service.

The National Weather Service has issued a heat advisory for noon-7 p.m. Tuesday, warning the high temperatures and humidity can cause illnesses like heat exhaustion and heat stroke.

People should limit their time outdoors and should never leave children or pets in unattended cars, according to the weather agency.

People should also look out for signs of heat stroke and heat exhaustion; if someone is overcome, people should call 911 and move the sick person into a cool, shaded place, according to the city and National Weather Service.

Heat stroke symptoms: body temperature of 103 degrees or higher; hot, red, dry or damp skin; fast, strong pulse; headache; dizziness; nausea; confusion; passing out, according to the Centers for Disease Control and Prevention.

Heat exhaustion symptoms: heavy sweating; cold, pale and clammy skin; fast, weak pulse; nausea or vomiting; muscle cramps; tiredness or weakness; dizziness; headache; passing out, according to the CDC.

How To Stay Safe

  • Drink fluids, including water, according to the National Weather Service. Avoid alcohol, caffeine and soda, according to the city.
  • Stay inside and in an air-conditioned room, if possible.
  • Wear lightweight and loose-fitting clothing, if possible.
  • Do not leave children or pets in unattended cars, even for a few minutes.

If You Don’t Have Air Conditioning

  • Keep your shades drawn and blinds closed but the windows slightly open, according to the city.
  • Keep electric lights off or turned down.
  • Minimize your use of the oven and stove.
  • Take cool baths and showers.

If You Have To Go Outside

  • Reschedule strenuous outdoor activities for the early morning or evening, according to the National Weather Service.
  • Stay out of the sun.
  • Drink fluids, especially water.
  • Rest frequently in shaded or air-conditioned environments.
  • Know the symptoms of heat stroke and heat exhaustion. Anyone overcome should be moved to a cool, shaded location and people should call 911 for them, according to the weather agency and city.

Check On Others

  • Check on relatives, friends and neighbors over the next few days, according to the city. The city emphasized checking on older people and people with disabilities.
  • If you can’t contact someone, you can request the city do a wellbeing check on them by calling 311 or submitting a request online or through the CHI311 app.


  • Do not leave pets in unattended cars, even for a few minutes.
  • Provide your dog with cool water, shade and monitor them when they’re outside, according to. Cook County Animal and Rabies Control. Short-coated animals and those with white or tan fur can get sunburn, especially on their noses, according to the agency.
  • Walk your dog on grass, dirt or gravel, and avoid asphalt and concrete, if possible.
  • Keep your indoor temperature cool and make sure your pet has water.
  • Make sure your windows have screens installed if you are going to open them.
  • In pets, the signs of heat stroke include fatigue, excessive panting, disorientation, lethargy, discomfort, seizures and collapse, according to the animal agency. Get help from a veterinarian immediately if your pet has these symptoms.

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