Flash Flood — La Salle, Illinois

2025-08-17 · near La Salle, La Salle, Illinois

Event narrative

Street flooding was reported near 11th St in La Salle, including water flowing into a residential garage.

Wider weather episode

During the evening of the 17th, a strong thunderstorm brought torrential rainfall to parts of LaSalle County.

View location on OpenStreetMap → (41.3391, -89.0959)

Source: NOAA Storm Events Database, event_id 1287842. Narrative written by the NWS forecast office that issued the report.