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The sun in a hot, yellow sky

Heat advisory in effect until Thursday night

The National Weather Service has issued a heat advisory from noon today to 8 p.m. Thursday.

Hot temperatures and high humidity may cause heat illnesses to occur, according to the weather service.

Anyone who needs a place to cool down is encouraged to visit one of the Johnson County Library’s 14 branches.

Libraries offer many services in addition to a cool place to rest and restore. You can read books, magazines and newspapers, access the internet–including a wide variety of eResources–or participate in a virtual event.

Library hours vary by location. Call 913-826-4600 to check hours of operation for your nearest library branch, or visit the Library website.

The Johnson County Department of Health and Environment recommends the following tips to stay safe in the heat:

  • Exercise in an air-conditioned place and drink two-to-four glasses of cool, non-alcoholic fluids each hour. A sports drink can replace the salt and minerals you lose in sweat.
  • Regardless of your activity level, drink more non-alcoholic fluids. Check with your doctor if you have restrictions related to fluid intake.
  • Stay indoors and, if at all possible, stay in an air-conditioned place. If your home does not have air conditioning, go somewhere cool — even a few hours spent in air conditioning can help your body stay cooler when you go back into the heat.
  • Electric fans may provide comfort, but when temperatures are in the high 90s, fans will not prevent heat-related illness.
  • If you must be out in the heat:
    • Limit your outdoor activity to morning and evening hours.
    • Try to rest often in shady areas.
    • Wear lightweight, light-colored and loose-fitting clothing.
    • Protect yourself from the sun by putting on sunscreen of SPF 15 or higher and wear a wide-brimmed hat and sunglasses.

Although anyone can suffer at any time from heat-related illness, some people are at greater risk than others. Be sure to check regularly on:

  • People aged 65 or older
  • People taking certain medications, including narcotics, sedatives and diuretics
  • Athletes who are not used to working out in warm environments
  • People who work outside
  • People who have a mental illness or are physically ill, especially with heart disease, high blood pressure or diabetes


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