Events this weekend in O Fallon

Date and Time

Sat, 25 Oct, 2025 - 05:00 PM

Location

1 Club Way Dr, St Peters, MO 63376-8000, United States, 1 Club Way Dr, St Peters, MO 63376-8000, United States, O Fallon

Join us for a spooktacular evening of family-friendly fun at our FREE Trunk or Treat Events! Bring your little goblins and witches to see creatively decorated trunks, each offering a sweet treat. This safe and festive community gathering promises a night... Read More

Date and Time

Sat, 25 Oct, 2025 - 08:30 PM

Location

DOG HOUSE BAR AND GRILL O'FALLON MO, 300 Sonderen St, O'Fallon, MO 63366-2629, United States, O Fallon

IT'S A PARTY!! Come party with us and this amazing staff ! Come in costume and get a free pickle shot !!! Great Food / Amazing Drinks / Hot Tunes / FUN... Read More

Date and Time

Sat, 25 Oct, 2025 - 01:00 PM

Location

300 Fort Zumwalt Sq Ste 127, O'Fallon, MO, United States, Missouri 63366, 300 Veterans Memorial Pkwy, O'Fallon, MO 63366-3066, United States, O Fallon

$30 Entry Fee 4 Person Team Singles & Doubles Optional $5.00 All Events Handicap: Team - 85% of 920 Doubles 85% of 460 Singles 85% of 230 Squad Times Available: Saturday Oct. 25th 1pm Sunday Oct. 26th 1pm Reserved Entries Close October 18th Entry form... Read More

Date and Time

Sat, 25 Oct, 2025 - 01:00 PM

Location

300 Fort Zumwalt Sq Ste 127, O'Fallon, MO, United States, Missouri 63366, 300 Veterans Memorial Pkwy, O'Fallon, MO 63366-3066, United States, O Fallon

$30 Entry Fee 4 Person Team Singles & Doubles Optional $5.00 All Events Handicap: Team - 85% of 920 Doubles 85% of 460 Singles 85% of 230 Squad Times Available: Saturday Oct. 25th 1pm Sunday Oct. 26th 1pm Reserved Entries Close October 18th Entry fo... Read More

Date and Time

Sat, 25 Oct, 2025 - 05:00 PM

Location

8945 Veterans Memorial Parkway, O'Fallon, MO, United States, Missouri 63366, 8945 Veterans Memorial Pkwy, O'Fallon, MO 63366-3093, United States, O Fallon

Spread the word, Truck or Treat is here!... Read More

Date and Time

Sat, 25 Oct, 2025 - 04:00 PM

Location

1409 N Main St, O'Fallon, MO, 1409 N Main St, O'Fallon, MO 63366-4328, United States, O Fallon

🍂🎃 Join Us for Calvary Baptist Church’s Annual Fall Festival! 🎃🍂 Celebrate autumn with an evening full of fun, food, and fellowship! Our Fall Festival will feature a Chili Cook-Off (with judging starting at 5PM), hay rides, games, and plenty of activiti... Read More

Date and Time

Sat, 25 Oct, 2025 - 09:30 AM

Location

1301 Highway K, O'Fallon, MO, 1301 MO-K, O'Fallon, MO 63366-5978, United States, O Fallon

No tricks, just treats! 🎃🖤 Boo-tiful nails & spooky treats await! 💅✨ Come in costume, enjoy free drinks, snacks, treats, and receive a gift card up to $25. Just a fun day at Voncii Nail Bar, hope to see you boos and babes! 👻🧡... Read More

Date and Time

Sat, 25 Oct, 2025 - 06:30 PM

Location

1147 Tom Ginnever Ave, O'Fallon, MO, 1147 Tom Ginnever Ave, O'Fallon, MO 63366-4472, United States, O Fallon

Welcome Back to Spooktacular! We’re so excited to invite you to this year’s Spooktacular at Crossings! This year we’re introducing something new: From 6:00–6:30 p.m., we’ll have a special time just for our differently-abled friends. During this half ho... Read More

Date and Time

Sat, 25 Oct, 2025 - 10:00 AM

Location

771 Caledonia Dr, 771 Caledonia Drive, O'Fallon, United States

Celebrate the magic of autumn with us at our Fall Festival Event! Enjoy fun face painting, a petting zoo, and the chance to Trick-or-Treat.About this EventCome Join the Fun at Our WingHaven Branch!... Read More

Date and Time

Sat, 25 Oct, 2025 - 01:00 PM

Location

School or Church Near You!, St. Louis, MO, United States, Missouri, 294 Church St, O'Fallon, MO 63366-2814, United States, O Fallon

Saddle Up for 3rd Annual PinkOWeen! Yeehaw, cowgirls! Put on your pink boots, hats, and sparkle because it’s time for a Western-style celebration you don’t want to miss! PinkOWeen is not your average Halloween—it’s all about fun, friendship, fashion... Read More