First published · Last updated
Flood Watch issued September 18 at 1:47PM CDT until September 19 at 1:00PM CDT by NWS Chicago IL
The National Weather Service office in Chicago, IL issued a Flood Watch on 2026-09-18 at 1:47 PM CDT in effect until 2026-09-19 at 1:00 PM CDT, indicating potential for flooding in the Chicago area during that period.
Categories: severe-weather-and-natural-disasters, travel-and-transportation
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 9/10
- Geographic reach
- 6/10
- Global importance
- 6/10
- Impact magnitude
- 5/10
- Positivity
- 2/10
- Urgency
- 8/10
Why it matters
A Flood Watch signals conditions are favorable for flooding. If flooding occurs it can damage property, disrupt travel and local services, and create public-safety hazards. People in the affected area should monitor updates and be prepared to take protective action if conditions worsen.

