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Elev 774 ft, 42.27 °N, 88.2 °W

Island Lake, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Island Lake, IL
Elevation: 774ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 8:43 PM Apr. 28, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL SATURDAY MORNING...

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

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

* WHEN...Until Saturday morning.

* IMPACTS...At 12.0 feet, Water is up to the first floor levels of
some homes in the Town of Wheatland and Village of Salem Lakes
area along Riverside Drive and Shorewood Drive.

* ADDITIONAL DETAILS...
- At 3:00 PM CDT Tuesday the stage was 12.0 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 3:00 PM CDT Tuesday was 12.4 feet.
- Forecast...The river is expected to fall below flood stage
early Saturday morning and continue falling to 10.2 feet
Tuesday, May 05.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
12.2 feet on 06/19/1996.
- 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    Wed  Thu  Fri  Sat
New Munster     11.0  10.0  11.95 3 pm 4/28   11.7 11.4 11.1 10.9

-                    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     14.44 3 pm 4/21        -0.39       12.00 1 pm 4/28


&&



Flood Warning
Issued: 8:07 PM Apr. 28, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...A portion of northeast Illinois, including the following
counties, Lake IL and McHenry.

* WHEN...Until further notice.

* IMPACTS...Multiple roads, yards, and areas of park land are
flooding along the Fox River Chain of Lakes. Flooding is expected
to continue at least through the end of this week.

* ADDITIONAL DETAILS...
- At 301 PM CDT, River gauges along the Fox River Chain of
Lakes indicated that water levels continue to slowly fall. As
of today, all lake gauges have reached minor flood stage.
- The latest forecast from the Illinois Department of Natural
Resources indicates that water levels should continue to
slowly fall this week. Water levels may fall below flood
stage by this weekend.
- Some locations that will experience flooding include...
Antioch, Fox Lake, Lake Villa, Johnsburg, Lakemoor, Long
Lake, Pistakee Highlands, Volo, Channel Lake, Lake Catherine
and Fox Lake Hills.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 3:20 PM Apr. 28, 2026 – National Weather Service
...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.

* ADDITIONAL DETAILS...
- At 9:30 AM CDT Tuesday the stage was 11.6 feet.
- Recent Activity...The river stage continues a gradual slow
fall.
- Forecast...The river is expected to continue a gradual slow
fall.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood

&&



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