Warning Vector

Flood Watch

NWS Chicago IL ยท US

New
This event was updated at .

Details

Flood Watch In Effect From Late Tonight Through Saturday Morning

Event
Flood Watch
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Future
Severity
Severe
Certainty
Possible
Response
Prepare

Description

What

Flash flooding caused by excessive rainfall is possible.

Where

Portions of Illinois, including the following areas, Cook, De Kalb, DuPage, Kane, Kendall, Lake, Lee, and Northern Will and northwest Indiana, including the following areas, Lake and Porter.

When

From late tonight through Saturday morning.

Impacts

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

Additional details

- Showers and thunderstorms late tonight through Saturday morning may produce widespread rainfall rates up to 2 inches per hour that could lead to flash flooding, particularly over urban areas. Additional thunderstorms Saturday evening into early Sunday morning have the potential to produce torrential rainfall that results in flash flooding, though the exact placement of this rainfall remains unclear. A second Flood Watch for flash flooding may be needed during this period. - http://www.weather.gov/safety/flood

Instructions

A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop.

Affected areas

  • Lake
  • Lee County, IL
  • De Kalb
  • Kane County, IL
  • DuPage County, IL
  • Kendall County, IL
  • Northern Cook
  • Central Cook
  • Southern Cook
  • Northern Will
  • Lake
  • Porter County, IN

Public contact

Issuer
NWS Chicago IL

Message record

Received
Issue to receipt
~53s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2TXHD8NB3BP4NQFX3G4NER8
Identifier
urn:oid:2.49.0.1.840.0.645564b2ad5278c50a8b5452c909e42c2ebbc27c.002.1
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.1489
WMO heading
XOUS53
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
53

Event codes

NameValue
SAMEFFA
NationalWeatherServiceFAA

Parameters

NameValue
AWIPSidentifierFFALOT
WMOidentifierWGUS63 KLOT 181847
NWSheadlineFLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KLOT.FA.A.0016.260919T0900Z-260919T1800Z/
eventEndingTime2026-09-19T13:00:00-05:00
BLOCKCHANNELCMAS
Locations

Location data

  • Lake
  • Lee County, IL
  • De Kalb
  • Kane County, IL
  • DuPage County, IL
  • Kendall County, IL
  • Northern Cook
  • Central Cook
  • Southern Cook
  • Northern Will
  • Lake
  • Porter County, IN
NameValue
SAME017097
SAME017103
SAME017037
SAME017089
SAME017043
SAME017093
SAME017031
SAME017197
SAME018089
SAME018127
UGCILZ006
UGCILZ010
UGCILZ011
UGCILZ012
UGCILZ013
UGCILZ020
UGCILZ103
UGCILZ104
UGCILZ105
UGCILZ106
UGCINZ001
UGCINZ002