KCWT-CD (channel 21) is a low-power, Class A television station licensed to McAllen, Texas, United States, serving the Lower Rio Grande Valley as an affiliate of The CW Plus. The station also carries non-commercial PBS programming on its fourth subchannel. KCWT-CD is owned by Entravision Communications alongside Harlingen-licensed Fox affiliate KFXV, channel 60 (and translators KMBH-LD and KXFX-CD), McAllen-licensed Univision affiliate KNVO (channel 48), and Class A UniMás affiliate KTFV-CD (channel 32). The stations share studios on North Jackson Road in McAllen, while KCWT-CD's transmitter is located in La Feria, Texas.
Previously, KCWT was a low-power translator of KXFX-CA and KTFV-CA. Entravision has held the rights to The CW in the market since 2007 on several stations; previous to that, it aired on a cable-only affiliate, "KMHB" (later "Rio Grande Valley's CW").