7 products issued by NWS for: 2 Miles SW Gages Lake 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 Statement
National Weather Service Milwaukee/Sullivan WI
527 AM CDT Sat Apr 18 2026
...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...
Baraboo River Near Baraboo affecting Sauk and Columbia Counties.
Rock River At Fort Atkinson affecting Jefferson County.
Rock River At Afton affecting Rock and Winnebago Counties.
Rock River At Jefferson affecting Jefferson County.
Rock River At Watertown affecting Jefferson County.
ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.
Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.
Fox River Near Berlin affecting Green Lake County.
Crawfish River At Milford affecting Jefferson County.
Fox River Lower At Waukesha affecting Waukesha County.
Fox River Lower Near New Munster affecting Kenosha and Lake
Counties.
Milwaukee River Near Cedarburg affecting Ozaukee County.
Pecatonica River At Martintown affecting Green County.
Root River Canal At Raymond affecting Racine County.
Turtle Creek Near Clinton affecting Rock and Winnebago Counties.
Wisconsin River At Portage affecting Columbia County.
...The Flood Warning is cancelled for the following rivers in
Wisconsin...
Wisconsin River At Wisconsin Dells affecting Sauk and Columbia
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued this morning at 630 AM CDT.
&&
ILC097-WIC059-182230-
/O.CON.KMKX.FL.W.0015.000000T0000Z-000000T0000Z/
/NMSW3.3.ER.260404T0200Z.260419T1800Z.000000T0000Z.NO/
527 AM CDT Sat Apr 18 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Major flooding is occurring and major flooding is forecast.
* WHERE...Fox River Lower near New Munster.
* WHEN...Until further notice.
* IMPACTS...At 15.0 feet, Highway 50 is closed due to floodwaters
over the highway. There is widespread flooding in the Town of
Wheatland and Village of Salem Lakes. Floodwaters are into the
lower levels of some homes in those areas along Riverside Drive,
Shorewood Drive, 101st Street and Shorewood Terrace.
* ADDITIONAL DETAILS...
- At 4:00 AM CDT Saturday the stage was 14.4 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 4:00 AM CDT Saturday was 14.4 feet.
- Forecast...The river is expected to rise to a crest of 15.0
feet early tomorrow afternoon.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
15.0 feet on 08/24/2007.
- http://www.weather.gov/safety/flood
&&
River forecasts are available for some but not all river gaging
locations. The 7 day river forecast takes into account past
precipitation, soil moisture conditions, and predicted
precipitation for the basin. Precipitation is for the next 24 hours
in the future from April through September and for 48 hours in the
future from October through March.
(Stages in ft.) Bank- Latest Forecast stages
- Flood full observed ...for 7 am...
Location stage stage stage/time Sun Mon Tue Wed
New Munster 11.0 10.0 14.41 4 am 4/18 14.9 14.6 14.0 13.3
- Highest 24 hour change
- observed in river stage
- stage in (ft.) up to Highest stage
- the last latest observed forecast in
- 7 days stage next 7 days
New Munster 14.42 3 am 4/18 0.63 15.00 1 pm 4/19
&&
LAT...LON 4262 8830 4262 8817 4255 8814 4246 8814
4246 8822 4255 8824
$$
Flood Warning
Flood Warning
National Weather Service Chicago IL
154 AM CDT Sat Apr 18 2026
ILC007-097-111-181300-
/O.NEW.KLOT.FA.W.0002.260418T0654Z-260418T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone IL-Lake IL IL-McHenry IL-
154 AM CDT Sat Apr 18 2026
...FLOOD WARNING IN EFFECT UNTIL 8 AM CDT THIS MORNING...
...REPLACES FLASH FLOOD WARNING...
* WHAT...Flooding caused by excessive rainfall is occurring.
* WHERE...Portions of north central and northeast Illinois,
including the following counties, in north central Illinois,
Boone. In northeast Illinois, Lake IL and McHenry.
* WHEN...Until 800 AM CDT Saturday.
* 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...
- At 152 AM CDT, Doppler radar and automated rain gauges
indicated heavy rain due to thunderstorms. Flooding is
ongoing or expected to begin shortly. Up to 2 inches of rain
have fallen.
- Some locations that will experience flooding include...
Waukegan, Buffalo Grove, Crystal Lake, North Chicago, Gurnee,
Mundelein, Algonquin, Highland Park, Lake in the Hills, Round
Lake Beach, McHenry, Belvidere, Vernon Hills, Woodstock,
Zion, Huntley, Loves Park, Grayslake, Libertyville and Lake
Zurich.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means flooding is imminent or may already be
occurring. Persons along rivers, creeks, and other waterways should
take immediate precautions to protect life and property.
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4222 8894 4247 8894 4247 8882 4249 8874
4249 8780 4246 8778 4238 8779 4235 8781
4229 8782 4221 8779 4215 8774 4216 8776
4216 8777 4215 8875
$$
Doom
Flood Warning
Flood Statement
National Weather Service Chicago IL
133 AM CDT Sat Apr 18 2026
...The Flood Warning continues for the following rivers in
Illinois...
Des Plaines River near Russell affecting Lake IL County.
For the Des Plaines River...including Russell...Moderate 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.
&&
ILC097-190045-
/O.CON.KLOT.FL.W.0018.000000T0000Z-000000T0000Z/
/RUSI2.2.ER.260415T1155Z.260418T1200Z.000000T0000Z.NO/
133 AM CDT Sat Apr 18 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Des Plaines River from IL/WI state line downstream to
US-41 in Gurnee, including the Russell gauge.
* WHEN...Until further notice.
* IMPACTS...At 8.0 feet, Agricultural and park land is inundated
near the river. Residential property is threatened near the river.
At 9.5 feet, Residential structures threatened along Russell Road
between the river and Kilbourne Road. Industrial parking lots
threatened along Kilbourne Road.
* ADDITIONAL DETAILS...
- At 12:30 AM CDT Saturday the stage was 9.2 feet.
- Recent Activity...Recent rainfall caused the river level to
jump quickly from 8.7 feet this morning to now over 9 feet.
- Forecast...The river is expected to crest at just over 9 feet
early Saturday before gradually falling over the next few
days.
- Flood stage is 7.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4251 8797 4250 8787 4247 8789 4239 8787
4239 8796 4247 8799
$$
Doom
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 Statement
National Weather Service Chicago IL
1124 PM CDT Fri Apr 17 2026
...The Flood Warning continues for the following rivers in
Illinois...
Fox River at Montgomery affecting Kendall and Kane Counties.
Fox River at Algonquin Lock & Dam tailwater affecting Lake IL,
Kane and McHenry Counties.
For the Fox River (Illinois)...including Algonquin Lock & Dam
tailwater, Montgomery, Dayton...Moderate 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.
&&
ILC089-097-111-182230-
/O.CON.KLOT.FL.W.0016.000000T0000Z-000000T0000Z/
/AFBI2.2.ER.260414T1200Z.260423T0600Z.000000T0000Z.NO/
1124 PM CDT Fri Apr 17 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Fox River from Johnsburg downstream to Red Gate Road in
St. Charles, including the Algonquin Lock & Dam tailwater gauge.
* WHEN...Until further notice.
* IMPACTS...At 11.5 feet, Residences threatened along Oceola Drive
in Algonquin. A few residences threatened along McBridge Street in
Elgin. Jayne Street and Beach Drive threatened in Algonquin. River
Street threatened in East Dundee. Jerusha Avenue threatened in
Elgin. Fox River Trail threatened between East Dundee and Elgin.
At 12.0 feet, Structures threatened along River Street, Johnson
Street, and Maiden Lane in East Dundee. North Harrison Street
threatened near Riverside Park in Algonquin. Washington Street
threatened in Carpentersville. Water Street, Edwards Avenue, and
Elgin Avenue threatened in East Dundee. Bayview Road threatened in
Elgin. Low-lying areas of Festival Park are threatened in Elgin.
* ADDITIONAL DETAILS...
- At 10:30 PM CDT Friday the stage was 10.9 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:30 PM CDT Friday was 10.9 feet. The river has
begun to rise due to recent rainfall.
- Forecast...The river is now expected to crest near 11.5 to
12.0 feet late next week due to recent rainfall.
- Flood stage is 9.5 feet.
- Flood History...This crest compares to a previous crest of
11.8 feet on 05/23/2020.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4238 8829 4234 8818 4223 8813 4194 8827
4195 8838 4219 8830
$$
WSL
Flood Warning
Flood Statement
National Weather Service Chicago IL
1113 PM CDT Fri Apr 17 2026
...The Flood Warning continues for the following rivers in
Illinois...
Des Plaines River near Gurnee affecting Lake IL County.
Des Plaines River at Lincolnshire affecting Cook and Lake IL
Counties.
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.
&&
ILC097-182215-
/O.EXT.KLOT.FL.W.0017.000000T0000Z-260424T1601Z/
/GUNI2.2.ER.260415T0856Z.260419T0600Z.260424T1000Z.NO/
1113 PM CDT Fri Apr 17 2026
...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY, APRIL 24...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Des Plaines River from US-41 in Gurnee downstream to
Townline Road in Vernon Hills, including the Gurnee gauge.
* WHEN...Until Friday, April 24.
* IMPACTS...At 10.0 feet, Residences threatened along Kilbourne Road
and near O`Plaine Road and McClure Avenue in Gurnee. Businesses
threatened along Old Grand Avenue near IL-132 in Gurnee. IL-132
(Grand Avenue) is threatened east of the river in Gurnee.
* ADDITIONAL DETAILS...
- At 10:30 PM CDT Friday the stage was 9.4 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:30 PM CDT Friday was 9.4 feet. The river has
begun to rise due to recent rainfall.
- Forecast...The river is expected to crest near 10.0 feet on
Sunday.
- Flood stage is 7.0 feet.
- Flood History...This crest compares to a previous crest of
9.8 feet on 05/20/2020.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4239 8796 4239 8787 4230 8791 4224 8788
4224 8797 4230 8800
$$