Safety
Flood Warning issued September 20 at 9:45AM CDT until September 21 at 1:00AM CDT by NWS Chicago IL
Source: NWS Alerts (Illinois) · 9/20/2026, 9:45:00 AM
NWS Alerts (Illinois) published an update titled “Flood Warning issued September 20 at 9:45AM CDT until September 21 at 1:00AM CDT by NWS Chicago IL.” BoatingChicago summarizes source headlines for local boaters and always links to the original story — we do not republish full articles.
Why this matters to Chicago boaters: Safety implications for recreational boaters on Lake Michigan — check the official marine forecast and active NOAA/NWS alerts before departure.
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