June in Boise and the Treasure Valley means summer events are back, with concerts returning to The Grove, the Snake River Stampede rolls into Nampa, the Idaho Shakespeare Festival opens its 50th-anniversary season under the stars, and a brand-new Greenbelt venue, Bluebird Social, throws open its doors with a full slate of live music and free FIFA World Cup watch parties. Add Father’s Day car shows, mountain-bike festivals, free fishing days, a Marshmello-headlined Boise Music Festival, and Eagle Fun Days, and you have one of the busiest months on the Treasure Valley calendar.
Whether you are chasing free family festivals, summer music, rodeos, or a weekend on the trails, here is everything happening across Boise, Meridian, Nampa, Caldwell, Eagle, Garden City, Kuna, and Star this June. Events are listed in chronological order.
Bluebird Social Grand Opening Weekend
Bluebird Social, Boise
June 4th – 6th, 2026 | 11am – 10pm
Boise’s newest outdoor venue opens with a free soft-opening weekend on the Greenbelt, featuring an enormous video screen, food trucks, full bar, and all-ages access from 11am to 10pm. Learn more on our post here.
Music Theater of Idaho – Willy Wonka
Nampa Civic Center, Nampa
June 4th, 2026 | 7:30pm
Music Theatre of Idaho stages Roald Dahl’s beloved chocolate-factory musical for one night at the Nampa Civic Center.
First Thursday Art Walk
Downtown Boise, Boise
June 4th, 2026 | 5pm – 9pm
Boise’s long-running monthly art walk takes over downtown with gallery openings, in-store exhibits, live music, and tastings from 5–9pm.
Ballet Idaho – Cinderella
Morrison Center, Boise
June 5th – 6th, 2026
Ballet Idaho closes its season with the classic full-length fairy-tale ballet at the Morrison Center for the Performing Arts.
Roars & Pours at Zoo Boise
Zoo Boise, Boise
June 5th, 2026 | 6pm – 9pm
A 21+ after-hours evening at Zoo Boise with drinks, food, and animal encounters from 6–9pm.
Treasure Valley Triathlon
Esther Simplot Park, Boise
June 6th, 2026
The largest adaptive triathlon in the western United States and the 2026 USAT Idaho State Championship, featuring swim, bike, and run for all abilities, plus a Youth Splash & Dash.
Beer & Bacon Fest
Expo Idaho, Garden City
June 6th, 2026 | 12pm – 5pm
A festival celebration of two of life’s greatest pairings — local craft beer and bacon-forward food — at Expo Idaho from noon to 5pm.
Art & Roses Fine Art Festival
Julia Davis Rose Garden, Boise
June 7th, 2026 | 10am – 5pm
The 35th annual free fine-art festival in the historic Julia Davis Rose Garden, featuring 100+ local artists, demos, live music, and family activities from 10am to 5pm.
Savor Idaho
Idaho Botanical Garden, Boise
June 7th, 2026 | 2pm – 5pm
Idaho’s premier wine and cider tasting (21+) showcases local wineries and cideries alongside food trucks and live music throughout the garden from 2–5pm.
Mamma Mia! The Musical
Morrison Center, Boise
June 9th – 14th, 2026
The smash-hit ABBA musical returns to the Morrison Center for a week-long run of dancing queens, beach weddings, and unforgettable singalongs.
Eagle Rodeo
6500 W. Chaparral Rd., Eagle
June 10th – 13th, 2026 | 5pm nightly
The 25th anniversary of the Eagle Rodeo brings four nights of bull riding, bronc riding, and barrel racing to Eagle.
Bi-Mart Country Bash
Ford Idaho Center Amphitheater, Nampa
June 11th, 2026
A multi-act country festival headlined by Gary Allan with Joe Nichols and a full supporting lineup at the Ford Idaho Center Amphitheater.
Firebird Raceway – 49th Great American Fox Hunt
Firebird Raceway, Eagle
June 12th – 13th, 2026
NHRA drag racing’s season opener for the Jet Cars (270 mph), with Funny Cars, supercharged dragsters, and vintage roadsters tearing up the strip across two days at Firebird.
Bluebird Social Launch Party w/ Bombargo
Bluebird Social, Boise
June 12th, 2026
Bluebird Social’s official launch-week concert brings Canadian touring band Bombargo to the Greenbelt’s newest outdoor venue, with opener McKenna Esteb. Ticketed event.
FRYdaho!
JUMP, Boise
June 12th, 2026 | 4pm – 7pm
Simplot’s free annual fries-and-sliders block party returns to JUMP from 4–7pm — family-friendly, all-ages, and unmistakably Idaho.
Idaho Free Fishing Day
Statewide / Treasure Valley Ponds, Boise Area
June 13th, 2026
Idaho Fish & Game hosts a no-license-required day of family fishing across local ponds and waters — one of the year’s best free outdoor outings for kids and first-timers.
Dirty Dog Trail Marathon & Half
Fort Boise / Boise Foothills, Boise
June 13th, 2026
The 10th annual trail marathon and half marathon climbs the Ridge to Rivers system, benefiting local trail maintenance and the Idaho Humane Society.
Stage Coach Theatre – Murder on the Orient Express
Stage Coach Theatre, Boise
Through June 13th, 2026
Ken Ludwig’s stage adaptation of the Agatha Christie whodunit closes its run with performances Thursday through Sunday.
Idaho Shakespeare Festival – Macbeth
ISF Amphitheater, Boise
Through June 13th, 2026
Sara Bruner directs Shakespeare’s dark tragedy of ambition and murder to launch ISF’s 50th-anniversary season under the stars on Warm Springs Avenue.
Snake River Stampede
Ford Idaho Center, Nampa
June 16th – 20th, 2026
One of the top-10 PRCA rodeos in the nation returns with five nights of bull riding, bronc riding, barrel racing, and more — newly scheduled for mid-June in 2026.
Alive After Five Season Opener
Grove Plaza, Boise
June 17th, 2026 | 5pm – 8pm
Boise’s longest-running free outdoor concert series returns for its 39th season with a Wednesday-evening kickoff at the Grove Plaza from 5–8pm.
Juneteenth – Idaho Black History Museum
Julia Davis Park, Boise
June 19th, 2026
The Idaho Black History Museum’s annual Juneteenth observance commemorates the emancipation of enslaved African Americans with community programming in Julia Davis Park.
Idaho Shakespeare Festival – Ms. Holmes & Ms. Watson, Apt. 2B
ISF Amphitheater, Boise
Opens June 19th, 2026
Kate Hamill’s fast-paced, gender-flipped take on Sherlock Holmes and Joan Watson as crime-fighting roommates opens at ISF and runs through July 11.
Bluebird Social – USA World Cup Watch Parties
Bluebird Social, Boise
June 19th & 25th, 2026
The Greenbelt’s brand-new outdoor venue throws free watch parties for Team USA’s second (June 19, noon–3pm) and third (June 25, 6–10pm) 2026 FIFA World Cup group matches, with DJ sets, food trucks, and full bar.
Movies Under the Stars – Zootopia 2
Julia Davis Bandshell, Boise
June 19th, 2026
Boise Parks & Recreation’s free outdoor movie series brings Zootopia 2 to the Julia Davis Bandshell at dusk — bring a blanket and the family.
Boise Marathon
Payette Brewing, Boise
June 20th, 2026 | 6am start
The summer edition of the Boise Marathon — full, half, 10K, and 5K — starts at 6am from Payette Brewing on a scenic course through canyons, riverside neighborhoods, and parks.
Dads, Dogs & Donuts at Zoo Boise
Zoo Boise, Boise
June 21st, 2026 | 8am – 9am
A Father’s Day morning at the zoo with donuts and early-access animal time from 8–9am — bring dad (and the dog).
23rd Annual Father’s Day Car Show
Idaho State Capitol, Boise
June 21st, 2026 | 10am – 3pm
A free, family-friendly Father’s Day classic and custom car show in front of the Idaho State Capitol in downtown Boise.
Meridian Dairy Days
Storey Park, Meridian
June 25th – 27th, 2026
Meridian’s signature community festival since 1929 — parade, carnival, pancake breakfast, Dairy Princess crowning, and 4-H stock shows.
Eagle Fun Days
Downtown Eagle, Eagle
June 26th – 27th, 2026
The 55th annual Eagle Fun Days returns with a parade, kid zone, classic car show, live music, vendor market, and Fun Run — all free, with a 2026 “America 250” theme.
Boise Mountain Bike Festival
Eagle Bike Park & Bogus Basin, Eagle & Boise
June 26th – 27th, 2026
The region’s premier summer mountain-bike event spans Friday demos and a film fest at Eagle Bike Park and Saturday riding at Bogus Basin, benefiting trail group SWIMBA.
Boise Music Festival
Expo Idaho, Garden City
June 27th, 2026 | 10am – 10pm
The 15th annual day-long, multi-stage festival at Expo Idaho features Marshmello, Sean Paul, Everclear, Eve 6, MKTO, and around 50 local bands across five stages, plus a carnival, from 10am to 10pm.
Wild West Brewfest
Indian Creek Plaza, Caldwell
June 27th, 2026 | 4pm – 8pm
A Caldwell craft-beer festival at Indian Creek Plaza from 4–8pm, complete with a beard-and-mustache contest and a Western Wear Fashion Show.
Boise Art Museum Summer Exhibitions
Boise Art Museum, Boise
On view through Summer 2026
Three flagship summer exhibitions are on view at BAM all June: Jeffrey Gibson: They Teach Love — a 53-work survey of the acclaimed Indigenous American artist (through July 26); Viewpoint: Paintings by Sally Stevens — 32 Idaho landscape oils by the Boise-based artist (through July 24); and Here We Have Idaho: Belonging — photography by Sofía Jaramillo and Ceci Richardson-Salvador exploring the state’s identity (through September 20).
See you out there!