First published 9/18/2026, 8:26:15 PM · Last updated 9/18/2026, 8:26:15 PM

Flood Watch issued by NWS Milwaukee/Sullivan (effective Sep 18 13:37 CDT to Sep 19 13:00 CDT)

The National Weather Service (NWS) Milwaukee/Sullivan issued a Flood Watch beginning September 18 at 1:37 PM CDT and in effect until September 19 at 1:00 PM CDT, indicating conditions are favorable for flooding in the forecast area over the next ~24 hours.

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: 5/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How 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

A Flood Watch means flooding is possible; residents and travelers in the Milwaukee area should monitor forecasts, avoid driving through flooded roadways, and prepare for potential localized flooding and travel disruptions.

Location

Sources

Flood Watch issued September 18 at 1:37PM CDT until September 19 at 1:00PM CDT by NWS Milwaukee/Sullivan WI

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