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Home Return to list Areal Flood Watch 0012 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-08-13 02:08:41
242
WGUS63 KLOT 130708
FFALOT
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Chicago IL
208 AM CDT Thu Aug 13 2026
ILZ008-010-011-019>021-023-032-033-039-106>108-INZ010-011-019-131515-
/O.NEW.KLOT.FA.A.0012.260814T0000Z-260814T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ogle-Lee-De Kalb-La Salle-Kendall-Grundy-Kankakee-Livingston-
Iroquois-Ford-Northern Will-Southern Will-Eastern Will-Newton-
Jasper-Benton-
Including the cities of Rochelle, Mokena, Channahon, Watseka, Crete,
Pontiac, Dwight, Byron, Morocco, Oswego, Oxford, Fairbury, Streator,
Beecher, Yorkville, Fowler, Peotone, La Salle, Bradley, Minooka,
Manhattan, Bourbonnais, Marseilles, Sycamore, Bolingbrook, Dixon,
Mendota, Kankakee, Plainfield, Rensselaer, DeMotte, Ottawa, Gilman,
Joliet, Kentland, Oregon, Gibson City, DeKalb, Morris, Plano,
Wilmington, Roselawn, Coal City, and Paxton
208 AM CDT Thu Aug 13 2026 /308 AM EDT Thu Aug 13 2026/
...FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of Illinois, including the following areas, De
Kalb, Eastern Will, Ford, Grundy, Iroquois, Kankakee, Kendall, La
Salle, Lee, Livingston, Northern Will, Ogle and Southern Will and
northwest Indiana, including the following areas, Benton, Jasper
and Newton.
* WHEN...From this evening through Friday morning.
* IMPACTS...Creeks and streams may rise out of their banks.
* ADDITIONAL DETAILS...
- The potential exists for repeated rounds of showers and
thunderstorms developing north of a stalled surface front.
Localized rainfall rates may exceed 2 inches per hour over
portions of northern Illinois and northwest Indiana tonight into
early Friday morning. Portions of the watch area received as much
as 2 to 4 inches of rainfall over the past few days and will be
more susceptible to flooding with any additional heavy rainfall.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
Ratzer
Action: Continued Issued At: 2026-08-13 20:52:33
822
WGUS63 KLOT 140152
FFALOT
Flood Watch
National Weather Service Chicago IL
852 PM CDT Thu Aug 13 2026
ILZ008-010-011-019>021-023-032-033-039-106>108-INZ010-011-019-141100-
/O.CON.KLOT.FA.A.0012.000000T0000Z-260814T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ogle-Lee-De Kalb-La Salle-Kendall-Grundy-Kankakee-Livingston-
Iroquois-Ford-Northern Will-Southern Will-Eastern Will-Newton-
Jasper-Benton-
Including the cities of Fowler, DeKalb, Bradley, Bourbonnais,
Minooka, Gilman, Beecher, Joliet, Gibson City, Peotone, Manhattan,
Bolingbrook, Marseilles, DeMotte, Mendota, Sycamore, Fairbury,
Streator, Mokena, Coal City, Ottawa, Dwight, Plainfield, Byron,
Channahon, Kankakee, Oxford, Pontiac, Watseka, Oswego, Wilmington, La
Salle, Rochelle, Rensselaer, Oregon, Plano, Paxton, Morris, Roselawn,
Crete, Yorkville, Kentland, Morocco, and Dixon
852 PM CDT Thu Aug 13 2026 /952 PM EDT Thu Aug 13 2026/
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following areas, De
Kalb, Eastern Will, Ford, Grundy, Iroquois, Kankakee, Kendall, La
Salle, Lee, Livingston, Northern Will, Ogle and Southern Will and
northwest Indiana, including the following areas, Benton, Jasper
and Newton.
* WHEN...Through Friday morning.
* IMPACTS...Creeks and streams may rise out of their banks.
* ADDITIONAL DETAILS...
- The potential remains for repeated rounds of showers and
thunderstorms developing north of a stalled surface front.
Localized rainfall rates may exceed 2 inches per hour over
portions of northern Illinois and northwest Indiana tonight into
early Friday morning. Portions of the watch area received as much
as 2 to 4 inches of rainfall over the past few days and will be
more susceptible to flooding with any additional heavy rainfall.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
Yack
Action: Continued Issued At: 2026-08-14 03:34:04
956
WGUS63 KLOT 140833
FFALOT
Flood Watch
National Weather Service Chicago IL
333 AM CDT Fri Aug 14 2026
ILZ008-011-020-106>108-140945-
/O.CAN.KLOT.FA.A.0012.000000T0000Z-260814T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ogle-De Kalb-Kendall-Northern Will-Southern Will-Eastern Will-
Including the cities of Oregon, Bolingbrook, Yorkville, Manhattan,
Sycamore, Rochelle, Plano, Plainfield, Byron, Oswego, Joliet,
Beecher, Peotone, Wilmington, Channahon, DeKalb, Crete, and Mokena
333 AM CDT Fri Aug 14 2026
...FLOOD WATCH IS CANCELLED...
The Flood Watch is cancelled for portions of north central and
northeast Illinois, including the following areas, in north central
Illinois, De Kalb and Ogle. In northeast Illinois, Eastern Will,
Kendall, Northern Will and Southern Will.
Flooding is no longer expected to pose a threat this morning. Another
flooding threat will increase late tonight into Saturday and may
require a new Flood Watch.
$$
ILZ010-019-021-023-032-033-039-INZ010-011-019-141500-
/O.CON.KLOT.FA.A.0012.000000T0000Z-260814T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lee-La Salle-Grundy-Kankakee-Livingston-Iroquois-Ford-Newton-
Jasper-Benton-
Including the cities of Roselawn, Gibson City, La Salle, Watseka,
Gilman, Kankakee, Dixon, Kentland, DeMotte, Oxford, Morocco, Minooka,
Coal City, Morris, Paxton, Fairbury, Pontiac, Bradley, Marseilles,
Rensselaer, Mendota, Dwight, Streator, Fowler, Bourbonnais, and
Ottawa
333 AM CDT Fri Aug 14 2026 /433 AM EDT Fri Aug 14 2026/
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT /11 AM EDT/ THIS
MORNING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following counties,
Ford, Grundy, Iroquois, Kankakee, La Salle, Lee and Livingston and
northwest Indiana, including the following counties, Benton, Jasper
and Newton.
* WHEN...Until 10 AM CDT /11 AM EDT/ this morning.
* IMPACTS...Creeks and streams may rise out of their banks.
* ADDITIONAL DETAILS...
- While the threat of the highest coverage of heavy rain has ended,
additional thunderstorms with torrential rainfall occurring over
already saturated soil may lead to additional flooding this
morning.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch for flash flooding means rapid-onset flooding is
possible, but not yet certain, based upon the latest forecasts. Flash
flooding is a dangerous situation. Persons with interests along area
rivers, creeks, and other waterways should monitor the latest
forecasts and be prepared to take action should flooding develop.
&&
$$
Kluber
Action: Cancelled Issued At: 2026-08-14 03:34:04
956
WGUS63 KLOT 140833
FFALOT
Flood Watch
National Weather Service Chicago IL
333 AM CDT Fri Aug 14 2026
ILZ008-011-020-106>108-140945-
/O.CAN.KLOT.FA.A.0012.000000T0000Z-260814T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ogle-De Kalb-Kendall-Northern Will-Southern Will-Eastern Will-
Including the cities of Oregon, Bolingbrook, Yorkville, Manhattan,
Sycamore, Rochelle, Plano, Plainfield, Byron, Oswego, Joliet,
Beecher, Peotone, Wilmington, Channahon, DeKalb, Crete, and Mokena
333 AM CDT Fri Aug 14 2026
...FLOOD WATCH IS CANCELLED...
The Flood Watch is cancelled for portions of north central and
northeast Illinois, including the following areas, in north central
Illinois, De Kalb and Ogle. In northeast Illinois, Eastern Will,
Kendall, Northern Will and Southern Will.
Flooding is no longer expected to pose a threat this morning. Another
flooding threat will increase late tonight into Saturday and may
require a new Flood Watch.
$$
ILZ010-019-021-023-032-033-039-INZ010-011-019-141500-
/O.CON.KLOT.FA.A.0012.000000T0000Z-260814T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lee-La Salle-Grundy-Kankakee-Livingston-Iroquois-Ford-Newton-
Jasper-Benton-
Including the cities of Roselawn, Gibson City, La Salle, Watseka,
Gilman, Kankakee, Dixon, Kentland, DeMotte, Oxford, Morocco, Minooka,
Coal City, Morris, Paxton, Fairbury, Pontiac, Bradley, Marseilles,
Rensselaer, Mendota, Dwight, Streator, Fowler, Bourbonnais, and
Ottawa
333 AM CDT Fri Aug 14 2026 /433 AM EDT Fri Aug 14 2026/
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT /11 AM EDT/ THIS
MORNING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following counties,
Ford, Grundy, Iroquois, Kankakee, La Salle, Lee and Livingston and
northwest Indiana, including the following counties, Benton, Jasper
and Newton.
* WHEN...Until 10 AM CDT /11 AM EDT/ this morning.
* IMPACTS...Creeks and streams may rise out of their banks.
* ADDITIONAL DETAILS...
- While the threat of the highest coverage of heavy rain has ended,
additional thunderstorms with torrential rainfall occurring over
already saturated soil may lead to additional flooding this
morning.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch for flash flooding means rapid-onset flooding is
possible, but not yet certain, based upon the latest forecasts. Flash
flooding is a dangerous situation. Persons with interests along area
rivers, creeks, and other waterways should monitor the latest
forecasts and be prepared to take action should flooding develop.
&&
$$
Kluber
Action: Expired Issued At: 2026-08-14 09:56:15 701 WGUS63 KLOT 141455 FFALOT Flood Watch National Weather Service Chicago IL 955 AM CDT Fri Aug 14 2026 ILZ010-019-021-023-032-033-039-INZ010-011-019-141600- /O.EXP.KLOT.FA.A.0012.000000T0000Z-260814T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lee-La Salle-Grundy-Kankakee-Livingston-Iroquois-Ford-Newton- Jasper-Benton- Including the cities of Minooka, Dixon, Marseilles, Streator, Fowler, Rensselaer, Mendota, La Salle, Paxton, DeMotte, Roselawn, Coal City, Fairbury, Pontiac, Ottawa, Watseka, Gilman, Gibson City, Oxford, Morocco, Dwight, Kentland, Bourbonnais, Bradley, Kankakee, and Morris 955 AM CDT Fri Aug 14 2026 /1055 AM EDT Fri Aug 14 2026/ ...FLOOD WATCH WILL EXPIRE AT 10 AM CDT /11 AM EDT/ THIS MORNING... The Flood Watch will expire for portions of Illinois including Ford, Grundy, Iroquois, Kankakee, La Salle, Lee and Livingston counties and northwest Indiana including Benton, Jasper and Newton counties. The flash flooding threat has ended this morning. However, a new Flash Flood Watch may be needed for additional showers and thunderstorms tonight. $$ Borchardt | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||