4 products issued by NWS for: Oak Forest IL
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 251 AM CDT Sat Apr 18 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-190800- Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage- La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Cook-Central Cook-Southern Cook-Northern Will- Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton- 251 AM CDT Sat Apr 18 2026 /351 AM EDT Sat Apr 18 2026/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Today and Tonight. Weather hazards expected... Elevated Frost/Freeze Risk tonight, mainly west of Fox Valley. DISCUSSION... Locally sub-freezing temperatures are possible tonight, primarily west of the Fox Valley. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Sunday... Significant Frost and Freeze Risk, away from Chicago. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$
Flood Warning
Flood Warning
National Weather Service Chicago IL
132 AM CDT Sat Apr 18 2026
...Forecast flooding changed from Moderate to Major severity for the
following rivers in Illinois...
Des Plaines River at Lincolnshire affecting Lake IL and Cook
Counties.
For the Des Plaines River...including Lincolnshire...Major flooding
is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
Additional information is available at www.weather.gov.
The next statement will be issued by this evening.
&&
ILC031-097-190045-
/O.CON.KLOT.FL.W.0020.000000T0000Z-000000T0000Z/
/LDRI2.3.ER.260416T0400Z.260420T0000Z.260423T1000Z.NO/
132 AM CDT Sat Apr 18 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Moderate flooding is occurring and major flooding is
forecast.
* WHERE...Des Plaines River from Townline Road in Libertyville
downstream to Palatine Road in Prospect Heights, including the
Lincolnshire gauge.
* WHEN...Until further notice.
* IMPACTS...At 15.0 feet, Structures threatened along IL-22
(Half-Day Road) just east of the river. Multiple structures
threatened near and west of US-45 (Milwaukee Avenue) and Deerfield
Road. Deerfield Road threatened near the river. Multiple trails
inundated in Half-Day Forest Preserve.
* ADDITIONAL DETAILS...
- At 12:45 AM CDT Saturday the stage was 14.1 feet.
- Recent Activity...Recent rainfall caused the river level to
rise quickly from 13.6 feet this afternoon to now over 14
feet.
- Forecast...The river is expected to rise to a crest near 15.5
feet late Saturday. It will then gradually fall through the
early part of next week.
- Flood stage is 12.5 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4224 8797 4224 8788 4212 8784 4212 8794
$$
Doom
Flood Warning
Flood Warning
National Weather Service Chicago IL
1059 PM CDT Fri Apr 17 2026
...The National Weather Service in Chicago IL has issued a Flood
Warning for the following rivers in Illinois...
Des Plaines River at Riverside affecting Cook County.
For the Des Plaines River...including Riverside...Minor flooding is
forecasted.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
Additional information is available at www.weather.gov.
The next statement will be issued by Saturday afternoon.
&&
ILC031-182200-
/O.NEW.KLOT.FL.W.0030.260418T1800Z-260420T0900Z/
/RVRI2.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1059 PM CDT Fri Apr 17 2026
...FLOOD WARNING IN EFFECT FROM SATURDAY AFTERNOON TO EARLY MONDAY
MORNING...
* WHAT...Minor flooding is forecasted.
* WHERE...Des Plaines River from Roosevelt Road in Forest Park
downstream to Hodgkins, including the Riverside gauge.
* WHEN...From Saturday afternoon to early Monday morning.
* IMPACTS...At 8.0 feet, Park areas are inundated near the
confluence of Des Plaines River and Salt Creek.
* ADDITIONAL DETAILS...
- At 9:45 PM CDT Friday the stage was 6.7 feet.
- Forecast...The river is expected to rise above flood stage
early tomorrow afternoon to a crest of 7.9 feet Sunday
morning. It will then fall below flood stage late Sunday
evening.
- Flood stage is 7.5 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4186 8787 4187 8777 4183 8776 4174 8780
4178 8791 4184 8786
$$
Borchardt
Flood Warning
Flood Statement
National Weather Service Chicago IL
1055 PM CDT Fri Apr 17 2026
...The Flood Warning continues for the following rivers in
Illinois...
Des Plaines River near Des Plaines affecting Cook County.
For the Des Plaines River...including Des Plaines, Riverside...Minor
flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
Additional information is available at www.weather.gov.
The next statement will be issued by Saturday afternoon.
&&
ILC031-182200-
/O.CON.KLOT.FL.W.0019.000000T0000Z-000000T0000Z/
/DSPI2.1.ER.260415T1630Z.260419T0000Z.260423T0000Z.NO/
1055 PM CDT Fri Apr 17 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Minor flooding is occurring and minor flooding is
forecasted to continue.
* WHERE...Des Plaines River from Palatine Road in Prospect Heights
downstream to Irving Park Road in Chicago, including the Des
Plaines gauge.
* WHEN...Until further notice.
* IMPACTS...At 17.0 feet, Central Road and Golf Road are threatened
in Des Plaines.
* ADDITIONAL DETAILS...
- At 10:45 PM CDT Friday the stage was 16.3 feet.
- Forecast...The river is expected to rise to a crest of 17.1
feet tomorrow evening. It will then be slow to fall into next
week.
- Flood stage is 15.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4212 8794 4212 8784 4197 8780 4196 8790
$$
Borchardt