Today

Erie Balloon Festival: 5:30 a.m., Balloon Launch Field, County Road 5 and Colliers Parkway, Erie. Erie Balloon Festival featuring hot air balloons, tethered balloon rides, walk-through balloons, food and drink trucks and special shapes coming into Erie from four states. Balloons will launch between 5:30 a.m. and 7 a.m. Free, 303-828-3440, erieballoonfestival.com.

Nature Fridays: 9 a.m., Sandstone Ranch Visitors Center, 3001 Sandstone Drive, Longmont. Enjoy outdoor exploration with unique weekly themes. Best suited for ages 3 and up. $5, longmontcolorado.gov.

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. All programs include a short story time, hands-on activities and a take-home craft. Afterwards, explore the farm. Children must be accompanied by an adult. Free, boco.org.

Jurassic Jamboree: 10 a.m., Carbon Valley Regional Library, 7 Park Ave., Firestone. Jurassic Jamboree will be the party of the eon. Bring the whole family for dinosaur-themed games, crafts, snacks and more. highplains.libcal.com.

Morpheus Dreaming concert: 6 p.m., Bricks on Main, 471 Main St., Longmont. Morpheus Dreaming is a tribute to the band Morphine and beyond. The group’s unique sonic elixir blends saxophone, two-string slide bass, drums and vocals. This fusion creates a jazzy, funky, bluesy, alt-rock experience like no other. Free, bricksretail.com.

Upcoming

Art in the Parks: 10 a.m. Saturday, Pella Crossing, 11600 N. 75th St., Longmont. Volunteer naturalists will guide participants’ journey with ideas, some direction and an opportunity to practice various skills. Through a series of five programs, explore basic sketching principles in this unique and fun-filled experience. Free, boco.org.

ARCINDA kids concert: 11 a.m. Saturday, Longmont Public Library, 409 Fourth Ave., Longmont. Enjoy a performance of traditional music and dance from Java, Indonesia. ARCINDA, a nonprofit organization focusing on Indonesian cultural programs and events, will perform Javanese gamelan music and dance. All ages are welcome. longmontcolorado.gov.

Cooking with Sunshine program: 2 p.m. Saturday, Berthoud Community Library, 236 Welch Ave., Berthoud. In this 90-minute course, sustainability expert Dee M. Davis will teach participants the ins and outs of solar cooking, help them select the right type of oven as well as answer questions. Various solar ovens will be available for demonstration. $10, 970-528-9788, berthoudlocal.org.

Boulder Peak Triathlon: 5 a.m. Sunday, Boulder Reservoir, 5565 N. 51st St., Boulder. ​​​Boulder Peak Triathlon, Duathlon and Aquabike is one of the country’s 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. $110-$155, withoutlimits.co.

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. Free, bricksretail.com.

Craft Kids Summer Art and Craft Classes: 9 a.m. Monday, Niwot Children’s Park, 101 First Ave., Niwot. Let kids’ creative juices flow in these fun, age appropriate art classes. There are fabulous projects planned with plenty of time for active kids to exercise and recreate. All art supplies are included. Only 15 children in each session. 231-631-4838, hisawyer.com.

Second Mondays Book Group: 6 p.m. Monday, Longmont Public Library, 409 Fourth Ave., Longmont. The Second Mondays Book Group meets in-person in the library meeting rooms on the first floor starting. New participants are always encouraged to join.  longmontcolorado.gov.

“Paddington 2” film screening: 10 a.m. Tuesday, Longmont Museum, 400 Quail Road, Longmont. Cool off in the Stewart Auditorium this summer with a cold drink, a bag of popcorn and a great movie the whole family can enjoy. This week’s screening is “Paddington 2.” Everyone’s favorite marmalade-loving bear returns in this delightful sequel. When Paddington finds the perfect birthday gift for his beloved Aunt Lucy, it’s suddenly stolen, and he’s wrongly accused of the crime. Determined to clear his name, Paddington and the Brown family set out to track down the real thief. $3-$5, 303-651-8374, longmontcolorado.gov.

Sesame Street Party: 4 p.m. Tuesday, Longmont Public Library, 409 Fourth Ave., Longmont. Celebrate all things Sesame Street as participants play games, sing songs and create cool crafts. Best for preschoolers and older, but all ages are welcome. Caregivers must stay with their children during the party. longmontcolorado.gov.

Fitness in the Park: 6:30 p.m. Tuesday, Lanyon Park, 1900 Collyer St., Longmont. Enjoy a workout in the fresh air Join Recreation fitness instructors for a free Pilyoga (Pilates and yoga combination) class. For ages 14 and up. Free, longmontcolorado.gov.

Editor’s note: Availability and scheduling of events may be subject to change.