Happening Next

Great Falls Halloween Events

Halloween events Happening Next in Great Falls, MT

Witches Night

 Kellergeist 24 Oct 2026
FITNESS USD 4 TO 10

The Sober Life's Fright Fest 2026

 Montana ExpoPark 24 Oct 2026
FESTIVALS

Trick-or-Treat Walk

 4803 Giant Springs Rd, Great Falls, MT 59405-0902, United States 9 Oct 2026
WORKSHOPS

Sussy Sips at Town Square Market - TRUNK OR TREAT

 Town Square Market Vendors 17 Oct 2026
HALLOWEEN

Trick or Treat at SCHEELS

1200 10th Ave S, STE 92, Great Falls, MT 59405 31 Oct 2026
HALLOWEEN

Staradio Monster Mash For A Cause

Shonkin Event Center 30 Oct 2026
NONPROFIT

Trunk-or-Treat at The Rainbow Senior Living

 The Rainbow Senior Living 31 Oct 2026
TRUNK-OR-TREAT

First Annual Slimer Swap

 1601 Market Place Dr, Great Falls, MT 59404-3481, United States 1 Nov 2026
KIDS

Young Single Adult Halloween Party

 At the Kaldors home 24 Oct 2026
FITNESS FREE

Overlook Ward Halloween Party

 The Church of Jesus Christ of Latter-day Saints 17 Oct 2026
PARTIES FREE