Concerts
Joey Porter’s tribute to Stevie Wonder, 5 to 7 p.m. Part of the 10th annual Music on Main Street series. Southwest Main Street, between Broadway and Park Avenue, Portland; free. 503-274-6591 or www.portland5.com
John Mayall, 8 p.m. Aladdin Theater, 3017 S.E. Milwaukie Ave., Portland; $30 through Ticketfly, 877-435-9849 or www.ticketfly.com. www.aladdin-theater.com
Nightlife
Ernando, 6 to 8 p.m. The Grant House, 1101 Officers Row, Vancouver; 360-906-1101 or www.thegranthouse.us
Northwest String Summit Kick-Off Party, 7 p.m. Mississippi Studios, 3939 N. Mississippi Ave., Portland; $15 to $18, for 21 and older. 503-288-3895 or www.mississippistudios.com
Pokey LaFarge, 9 p.m. Doug Fir Lounge, 830 E. Burnside St., Portland; $15 to $17, for 21 and older. 503-231-9663 or www.dougfirlounge.com
Small Skies, Wishyunu, 8:30 p.m. Holocene, 1001 S.E. Morrison St., Portland; $6, for 21 and older. 503-239-7639 or www.holocene.org
On stage
Science on Tap Vancouver, 7 p.m. “Crime Scene Reconstruction: The Devil Is In The Details” will feature Rod Englert, a 50-year veteran of law enforcement, as he explains how investigations use observation, intuitive thinking and creative ability. He will discuss high-profile and controversial murders. Kiggins Theatre, 1011 Main St., Vancouver; $8 to $10 suggested cover. www.viaproductions.org
Summer Movies at Camas Library, 2 p.m. Wednesdays, through Aug. 12. Enjoy some popcorn with family-friendly movies played at the library. “Strange Magic,” rated PG, will be shown. Camas Public Library, 625 N.E. Fourth Ave., Camas; free. 360-834-4692 or www.cityofcamas.us/library
Theater
“Twelfth Night” presented by Portland Shakespeare Project. 7:30 p.m. Continues through Aug. 2. Alder Stage, Artists Repertory Theatre, 1515 S.W. Morrison St., Portland; $35, $20 for students. 503-241-1278 or www.portlandshakes.org. For more details, see the go: friday page.
Words
Ernest Cline, “Armada,” book-signing: 12:30 p.m. Powell’s Books, 1005 W. Burnside St., Portland; reading and book-signing: 7 p.m. Powell’s at Cedar Hills Crossing, 3415 Southwest Cedar Hills Blvd., Beaverton; free. 800-878-7323 or www.powells.com
Michael Farquhar, “Bad Days in History,” 7:30 p.m. Powell’s Books, 1005 W. Burnside St., Portland; free. 800-878-7323 or www.powells.com
Out & about
Science in the Park and Noon Concert Series, 11 a.m. to 1 p.m. Discover a new science and musical performance every Wednesday through Aug. 12. On July 15, be an entomologist and uncover the world of bugs, with music by Diana Chittester. Esther Short Park, 605 Esther St., Vancouver; free. www.cityofvancouver.us/publicworks/page/science-park
Attractions
Public Archaeology Field School, 9 a.m. to 4 p.m. Continues through July 25. Fort Vancouver National Historic Site, 1001 E. Fifth St., Vancouver; free. www.nps.gov/fova For more details, see the go: friday page.