First published 9/19/2026, 9:04:15 AM · Last updated 9/19/2026, 9:04:15 AM

Flood Watch issued September 19 3:39AM CDT to 1:00PM CDT — NWS Chicago (IL)

The National Weather Service in Chicago issued a Flood Watch for the Chicago, IL area from 3:39 AM CDT until 1:00 PM CDT on September 19, indicating conditions favorable for flooding 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: 9/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 6/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 1/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 7/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Flood watches signal an increased risk of rainfall-driven flooding that can cause localized inundation, road closures, and travel disruptions. Residents and travelers in the Chicago area should monitor forecasts and avoid driving through flooded roadways.

Location

Sources

Flood Watch issued September 19 at 3:39AM CDT until September 19 at 1:00PM CDT by NWS Chicago IL

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