Flood Advisory

NWS Chicago IL · US

Updated

Details

Flood Advisory Will Expire At 1145 AM CDT This Morning

Event: Flood Advisory
Issued: 2026-09-17 16:36:00 UTC
Onset: 2026-09-17 16:36:00 UTC
Message expires: 2026-09-17 16:46:00 UTC
Expected end: 2026-09-17 16:45:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Avoid

Description

The Flood Advisory will expire at 1145 AM CDT this morning for portions of northeast Illinois, including the following areas, Cook, DuPage, Kendall and Will and northwest Indiana, including the following area, Lake IN. Flood waters have receded. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures.

Affected areas

Cook County, IL
DuPage County, IL
Kendall County, IL
Will County, IL
Lake County, IN

Public contact

Issuer: NWS Chicago IL
Website: http://www.weather.gov

Message record

Received: 2026-09-17 16:37:08 UTC
Issue to receipt: ~1m9s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M2R3N99WMEQ6HV2V0MK28NK3
Identifier: urn:oid:2.49.0.1.840.0.4e50c9a7fba596a41f5551646cd2ffb589dd2d27.001.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Chicago IL
AWIPS ID: CAPLOT
NWWS sequence: nwws_processor.6424
WMO heading: XOUS53
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 53

References

Identifier: urn:oid:2.49.0.1.840.0.265d524c3cb91df161a8ab4e295a623ca145280e.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 14:40:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.9c872deed2a4582b5305889652fa4f985ae22e35.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 13:25:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.07b763ea90bfb98307a0b316cb1420fbd7ca544f.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 12:35:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.0e4c34a5c4eef27f55dfdb6432e0742527b7bcb6.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 11:37:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	FAY

Parameters

Name	Value
AWIPSidentifier	FLSLOT
WMOidentifier	WGUS83 KLOT 171636
NWSheadline	FLOOD ADVISORY WILL EXPIRE AT 1145 AM CDT THIS MORNING
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.EXP.KLOT.FA.Y.0118.000000T0000Z-260917T1645Z/
eventEndingTime	2026-09-17T11:45:00-05:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9c872deed2a4582b5305889652fa4f985ae22e35.001.1,2026-09-17T08:25:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.07b763ea90bfb98307a0b316cb1420fbd7ca544f.001.1,2026-09-17T07:35:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0e4c34a5c4eef27f55dfdb6432e0742527b7bcb6.001.1,2026-09-17T06:37:00-05:00

Locations

Location data

Cook County, IL
DuPage County, IL
Kendall County, IL
Will County, IL
Lake County, IN

Name	Value
SAME	017031
SAME	017043
SAME	017093
SAME	017197
SAME	018089
UGC	ILC031
UGC	ILC043
UGC	ILC093
UGC	ILC197
UGC	INC089

Polygons: 41.73,-87.52 41.69,-87.46 41.69,-87.4 41.68,-87.38 41.66,-87.4 41.64,-87.37 41.64,-87.22 41.47,-87.22 41.46,-88.6 41.72,-88.6 41.73,-87.52