Friday Night Concert: 7-8:30 p.m. in City Plaza. Big Mo & the Full Moon Band (blues). Sponsored by Downtown Business Association. Also Art in the Park, Play with clay.
Golden Empire Amateur Radio Society: Social 6:30 p.m.; general meet 7 p.m.; board of directors meet follows. Butte County Search and Rescue building, 2591 Morrow Lane, Chico. Gene Wright, wa6zrt, 345-3515. Third Friday.
Butte County Behavioral Health, Iversen Wellness & Recovery Center: Moving office: closed through Aug. 18; open at new address, 492 Rio Lindo Ave., Aug. 20.