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The Mission of Monster Day is to celebrate monsters in our culture in a positive way that encourages imagination and creativity. 

Mark your calendar for August 12, 2023, when Monster Day takes over Downtown Greeley again!. There will be costumed monsters roaming the plazas, professional makeup demonstrations, vendor booths, food and beverages, monster makeup, face painting, music, kids activities, a costume contest and more! Plus, Distortions Unlimited will have dozens of their creations set up around the plaza ready for your epic monster photo ops.

More information on this year’s even is coming soon! (Get the latest updates and RSVP to the Facebook event.)

Monster Day Greeley - Aug. 12, 2023

Noon-6p.m. in Downtown Greeley
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Greeley Gremlin

Monster Day on Instagram

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Monster Day Greeley Mascots

What is Monster Day?

It’s a family-friendly celebration of all things “monster!” With the debut of Greeley Gremlin, music, entertainment, face painting, costume contests, demonstrations, and more!

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Don't Be a Monster

Proceeds from Monster Day will benefit Don’t Be A Monster, a 501(c)(3) nonprofit organization that offers unique and entertaining anti-bullying assemblies in schools for students in 4th-10th grade.

Monster Day Greeley Photos [Gallery 2]

Monster Day Greeley Photos [Gallery 2]

Thanks to everyone who came out and make the first ever Monster Day such a success! I know we took more pictures than we know what to do with, and judging by how many camera flashes I saw going off all night, I think a lot of other people did the same thing. Here is...

Monster Day Greeley Photos [Gallery 1]

Monster Day Greeley Photos [Gallery 1]

Thanks to everyone who came out and make the first ever Monster Day such a success! I know we took more pictures than we know what to do with, and judging by how many camera flashes I saw going off all night, I think a lot of other people did the same thing. Here is our first batch of our photos for you to enjoy! (We’ll post more of them as we can go through and edit them.) Scary monster, fuzzy monsters, cute monsters, creepy monsters…there was a little bit of everything at Monster Day. What do you say…should we try and do it again next year?!

Share your #MonsterDayGreeley Photos

Monster Day Greeley will be full of great photo opportunities and everyone is encouraged to dress up. Make sure your camera and/or phone are fully charged and be ready to take some selfies with a slew of live monsters, Distortions Unlimted creations, hearses, monster...

Monster Shakes at Aunt Helen’s Coffee House

Monster Shakes at Aunt Helen’s Coffee House

What is a Monster Shake? Where do I get one? Why don't I have one? Come in enjoy a one of a kind Monster Shake and help your community! Aunt Helen's Coffee House has partnered with the Weld Food Bank with a fun Monster Day promotion. Beginning on August 21, Aunt...

Monster Day Videos

Monster Day Videos

Distortions Unlimited created some awesome videos for Monster Day Greeley.  Enjoy and share! Monster Day is coming on August 26, 2017, from 4 to 9 p.m. in Downtown Greeley. There's never been a day like Monster Day! Did you realize that the Sesame Street crew has a...

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