As the effects of Harvey linger in the city of Houston and the surrounding areas, many cities have implemented curfews to maintain order. Here are some communities with confirmed curfews: Houston Curfew in effect from midnight until 5 a.m. Katy Curfew in effect from "dawn to dusk." Humble *Exact times may be subject to change Curfew in effect from 10 p.m. to 5 a.m. Pearland  Curfew in effect from midnight to 5 a.m. Missouri City Curfew in effect from 10 p.m. to 6 a.m. Richmond *Only for mandatory evacuated areas Curfew in effect from 8 p.m. to 6 a.m.