climate Archived signal

Flood Advisory issued September 19 at 3:29AM CDT until September 19 at 9:00AM CDT by NWS Chicago IL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Boone County in north central Illinois... Winnebago County in north central Illinois... Lake IL County in northeastern Illinois... McHenry County in northeastern Illinois... * WHEN...Until 900 AM CDT. * IMPACTS...Creeks and streams may rise out of th…

Reported by NWS Alerts Sep 19, 2026 · 08:29 UTC

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INCIDENT EVOLUTION

4 recorded states

Sep 19 · 08:30 UTC

Signal first indexedP2 · 95% quality · 1 source

Sep 19 · 08:40 UTC

Source details updatedP2 · 95% quality · 1 source

Sep 19 · 08:45 UTC

Source details updatedP2 · 95% quality · 1 source

Sep 19 · 10:10 UTC

Source details updatedP2 · 95% quality · 1 source

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Flood Advisory issued September 19 at 3:29AM CDT until September 19 at 9:00AM CDT by NWS Chicago IL

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