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Elev 679 ft, 42.25 °N, 87.84 °W

Lake Forest, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Lake Forest, IL
Elevation: 679ft
Nearby Weather Stations

Active Weather Alerts

Dense Fog Advisory
Issued: 8:03 PM Apr. 16, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY...

* WHAT...Dense fog with visibility less than one half of a mile
expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...Until 7 AM CDT Friday.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

River Flood Warning
Issued: 5:19 PM Apr. 16, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor 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 10.5 feet, Structures threatened along Fox River
Drive in East Dundee. Parking lots threatened in downtown West
Dundee. Low-lying sections of Cornish Park are inundated in
Algonquin. Low-lying sections of Trout Park inundated north of
Elgin.
At 11.0 feet, Structures threatened near Elgin Avenue and Corey
Street south of East Dundee. Lincoln Avenue threatened in West
Dundee. Filip Street and Fox River Drive threatened in Algonquin.
Fox River Trail threatened south of downtown Elgin.
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.

* ADDITIONAL DETAILS...
- At 11:30 AM CDT Thursday the stage was 10.3 feet.
- Recent Activity...The river has continued to slowly rise to
near moderate flood stage.
- Forecast...The river is expected to continue a slow rise over
the next several days. The river may crest near 11.5 by early
next week.
- Flood stage is 9.5 feet.
- Flood History...This crest compares to a previous crest of
11.4 feet on 09/17/2019.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 5:11 PM Apr. 16, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring and moderate 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 14.0 feet, Residences threatened east of the river
just south of IL-22 (Half-Day Road). Lincolnshire Drive threatened
at Wiltshire Lane.
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 10:45 AM CDT Thursday the stage was 13.1 feet.
- Forecast...The river expected to crest near 14.5 feet on
Friday.
- Flood stage is 12.5 feet.
- Flood History...This crest compares to a previous crest of
14.4 feet on 05/01/2020.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 5:11 PM Apr. 16, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* 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 further notice.

* 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 11:30 AM CDT Thursday the stage was 9.2 feet.
- Forecast...The river is expected to a crest near 9.5 feet
Saturday.
- Flood stage is 7.0 feet.
- Flood History...This crest compares to a previous crest of
9.7 feet on 05/02/2020.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 5:11 PM Apr. 16, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring and minor 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 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 11:30 AM CDT Thursday the stage was 8.2 feet.
- Forecast...The river is expected to a crest near 9 feet late
tomorrow.
- Flood stage is 7.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 5:00 PM Apr. 16, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring and moderate flooding is
forecast.

* WHERE...Fox River Lower near New Munster.

* WHEN...Until further notice.

* IMPACTS...At 14.0 feet, There is flooding of the lower levels of
homes in the Town of Wheatland and Village of Salem Lakes areas
long Riverside Drive, Shorewood Drive, 101st Street and Shorewood
Terrace.

* ADDITIONAL DETAILS...
- At 11:00 AM CDT Thursday the stage was 12.3 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:00 AM CDT Thursday was 12.3 feet.
- Forecast...The river is expected to rise to a crest of 13.9
feet early Saturday morning.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
13.7 feet on 05/24/2004.
- 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 1 pm...
Location        stage stage     stage/time    Fri  Sat  Sun  Mon
New Munster     11.0  10.0  12.30 11 am 4/16  13.7 13.9 13.8 13.4

-                    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     12.3  11 am 4/16        1.52       13.90 7 am 4/19


&&



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