Warning Vector

Flood Advisory

NWS Chicago IL ยท US

New
This event was updated at .

Details

Flood Advisory In Effect Until 8 AM CDT This Morning

Event
Flood Advisory
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Likely
Response
Avoid

Description

What

Flooding caused by excessive rainfall is expected.

Where

Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Southern Kane County in northeastern Illinois... Kendall County in northeastern Illinois... Northern Will County in northeastern Illinois...

When

Until 800 AM CDT.

Impacts

Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas.

Additional details

- At 347 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Chicago, Aurora, Joliet, Naperville, Cicero, Bolingbrook, Orland Park, Tinley Park, Oak Lawn, Berwyn, Wheaton, Oak Park, Downers Grove, Elmhurst, Lombard, Bartlett, Ohare Airport, Carol Stream and Romeoville. - http://www.weather.gov/safety/flood

Instructions

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Affected areas

  • Cook County, IL
  • DuPage County, IL
  • Kane County, IL
  • Kendall County, IL
  • Will County, IL

Public contact

Issuer
NWS Chicago IL

Message record

Received
Issue to receipt
~34s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2Z01EBFCHHSDCSEZ54W3E4G
Identifier
urn:oid:2.49.0.1.840.0.259e83c7ad1a60a98ed2875f2aab014b8deb738d.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.5010
WMO heading
XOUS53
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
53

Event codes

NameValue
SAMENWS
NationalWeatherServiceFAY

Parameters

NameValue
AWIPSidentifierFLSLOT
WMOidentifierWGUS83 KLOT 200848
NWSheadlineFLOOD ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.NEW.KLOT.FA.Y.0122.260920T0848Z-260920T1300Z/
eventEndingTime2026-09-20T08:00:00-05:00
BLOCKCHANNELCMAS
Locations

Location data

  • Cook County, IL
  • DuPage County, IL
  • Kane County, IL
  • Kendall County, IL
  • Will County, IL
NameValue
SAME017031
SAME017043
SAME017089
SAME017093
SAME017197
UGCILC031
UGCILC043
UGCILC089
UGCILC093
UGCILC197
Polygons
41.91,-88.6 41.99,-88.27 42.01,-87.65 41.98,-87.64 41.97,-87.63 41.95,-87.63 41.93,-87.62 41.9,-87.59 41.88,-87.59 41.88,-87.61 41.87,-87.6 41.85,-87.6 41.77,-87.55 41.75,-87.52 41.47,-87.53 41.46,-88.6 41.91,-88.6