Madness on Main Newcastle, Wyoming

03/21/2026

A shout out to Newcastle and the Small Town Businesses that make this event possible!
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2026 is our 9th year of Madness on Main! We appreciate all that our community does and shows up for this great event.

Take a look at the link below! Wyoming's Senator John Barrasso gives Newcastle a shout out in his speech. (8 minutes 50 seconds)

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09/03/2025

09/01/2025

09/01/2025

09/01/2025

08/30/2025

💦 🎈Prepare yourselves for the Largest Water Balloon Fight in NE Wyoming at 3pm!

🙋 Ages 4 & Under will have 'Chaotic Tots Pool' with Water Balloons, as well.

🚒 👨🏻‍🚒 Newcastle Volunteer Fire Department and Tower #17 will be participating!

👍 Brought to you by Bomgaars

~ Please follow the rules of the Water Balloon Fight.

~ Be aware of others and your surroundings.

~ No aiming at anyone's face or head.

~ Please do not throw water balloons at any of the business fronts/buildings.

~ We have designated areas for the older kids tank and Chaotic Tots Pool.

08/30/2025

Water balloons getting filled. 3 pm we are going to let the kids have a big water fight. Come down and join the fun.

08/30/2025

Madness Market!

08/30/2025

Weston County Sheriff's Search and Rescue is on scene for the day of family fun!