Heavy rainfall from the weakening remnants also damaged crops and property between August 18–21 in eastern parts of the Ozark Plateau in Missouri. Saint Louis University in St. Louis recorded the highest precipitation total in the state at . St. Louis suffered catastrophic flooding from the remnants of the 1915 hurricane, recording the city's highest single-day rainfall total with on August 20. The rains were also accompanied by gusty winds topping out at . The River Des Peres overflowed its banks, flooding and encompassing many streets including Delmar Boulevard. Train and streetcar service throughout the city was halted. The Wabash Railroad station on Delmar Boulevard was isolated by floodwaters deep and wide. The station's platforms were swept away into the current. The city's sewage and drainage infrastructure clogged, leaving standing water in low-lying streets and preventing residents from eliminating floodwaters from their homes. Congested sewers were responsible for much of the flooding in the West End. Forest Park was flooded, submerging the golf course and endangering the St. Louis Zoo. The subway at Union Station was inundated by of water from Mill Creek. Numerous motor and horse-drawn vehicles became stranded in water. Along Manchester Avenue, homes and mills were destroyed by the fast-moving currents. Hundreds of people were forced to evacuate their homes by boat. All boats in three city parks were seized by the St. Louis Parks Department for use in rescue efforts. In the Carondelet neighborhood, 115 residents were rescued. Five thousand people were rendered homeless; the St. Louis Coliseum was opened as a temporary housing arrangement for displaced residents. Twenty people were killed in the floods, including a family of five at a one-room cottage near Hampton Avenue and six others in the Ellendale neighborhood. A total of 1,025 homes were damaged or destroyed. The Meramec River rose from the flooding, submerging the entire town of Valley Park southwest of St. Louis. Buildings were flooded to their second floors. Damage from the flooding in St. Louis County extending into western Illinois was estimated at $1 million.