Illinois - United States   2026-01-24   Saturday   42.31N, -89.36W

Pecatonica

Illinois - United States
2026-01-24

Hydrologic Outlook issued January 23 at 2:20PM CST by NWS Chicago IL

Issue date: 2026-01-23T20:20+00:00

ESFLOT Cold temperatures this week have caused a significant increase in river ice across the area, including multiple ice jams. Cold temperatures are expected to continue into next week, with favorable conditions for river ice formation. Areas of open river may see new ice growth, while areas with existing ice cover my thicken. No widespread flooding is expected, but ice jams will be possible in isolated areas, especially along the Rock, Fox, and Kankakee rivers. Ice jams may cause rises or fluctuations on area rivers with little warning. Persons with interests along area rivers should closely monitor the latest forecasts.