Fast Food Restaurant – illustrative photo

Fast Food RestaurantO'Fallon, IL

McDonald's – 1153 North Greenmount Road, O'Fallon

Open now · closes 9:00 PM

Directions Call

Illustrative photo

Opening hours

Open now · closes 9:00 PM

Weekly opening hours of McDonald's
Monday	6:00 AM – 9:00 PM
Tuesday	6:00 AM – 9:00 PM
Wednesday	6:00 AM – 9:00 PM
Thursday	6:00 AM – 9:00 PM
Friday	6:00 AM – 9:00 PM
Saturday	6:00 AM – 9:00 PM
Sunday	6:00 AM – 9:00 PM

Local time in O'Fallon: 3:05 PM (CDT). Holiday hours may differ – call (618) 628-8375 to confirm.

Location & directions

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1153 North Greenmount Road
O'Fallon, IL 62269

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About McDonald's

McDonald's is a fast food restaurant you'll find at 1153 North Greenmount Road in O'Fallon, Illinois. It is one of 38 places to eat and drink we list in O'Fallon.

McDonald's is open daily, 6:00 AM – 9:00 PM.

Available service options are takeout and drive-through. On the menu: burgers.

You can reach the team at (618) 628-8375.

Quick facts

Category: Fast Food Restaurant · Burger
Address: 1153 North Greenmount Road, O'Fallon, IL 62269
Phone: (618) 628-8375
Hours: Open daily, 6:00 AM – 9:00 PM
Listing updated: September 2026 · Suggest an edit

Popular times (estimated)

6AM

9AM

12PM

3PM

6PM

9PM

Estimated from typical visit patterns for fast food restaurants and this venue’s opening hours – not live data.

Features & amenities

Service options

Takeout
Drive-through

Amenities

Wi-Fi

Reviews

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Frequently asked questions

What are McDonald's's opening hours?

Open daily, 6:00 AM – 9:00 PM. Monday: 6:00 AM – 9:00 PM; Tuesday: 6:00 AM – 9:00 PM; Wednesday: 6:00 AM – 9:00 PM; Thursday: 6:00 AM – 9:00 PM; Friday: 6:00 AM – 9:00 PM; Saturday: 6:00 AM – 9:00 PM; Sunday: 6:00 AM – 9:00 PM.

Is McDonald's open on Sunday?

Yes, McDonald's is open on Sundays: 6:00 AM – 9:00 PM.

Where is McDonald's located?

McDonald's is located at 1153 North Greenmount Road, O'Fallon, IL 62269.

What is the phone number of McDonald's?

You can call McDonald's at (618) 628-8375.

Does McDonald's offer delivery or takeout?

Delivery is not listed for McDonald's, and takeout is available. Listed service options: takeout and drive-through.