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 (Chicago, IL) issued a Flood Watch effective September 18 at 1:47 PM CDT (2026-09-18T18:47:00Z) until September 19 at 1:00 PM CDT (2026-09-19T18:00:00Z).
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
- 4/10
- Global importance
- 6/10
- Impact magnitude
- 4/10
- Positivity
- 2/10
- Urgency
- 7/10
Why it matters
A Flood Watch indicates conditions are favorable for flooding in the specified area during the watch period. Flooding can affect public safety, property, and travel within the impacted area.

