Illinois, Indiana Unknown Hydrologic Outlook | Effective 09/30/2026 11:00
ESFLOT
Waves of rain, and possibly a few thunderstorms, will continue
through Thursday night. High moisture content in the atmosphere will
lead to periods of torrential downpours and the threat for 1 to 3
inches of rainfall on a widespread basis through Thursday night.
Repeated rounds of rain over saturated soils may lead to flooding of
low-lying and poor drainage areas as well as rises on area rivers,
including along the Rock, Fox, DuPage, Des Plaines, and Illinois
Rivers.