KBOI (670 AM) is a Class B regional radio station licensed to BOISE, ID. Operating with 50 kW daytime power using a directional (different day/night patterns) antenna system with 6 towers. At night it operates at 50 kW. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by Cumulus Media. It broadcasts a Talk radio format.