Erie Balloon Festival: 6 a.m., County Road 5 and Collier Parkway, Erie. Get ready for an unforgettable weekend at the 28th annual Erie Balloon Festival, happening Friday-Sunday. facebook.com. Fun on the Farm: 9:45 a.m., Agricultural Heritage Center, 8348 Ute Highway 66, Longmont. Children ages 3-6 will love to visit the farm to learn about animals, plants and agricultural life. Come learn about goats on the farm and meet Pinky and Porky. All programs include a short story time, hands-on activities and a take-home craft. Afterwards, explore the farm. Free, discover.bouldercounty.gov. Mountain Reverb concert: 6 p.m., Bootstrap Brewing Company, 142 Pratt St., Longmont. Established in September 2018 as a duo with Tony Crank — a current and 30-year established professional studio engineer with over 100 production albums in country, blues, rock and goth/metal genre to credit — and Carl Hager — a James Taylor/Bob Seger/Bob Dylan-influenced musician who has delivered over 60 Denver region live acoustic performances — the Mountain ReVerb performance collaboration has grown to include some of the most talented instrumentalists and vocalists in Colorado. bootstrapbrewing.com.

Longmont Cars and Coffee: 8 a.m. Saturday, Einstein Bros. Bagels, 2311 Clover Basin Drive, Longmont. Monthly Longmont Cars and Coffee take place on the second Saturday of every month. Come out and enjoy some cool cars. Respect others and respect the spot. carsandcoffeeevents.com. Roots & Rhythm Music Festival: noon Saturday, Left Hand Brewing, 1265 Boston Ave., Longmont. Get ready for Roots & Rhythm — a high-energy music festival that blends local bands, craft beer and food trucks in a vibrant, family-friendly setting. Featuring performances by Hazel Miller & The Collective, Chimbangle, Ghosts of Caroline, Mackenzie Rae & Buckshot Moon, Mike Chiasson and Thumpin’, the festival supports Community Food Share’s work to fight hunger in Boulder and Broomfield counties. $25-$90, 303-652-3663, give.communityfoodshare.org. Downtown Summer Art & Music Series: 4:30 p.m. Saturday, Firehouse Art Center, 667 Fourth Ave., Longmont. The Downtown Summer Concerts have combined forces with ArtWalk’s Summer on the Streets festival. Monthly street concerts at Fourth and Kimbark are bigger and better than ever, featuring local food, drinks, kids activities, artists and makers and live music. Bring the whole family at 4:30 for a kid-focused performance to start the festivities, and stick around for music from talented local and regional bands. 303-651-2787, facebook.com. Boulder Peak Triathlon: 5 a.m. Sunday, Boulder Reservoir, 5100 51st St., Boulder. Boulder Peak Triathlon, Duathlon & Aquabike is one of the countries longest and most well-known triathlons. For veteran or first time racers, this is the can’t miss event of the summer season and the crown jewel of the Colorado Triathlon Series. This race has earned its spot on more than a couple notable “Best Triathlons in America” lists. $110-$150, withoutlimits.co. SUPYoga: 10 a.m. Sunday, Barefoot Lakes, Barefoot Lakes Parkway, Longmont. All yoga and paddle levels welcome. Basic paddling and safety instructions given before launch. Enjoy one hour of yoga on the water. $45, 903-520-7657, rockymtnpaddleboard.com. Meet the Distiller: 4 p.m. Sunday, Spirit Hound Lyons Tasting Room, 4196 Ute Highway, Lyons. Come sip, learn and explore the art of whisky maturation. Join for a special educational tasting with founder and head distiller Craig Engelhorn as he takes participants on a guided journey through whisky maturation. Taste whisky at different stages of aging and discover how time, wood and environment shape the final spirit. Learn what happens inside the cask and why Colorado’s unique climate plays a major role in flavor development.Experience firsthand the evolution of whisky and gain a deeper appreciation for the craft behind every sip. $20, 303-823-5696, spirithounds.com. Asteria Jazz Collective concert: 6 p.m. Sunday, Bricks on Main, 471 Main St., Longmont. Asteria Jazz Collective is a dynamic ensemble led by the captivating vocalist Stephany Prodromos and masterful bassist and musical director John Sleet Johnson. Blending Prodromos’ classical opera training with her deep love for jazz, the group delivers performances that are both rich and soul-stirring. Free, 720-600-2350, bricksretail.com. Yeehaw Lake Day Adventure: 5 p.m. Monday, The Wheel House, 101 Second Ave., Suite B, Niwot. Join for a 24 mile round trip ride to Union Reservoir from The Wheel House. Bring your appetite, swimwear and floaties and be greeted with an Italian dinner next to the water with beach fun to follow. Riders will take the same route home, so bring lights. $20, eventbrite.com. Teen Chess Club: 5:15 p.m. Monday, Erie Community Library, 400 Powers St., Erie. Teen Chess Club meets the second Monday of each month from July to December. No experience necessary. Registration required. Free, highplains.libcal.com. Editor’s note: Availability and scheduling of events may be subject to change.