Flood Watch
NWS Chicago IL ยท US
Details
Flood Watch Now In Effect Through Sunday 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 continues to be possible.
Where
Portions of north central and northeast Illinois, including the following counties, in north central Illinois, Winnebago. In northeast Illinois, McHenry.
When
Through early Sunday 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
- An additional round of showers and thunderstorms, some with very heavy rainfall, are expected this evening and overnight which may result in areas of flash flooding, particularly over urban or areas of poor drainage. - 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
- Winnebago County, IL
- McHenry County, IL
Public contact
- Issuer
- NWS Chicago IL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~43s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2X4WD9WQDZ5DTTA91QYHRHF
- Identifier
- urn:oid:2.49.0.1.840.0.cae5ec79914e610b53719c596cc2a6100ee1c665.001.1
- 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.4923
- WMO heading
- XOUS53
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 53
References
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | FFA |
| NationalWeatherService | FAA |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFALOT |
| WMOidentifier | WGUS63 KLOT 191534 |
| NWSheadline | FLOOD WATCH NOW IN EFFECT THROUGH SUNDAY MORNING |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.EXT.KLOT.FA.A.0016.000000T0000Z-260920T1200Z/ |
| eventEndingTime | 2026-09-20T07:00:00-05:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.93311e257cfccf9da891a3445204312069e25e8d.001.1,2026-09-18T21:49:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.645564b2ad5278c50a8b5452c909e42c2ebbc27c.001.1,2026-09-18T13:47:00-05:00 |
Locations
Location data
- Winnebago County, IL
- McHenry County, IL
| Name | Value |
|---|---|
| SAME | 017201 |
| SAME | 017111 |
| UGC | ILZ003 |
| UGC | ILZ005 |