The City of Chicago is currently in Phase Four: "Gradually Resume." Many City services have adjusted hours or locations and may require health screens prior to entering their physical
spaces. Please call ahead or visit any department's website to get additional details, or visit chicago.gov/covid-19.
Click here to sign up for Extreme Weather Alerts! With this, you can be advised by the city when extreme heat or extreme cold are expected, giving you additional time to prepare yourself, your home and your family.
During the summer months, the temperature in Chicago can reach dangerous levels. With the heat index and the heat island effect, temperatures can be particularly hazardous for children, the elderly and those with special needs and pets. In addition to discomfort and fatigue, extremely high temperatures can cause heat cramps, heat exhaustion, and heat stroke. To protect yourself, your family and your neighbors, please familiarize yourself with the following terms and symptoms.
Infants and children up to four years of age, people 65 years of age and older, who are overweight, people who are ill or on certain medications, and pregnant people are at higher risk for heat-related illness. In some cases, exposure to excess heat has been linked to poor birth outcomes. Pregnant people should avoid extreme heat, stay well hydrated and follow the advice of their medical providers.
In extreme heat:
Chicago is famous for its cold winters. The lake effect causes already cold weather to feel even colder with wind-chill factors that can drive temperatures well below zero, causing possible frostbite or hypothermia.
In extreme cold:
Safe heating tips:
Safe use of the car in cold weather: