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Home Return to list Areal Flood Watch 0014 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-08-15 18:39:32
800
WGUS63 KLOT 152339
FFALOT
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Chicago IL
639 PM CDT Sat Aug 15 2026
ILZ019-021-023-032-033-039-107-108-INZ001-002-010-011-019-160745-
/O.NEW.KLOT.FA.A.0014.260816T0500Z-260816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
La Salle-Grundy-Kankakee-Livingston-Iroquois-Ford-Southern Will-
Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
Including the cities of Bradley, Mendota, Merrillville, Morocco,
Chesterton, Manhattan, Kankakee, Marseilles, Morris, Watseka,
Pontiac, Paxton, Kentland, Coal City, Gary, Wilmington, Gibson City,
La Salle, Roselawn, Hammond, Portage, Rensselaer, Fowler, Streator,
Channahon, Gilman, Bourbonnais, Ottawa, DeMotte, Valparaiso, Dwight,
Beecher, Fairbury, Peotone, Crete, Minooka, and Oxford
639 PM CDT Sat Aug 15 2026 /739 PM EDT Sat Aug 15 2026/
...FLOOD WATCH IN EFFECT FROM MIDNIGHT CDT /1 AM EDT/ TONIGHT THROUGH
SUNDAY MORNING...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...Portions of Illinois, including the following areas,
Eastern Will, Ford, Grundy, Iroquois, Kankakee, La Salle,
Livingston and Southern Will and northwest Indiana, including the
following areas, Benton, Jasper, Lake IN, Newton and Porter.
* WHEN...From midnight CDT /1 AM EDT/ tonight through Sunday
morning.
* IMPACTS...Roads and streets may be flooded. Area creeks and streams
are already elevated, increasing the risk of flooding due to
additional rainfall.
* ADDITIONAL DETAILS...
- Scattered showers and thunderstorms are expected to develop and
move across northern and central Illinois and northwest Indiana
tonight. Torrential rainfall will be possible with these showers
and thunderstorms. With the already elevated soil moisture and
the high vulnerability in the watch area from heavy rain the past
two nights, additional flash flooding and sharp river rises are
possible.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch means flooding is possible, but not yet certain, based
upon the latest forecasts. Persons with interests along area rivers,
creeks, and other waterways should monitor the latest forecasts and
be prepared to take action should flooding develop.
Monitor the latest forecasts and be prepared to action should
flooding develop and make sure you have multiple ways to receive
warnings tonight, including ways that will wake you up.
&&
$$
Yack
Action: Area Extended Issued At: 2026-08-15 23:28:40
420
WGUS63 KLOT 160428
FFALOT
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Chicago IL
1128 PM CDT Sat Aug 15 2026
ILZ020-105-106-161230-
/O.EXA.KLOT.FA.A.0014.260816T0500Z-260816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kendall-Southern Cook-Northern Will-
Including the cities of Oswego, Plano, Yorkville, Mokena, Calumet
City, Plainfield, Joliet, Lemont, Oak Forest, Bolingbrook, Park
Forest, and Orland Park
1128 PM CDT Sat Aug 15 2026
...FLOOD WATCH IN EFFECT UNTIL 10 AM CDT SUNDAY...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northeast Illinois, including the following
areas, Kendall, Northern Will and Southern Cook.
* WHEN...Until 10 AM CDT Sunday.
* IMPACTS...Creeks and streams may rise out of their banks. Roads and
streets may be flooded.
* ADDITIONAL DETAILS...
- Scattered showers and thunderstorms are expected to develop and
move across northern and central Illinois and northwest Indiana
tonight. Torrential rainfall will be possible with these showers
and thunderstorms. With the already elevated soil moisture
localized flooding will be possible.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch means flooding is possible, but not yet certain, based
upon the latest forecasts. Persons with interests along area rivers,
creeks, and other waterways should monitor the latest forecasts and
be prepared to take action should flooding develop.
Monitor the latest forecasts and be prepared to action should
flooding develop and make sure you have multiple ways to receive
warnings tonight, including ways that will wake you up.
&&
$$
ILZ019-021-023-032-033-039-107-108-INZ001-002-010-011-019-161230-
/O.CON.KLOT.FA.A.0014.260816T0500Z-260816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
La Salle-Grundy-Kankakee-Livingston-Iroquois-Ford-Southern Will-
Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
Including the cities of Bradley, Mendota, Merrillville, Morocco,
Chesterton, Manhattan, Kankakee, Marseilles, Morris, Watseka,
Pontiac, Paxton, Kentland, Coal City, Gary, Wilmington, Gibson City,
La Salle, Roselawn, Hammond, Portage, Rensselaer, Fowler, Streator,
Channahon, Gilman, Bourbonnais, Ottawa, DeMotte, Valparaiso, Dwight,
Beecher, Fairbury, Peotone, Crete, Minooka, and Oxford
1128 PM CDT Sat Aug 15 2026 /1228 AM EDT Sun Aug 16 2026/
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT /11 AM EDT/
SUNDAY...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following areas,
Eastern Will, Ford, Grundy, Iroquois, Kankakee, La Salle,
Livingston and Southern Will and northwest Indiana, including the
following areas, Benton, Jasper, Lake IN, Newton and Porter.
* WHEN...Until 10 AM CDT /11 AM EDT/ Sunday.
* IMPACTS...Roads and streets may be flooded. Area creeks and streams
are already elevated, increasing the risk of flooding due to
additional rainfall.
* ADDITIONAL DETAILS...
- Scattered showers and thunderstorms are expected to develop and
move across northern and central Illinois and northwest Indiana
tonight. Torrential rainfall will be possible with these showers
and thunderstorms. With the already elevated soil moisture and
the high vulnerability in the watch area from heavy rain the past
two nights, additional flash flooding and sharp river rises are
possible.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch means flooding is possible, but not yet certain, based
upon the latest forecasts. Persons with interests along area rivers,
creeks, and other waterways should monitor the latest forecasts and
be prepared to take action should flooding develop.
Monitor the latest forecasts and be prepared to action should
flooding develop and make sure you have multiple ways to receive
warnings tonight, including ways that will wake you up.
&&
$$
Yack
Action: Continued Issued At: 2026-08-15 23:28:40
420
WGUS63 KLOT 160428
FFALOT
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Chicago IL
1128 PM CDT Sat Aug 15 2026
ILZ020-105-106-161230-
/O.EXA.KLOT.FA.A.0014.260816T0500Z-260816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kendall-Southern Cook-Northern Will-
Including the cities of Oswego, Plano, Yorkville, Mokena, Calumet
City, Plainfield, Joliet, Lemont, Oak Forest, Bolingbrook, Park
Forest, and Orland Park
1128 PM CDT Sat Aug 15 2026
...FLOOD WATCH IN EFFECT UNTIL 10 AM CDT SUNDAY...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northeast Illinois, including the following
areas, Kendall, Northern Will and Southern Cook.
* WHEN...Until 10 AM CDT Sunday.
* IMPACTS...Creeks and streams may rise out of their banks. Roads and
streets may be flooded.
* ADDITIONAL DETAILS...
- Scattered showers and thunderstorms are expected to develop and
move across northern and central Illinois and northwest Indiana
tonight. Torrential rainfall will be possible with these showers
and thunderstorms. With the already elevated soil moisture
localized flooding will be possible.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch means flooding is possible, but not yet certain, based
upon the latest forecasts. Persons with interests along area rivers,
creeks, and other waterways should monitor the latest forecasts and
be prepared to take action should flooding develop.
Monitor the latest forecasts and be prepared to action should
flooding develop and make sure you have multiple ways to receive
warnings tonight, including ways that will wake you up.
&&
$$
ILZ019-021-023-032-033-039-107-108-INZ001-002-010-011-019-161230-
/O.CON.KLOT.FA.A.0014.260816T0500Z-260816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
La Salle-Grundy-Kankakee-Livingston-Iroquois-Ford-Southern Will-
Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
Including the cities of Bradley, Mendota, Merrillville, Morocco,
Chesterton, Manhattan, Kankakee, Marseilles, Morris, Watseka,
Pontiac, Paxton, Kentland, Coal City, Gary, Wilmington, Gibson City,
La Salle, Roselawn, Hammond, Portage, Rensselaer, Fowler, Streator,
Channahon, Gilman, Bourbonnais, Ottawa, DeMotte, Valparaiso, Dwight,
Beecher, Fairbury, Peotone, Crete, Minooka, and Oxford
1128 PM CDT Sat Aug 15 2026 /1228 AM EDT Sun Aug 16 2026/
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT /11 AM EDT/
SUNDAY...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following areas,
Eastern Will, Ford, Grundy, Iroquois, Kankakee, La Salle,
Livingston and Southern Will and northwest Indiana, including the
following areas, Benton, Jasper, Lake IN, Newton and Porter.
* WHEN...Until 10 AM CDT /11 AM EDT/ Sunday.
* IMPACTS...Roads and streets may be flooded. Area creeks and streams
are already elevated, increasing the risk of flooding due to
additional rainfall.
* ADDITIONAL DETAILS...
- Scattered showers and thunderstorms are expected to develop and
move across northern and central Illinois and northwest Indiana
tonight. Torrential rainfall will be possible with these showers
and thunderstorms. With the already elevated soil moisture and
the high vulnerability in the watch area from heavy rain the past
two nights, additional flash flooding and sharp river rises are
possible.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch means flooding is possible, but not yet certain, based
upon the latest forecasts. Persons with interests along area rivers,
creeks, and other waterways should monitor the latest forecasts and
be prepared to take action should flooding develop.
Monitor the latest forecasts and be prepared to action should
flooding develop and make sure you have multiple ways to receive
warnings tonight, including ways that will wake you up.
&&
$$
Yack
Action: Continued Issued At: 2026-08-16 02:33:44
657
WGUS63 KLOT 160733
FFALOT
Flood Watch
National Weather Service Chicago IL
233 AM CDT Sun Aug 16 2026
ILZ019>021-023-105>108-INZ001-002-160845-
/O.CAN.KLOT.FA.A.0014.000000T0000Z-260816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
La Salle-Kendall-Grundy-Kankakee-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-
Including the cities of Ottawa, Plano, Portage, Valparaiso, La Salle,
Gary, Joliet, Streator, Oswego, Plainfield, Park Forest, Chesterton,
Bradley, Coal City, Morris, Minooka, Kankakee, Manhattan, Peotone,
Mendota, Wilmington, Marseilles, Mokena, Lemont, Crete, Bolingbrook,
Hammond, Channahon, Bourbonnais, Orland Park, Merrillville,
Yorkville, Calumet City, Beecher, and Oak Forest
233 AM CDT Sun Aug 16 2026
...FLOOD WATCH IS CANCELLED...
The Flood Watch is cancelled for portions of Illinois, including the
following areas, Eastern Will, Grundy, Kankakee, Kendall, La Salle,
Northern Will, Southern Cook and Southern Will and northwest Indiana,
including the following areas, Lake IN and Porter.
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
$$
ILZ032-033-039-INZ010-011-019-161500-
/O.CON.KLOT.FA.A.0014.000000T0000Z-260816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Livingston-Iroquois-Ford-Newton-Jasper-Benton-
Including the cities of Pontiac, Fairbury, Kentland, Oxford, Paxton,
Gilman, Morocco, Rensselaer, Roselawn, DeMotte, Gibson City, Dwight,
Fowler, and Watseka
233 AM CDT Sun Aug 16 2026 /333 AM EDT Sun Aug 16 2026/
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT /11 AM EDT/ THIS
MORNING...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following counties,
Ford, Iroquois 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. Flooding
may occur in poor drainage and urban areas. Area creeks and streams
are already elevated, increasing the risk of flooding due to
additional rainfall.
* ADDITIONAL DETAILS...
- A corridor of heavy showers and thunderstorms is developing
across central Illinois and Indiana early this morning and may
extend far enough north to impact portions of the watch area.
Torrential rainfall will be possible with any showers and
thunderstorms that develop and may quickly lead to flooding due
to already saturated soils from recent heavy rainfall.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch means flooding is possible, but not yet certain, based
upon the latest forecasts. Persons with interests along area rivers,
creeks, and other waterways should monitor the latest forecasts and
be prepared to take action should flooding develop.
Monitor the latest forecasts and be prepared to action should
flooding develop.
&&
$$
Petr
Action: Cancelled Issued At: 2026-08-16 02:33:44
657
WGUS63 KLOT 160733
FFALOT
Flood Watch
National Weather Service Chicago IL
233 AM CDT Sun Aug 16 2026
ILZ019>021-023-105>108-INZ001-002-160845-
/O.CAN.KLOT.FA.A.0014.000000T0000Z-260816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
La Salle-Kendall-Grundy-Kankakee-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-
Including the cities of Ottawa, Plano, Portage, Valparaiso, La Salle,
Gary, Joliet, Streator, Oswego, Plainfield, Park Forest, Chesterton,
Bradley, Coal City, Morris, Minooka, Kankakee, Manhattan, Peotone,
Mendota, Wilmington, Marseilles, Mokena, Lemont, Crete, Bolingbrook,
Hammond, Channahon, Bourbonnais, Orland Park, Merrillville,
Yorkville, Calumet City, Beecher, and Oak Forest
233 AM CDT Sun Aug 16 2026
...FLOOD WATCH IS CANCELLED...
The Flood Watch is cancelled for portions of Illinois, including the
following areas, Eastern Will, Grundy, Kankakee, Kendall, La Salle,
Northern Will, Southern Cook and Southern Will and northwest Indiana,
including the following areas, Lake IN and Porter.
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
$$
ILZ032-033-039-INZ010-011-019-161500-
/O.CON.KLOT.FA.A.0014.000000T0000Z-260816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Livingston-Iroquois-Ford-Newton-Jasper-Benton-
Including the cities of Pontiac, Fairbury, Kentland, Oxford, Paxton,
Gilman, Morocco, Rensselaer, Roselawn, DeMotte, Gibson City, Dwight,
Fowler, and Watseka
233 AM CDT Sun Aug 16 2026 /333 AM EDT Sun Aug 16 2026/
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT /11 AM EDT/ THIS
MORNING...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following counties,
Ford, Iroquois 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. Flooding
may occur in poor drainage and urban areas. Area creeks and streams
are already elevated, increasing the risk of flooding due to
additional rainfall.
* ADDITIONAL DETAILS...
- A corridor of heavy showers and thunderstorms is developing
across central Illinois and Indiana early this morning and may
extend far enough north to impact portions of the watch area.
Torrential rainfall will be possible with any showers and
thunderstorms that develop and may quickly lead to flooding due
to already saturated soils from recent heavy rainfall.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch means flooding is possible, but not yet certain, based
upon the latest forecasts. Persons with interests along area rivers,
creeks, and other waterways should monitor the latest forecasts and
be prepared to take action should flooding develop.
Monitor the latest forecasts and be prepared to action should
flooding develop.
&&
$$
Petr
Action: Cancelled Issued At: 2026-08-16 07:58:40 509 WGUS63 KLOT 161258 FFALOT Flood Watch National Weather Service Chicago IL 758 AM CDT Sun Aug 16 2026 ILZ032-033-039-INZ010-011-019-161400- /O.CAN.KLOT.FA.A.0014.000000T0000Z-260816T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Livingston-Iroquois-Ford-Newton-Jasper-Benton- Including the cities of Rensselaer, Morocco, Roselawn, Watseka, Gilman, Kentland, Fowler, Pontiac, Oxford, Paxton, DeMotte, Dwight, Gibson City, and Fairbury 758 AM CDT Sun Aug 16 2026 /858 AM EDT Sun Aug 16 2026/ ...FLOOD WATCH IS CANCELLED... The Flood Watch is cancelled for portions of Illinois, including the following areas, Ford, Iroquois and Livingston and northwest Indiana, including the following areas, Benton, Jasper and Newton. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$ Birk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||