The third annual Trick-R-Trunk from 5 to 8 p.m. Saturday offers more than just candy: there’s a pumpkin derby at 5:30 p.m., a costume contest at 6:30 p.m. and haunted barn tours all evening. Concessions are available for purchase. Admission to the event is free; haunted barn tours are $3/adults and $2/kids. The event takes place at Floch Hall at the Asotin County Fairgrounds.
Clarkston’s 11th annual Sixth Street Trick or Treat is 4 to 6 p.m. Friday in downtown Clarkston, where Sixth Street will be closed between Elm and Chestnut streets. In addition to collecting candy, event goers can participate in a costume contest and purchase Halloween photos at Wasem’s.
Hogan’s Halloween at 9:30 p.m. Saturday offers music by CO-DJ and a costume contest where winners will receive a free lunch or dinner for them and a friend or more. The event is for ages 21 and older; there is no cover charge. Hogan’s is at 906 Sixth St.
For kids grades sixth to eighth, Zombiefest offers zombie crafts, games and treats from 5:30 to 7 tonight at the Colfax Library. Prizes are available for those dressed as a zombie.
Halloween photos will be taken from 5 to 9 p.m. Saturday on the decorated porch at the historic White Spring Ranch. The event is free and tours are available. The farm museum is at 1004 Lorang Road, off of U.S. Highway 95.
The pumpkin patch is open from 11:30 a.m. to 7 p.m. today through Saturday at Lewiston First Methodist Church. The patch offers games, activities, photo opportunities and a selection of pumpkins and gourds for purchase. Proceeds go to humanitarian aid; those who bring two cans of food get $1 off your pumpkin. The church is at 1906 Broadview Dr.
For cinematic scares, head to Lewis-Clark State College’s Silverthorne Theater at 8 tonight for a showing of “American Werewolf in London.” The film is rated R; cost is $5/person or free with student ID card.
A family friendly pumpkin carving and showing of “Monsters, Inc.” begins at 5 p.m. Friday at the Episcopal Church of the Nativity. The event is free of charge and includes snacks. The church is at 731 Eighth St.
Two nights of live music and costume contests with cash prizes will take place 8 p.m. Friday and Saturday at the Third Wheel Event Center and Concert Hall. Friday’s bands are Walking Corpse Syndrome, Helldorado and Dysfunktynal Kaos & Swine Flew. Admission is $8/advance, $10/door. Saturday’s bands are Homewreckr, Quarter Monkey and Free the Jester. Admission is $5/advance, $10/door. Advance tickets can be purchased at Vixxen Salon, the Alibi, Sports Edition and Third Wheel. The events are for ages 21 and older. Third Wheel is at 1702 Main St.
The sixth annual Pumpkin Palooza kicks off at noon Saturday with a chili cook-off across from Towne Square and the Great Pumpkin Roll from noon to 4 p.m. on the Fifth Street hill. Those who are successful at rolling their pumpkin from the start line into a chute at the bottom of the hill are entered into a drawing for a cash prize of $500. Tickets are $5/roll or $10/three rolls.
A costume parade begins at 1 p.m. on Main Street, with prizes awarded to top costumes. Children and adults of all ages, along with leashed and well-behaved dogs, can assemble at 12:45 p.m. at the information booth at Fifth and Main streets.
Main Street Trick or Treat runs from 2 to 4 p.m. at downtown businesses. The event will also feature vendors, free children’s crafts and games, art auction and a jumping castle. Winners of the chili cook-off, pumpkin roll and costume parade will be announced at 4 p.m. at the corner of Fifth and Main streets.
Halloween Night Trick or Treat is from 5 to 7 p.m. Saturday at the Idaho State Veterans Home, 821 21st Ave.
A Family Fun Night is taking place 6 to 9 p.m. Saturday at CrossPoint Church. The event includes candy, games, costume contest, obstacle course, hayrides and a showing of “God’s Not Dead.” Admission is free; the church is at 1330 Powers Ave.
Enter a carved pumpkin contest by bringing your already-carved pumpkin to the Palouse Mall office between 10 a.m. and 4 p.m. today and Friday. The winner will be selected Saturday and receive a $100 Palouse Mall gift card.
Explore night life at Palouse Clearwater Environmental Institute’s Animals of the Night Fundraiser from 5 to 8 p.m. Friday. Stations at the nature center will feature live animals, music, games and crafts. Attendees may also head to the outdoor trails and learn about nocturnal animals from university groups and local experts. Cost is $4/person for PCEI members and $5/person for non-members; children 2 and younger are free. PCEI Nature Center is at 1040 Rodeo Drive.
Celebrate an ‘Appy Halloween at the Appaloosa Horse Museum from 11 a.m. to 4 p.m. Saturday. Participants can trick or treat and watch Disney’s “Legend of Sleepy Hollow.” The museum is at 2720 W. Pullman Road.
Kids can Trick or Treat from 3 to 6 p.m. Friday in downtown Moscow; 3 to 5 p.m. Saturday at the Eastside Marketplace; and from 5 to 7 p.m. Saturday at the Palouse Mall.
The annual Tubaween concert is 6 p.m. Saturday at the University of Idaho Haddock Performance Hall. Donations accepted at the door; proceeds toward tuba/euphonium events and guest artists.
Kids and families can costume-up for candy at Trick or Treat Rocking the Street from 5 to 7 p.m. Friday along Johnson Avenue. Kids must be accompanied by an adult.
For Halloween scares, head to the 14th annual Haunted Palouse from 7 to 10 p.m. Friday and Saturday. This 12-and-older event features street-side scares and building tours; food is available for purchase. Tickets are $15, cash only, sold in the drive-through area of the Palouse branch of Banner Bank, 150 N. Bridge St. Sales close at 10 p.m.
The planetarium show, “Celestial Spooks,” explores the mythology of the night sky, optical illusions and real dangers from space at 7 p.m. Friday and 5 p.m. Sunday. Cost is $5; the Washington State University Planetarium is located at 231 Sloan Hall.
Additional intergalactic horrors are featured at the Haunted Space Expedition beginning at 9 p.m. Friday and Saturday at the Cougar Entertainment Center. Participants will be immersed in a fight between humans and aliens and encounter “disturbing” crew members and science experiments. The event is not suitable for children. Admission is $8 Friday and $9 Saturday; sales start at 8 p.m. and end at 11:30 p.m. Bring two non-perishable food items to receive $1 off ticket prices. The center is at 1234 S. Grand Ave.