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24 Hour Urgent Care in Illinois

Find 24 hour urgent care clinics across Illinois — open now with no appointment needed. Browse 20 cities below to see clinic locations, hours, insurance and Medicaid acceptance, and contact info for same-day and late-night care.

Urgent Care by City in Illinois (20)

Aurora, IL →Belleville →Bloomington, IL →Champaign →Chicago →Crystal Lake →Decatur →Elgin, IL →Evanston →Joliet, IL →Naperville →Naperville, IL →Normal →Peoria →Quincy →Rockford →Rockford, IL →Schaumburg, IL →Springfield →Waukegan, IL →

About Urgent Care in Illinois

Appointment needed
Usually not — most locations take walk-ins
Insurance
Many accept Illinois Medicaid, Medicare, and major PPO/HMO plans; call to confirm
Typical cost
$100–$200 without insurance for a basic exam
Conditions treated
Cold, flu, injuries, infections, rashes, UTIs, and more

Health Considerations in Illinois

Illinois experiences extreme seasonal temperature swings — bitter Midwestern winters with windchill temperatures well below zero and hot, humid summers — that both drive seasonal illness patterns and stress-related urgent care presentations. Chicago's dense urban population means respiratory infections, influenza, and gastrointestinal illnesses spread quickly during cold-weather months, while summer heat events in the city can cause heat-related illness particularly among older and low-income residents.

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