Chicago weather forecast: More sweltering heat before cold front hits, bringing thunderstorm threat

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CHICAGO — The Chicago area will continue to swelter on Tuesday, with temperatures in the upper 90s, before a cold front sets in in the evening, bringing a risk of thunderstorms.

The National Weather Service released a Heat Notice in effect for McHenry, De Kalb, Kane, La Salle and Kendall counties until 7 p.m.

The high is expected to be near 99, just below the record high of 101 set in 1988. The National Weather Service has warned that the heat index could reach 100 in northwestern Illinois and could “lead to heat-related illnesses if you are outdoors for long periods of time.”
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A cold front will bring a risk of thunderstorms in the evening, including some severe ones from Peru to Aurora and Waukegan, with gusty winds and hail.

Wednesday’s high should be 81, Thursday 76.

Officials warn that hot temperatures and high humidity can cause heat-related illnesses, which could develop within 30 minutes after strenuous outdoor activity.

Residents are advised to take extra precautions, including drinking plenty of fluids, staying in air-conditioned areas and staying out of the sun. If possible, reschedule strenuous activities for early morning or evening if you are working or spending time outdoors. Also wear light, loose clothing when possible.

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“Do not underestimate the health risks of heat and humidity. They are dangerous and in some cases can be fatal,” said Dr Jennifer Seo, chief medical officer at the Department of Public Health. from Chicago.

Know the signs and symptoms of heat exhaustion and heat stroke.

Heatstroke:

  • Confusion, altered mental state, slurred speech
  • Loss of consciousness (coma)
  • Hot, dry skin or profuse sweating
  • Seizures
  • Very high body temperature
  • Fatal if treatment is delayed
  • Heat exhaustion:

  • Headache
  • Nausea
  • Dizziness
  • Weakness
  • Irritability
  • The thirst
  • Profuse sweating
  • High body temperature
  • Decreased urine output
  • Anyone overwhelmed by the heat should be moved to a cool or shaded area, officials said. Heatstroke is an emergency and 911 should be called.

    Residents who need help during the extreme heat should call 311. Residents can also request a health check by downloading the CHI311 app, visiting 311.chicago.gov or dial 311.

    They also recommend checking on relatives and neighbors.

    WATCH: Experts’ top concerns amid heat wave

    City of Chicago Cooling Zones located at the city’s six Community Service Centers will be activated on Tuesday and Wednesday. Chill Zones operate 9 a.m. to 5 p.m., Monday through Friday. Visitors are required to wear a face covering when in the chill areas. The Chicago Department of Family and Support Services will provide free face coverings to customers who do not have one and wish to use the chill zones.
    They are located at:

    – Englewood Center – 1140 W. 79th St.
    – Garfield Center – 10 S. Kedzie Ave.
    – King Center – 4314 S. Cottage Grove Ave.
    – North Zone Center – 845 W. Wilson Ave.
    – South Central Chicago – 8650 S. Commercial Ave.
    – Trina Davila Center – 4312 W. North Ave.
    The Sun-Times Media Wire and ABC7Chicago contributed to this report.

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