December 2026

Wed 9

Canceled Landlord Tenant Alliance: WINTER BREAK

Wednesday, Dec. 9 Landlord Tenant Alliance Series

Wed 9

Discovery Days Art (12/9/2026)

Wednesday, Dec. 9 · 9:15 am - 2:15 pm Discovery Days Art Series

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Discovery Days is an early childhood program for children ages 2 to 6 and their caregivers to have fun together with educational, hands-on art, music, and movement activities.

Wed 9

Callahan House Advisory Board Meeting

Wednesday, Dec. 9 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

Wed 9

Friends of the Longmont Library Book Sale (Members Only)

Wednesday, Dec. 9 · 3 pm - 7:45 pm

Longmont Public Library 355 Emery St., Longmont, CO, United States

Wed 9

IN PERSON Sustainability Advisory Board (12/9/2026)

Wednesday, Dec. 9 · 4:30 pm - 6:30 pm IN PERSON Sustainability Advisory Board Series

Longmont Civic Center 350 Kimbark St., Longmont, CO, United States

Wed 9

Teen Gaming Club (12/9/2026)

Wednesday, Dec. 9 · 5 pm - 6 pm Teen Gaming Club Series

Longmont Public Library 355 Emery St., Longmont, CO, United States

Compete, cooperate and collaborate on our Nintendo Switch featuring a selection of games for 4-8 players.

Wed 9

Canceled Landlord Tenant Alliance

Wednesday, Dec. 9 · 6:30 pm - 8 pm Landlord Tenant Alliance Series

Longmont Senior Center - Rooms D&E 910 Longs Peak Ave, Longmont, Colorado, United States

Thu 10

Friends of the Longmont Library Book Sale (12/10/2026)

Thursday, Dec. 10 · 9 am - 7:45 pm

Longmont Public Library 355 Emery St., Longmont, CO, United States

Thu 10

Discovery Days Art (12/10/2026)

Thursday, Dec. 10 · 9:15 am - 2:15 pm Discovery Days Art Series

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Discovery Days is an early childhood program for children ages 2 to 6 and their caregivers to have fun together with educational, hands-on art, music, and movement activities.

Thu 10

The Library @ the Longmont Senior Center

Thursday, Dec. 10 · 11:30 am - 1:15 pm

Longmont Senior Center 910 Longs Peak Ave., Longmont, CO, United States

Thu 10

Spanish-English Conversation Group (12/10/2026)

Thursday, Dec. 10 · 1 pm - 2 pm Spanish-English Conversation Group Series

Longmont Public Library 355 Emery St., Longmont, CO, United States

Get to know other language learners while practicing conversations in Spanish or English.

Thu 10

Make it Better (12/10/2026)

Thursday, Dec. 10 · 3 pm - 5:30 pm Make it Better Series

Longmont Youth Center 1050 Lashley St., Longmont, CO, United States

Thu 10

Santa Visit at Callahan House

Featured Thursday, Dec. 10 · 3:30 pm - 7:30 pm

Callahan House 312 Terry St, Longmont, CO, United States

Thu 10

Navigators (12/10/2026)

Thursday, Dec. 10 · 4 pm - 5:30 pm Navigators Series

Longmont Youth Center 1050 Lashley St., Longmont, CO, United States

Thu 10

Art & Sip: Winter Solstice Paper Garland

Thursday, Dec. 10 · 4 pm - 8:30 pm

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Celebrate the magic of the Winter Solstice by creating an enchanting mixed-media paper garland.

Thu 10

Vision Zero Task Force Meeting (12/10/2026)

Thursday, Dec. 10 · 6 pm - 7:30 pm

Longmont Senior Center 910 Longs Peak Ave., Longmont, CO, United States

Thu 10

Boulder International Film Festival: Short Films II

Thursday, Dec. 10 · 7 pm - 9 pm

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Join us for a repeat performance part two of one of BIFF’s most popular programs, featuring short films by filmmakers from across the globe as selected for inclusion in the 2026 Boulder International Film Festival.

Fri 11

All Out League (12/11/2026)

Friday, Dec. 11 · 4 am - 5:30 pm All Out League Series

Longmont Youth Center 1050 Lashley St., Longmont, CO, United States

Fri 11

Friends of the Longmont Library Book Sale (12/11/2026)

Friday, Dec. 11 · 9 am - 4:45 pm

Longmont Public Library 355 Emery St., Longmont, CO, United States

Fri 11

Discovery Days Art (12/11/2026)

Friday, Dec. 11 · 9:15 am - 2:15 pm Discovery Days Art Series

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Discovery Days is an early childhood program for children ages 2 to 6 and their caregivers to have fun together with educational, hands-on art, music, and movement activities.