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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

Small Craft Advisory
Issued: 3:33 PM Apr. 8, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
THURSDAY...

* WHAT...South winds to 30 kt with occasional gale force gusts to
35 kt and significant waves to 6 ft occasionally to 8 ft
expected.

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

* WHEN...Until 4 AM CDT Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

River Flood Warning
Issued: 3:06 PM Apr. 8, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY TOMORROW AFTERNOON...

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

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

* WHEN...Until early tomorrow afternoon.

* IMPACTS...At 11.5 feet, Water is in the yards of some homes in the
Village of Salem Lakes and Town of Wheatland areas, including
Riverside Dr and Shorewood Dr. There are 3-4 inches of water over
77th Street in the Town of Wheatland.

* ADDITIONAL DETAILS...
- At 9:00 AM CDT Wednesday the stage was 11.4 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:00 AM CDT Wednesday was 11.8 feet.
- Forecast...The river is expected to fall below flood stage
tomorrow morning and continue falling to 9.3 feet Wednesday,
April 15.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
11.3 feet on 03/30/2020.
- 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    Thu  Fri  Sat  Sun
New Munster     11.0  10.0  11.36 9 am 4/08   10.9 10.6 10.3 10.0

-                    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     12.48 12 pm 4/05       -0.50       11.30 1 pm 4/08


&&



River Flood Warning
Issued: 2:36 PM Apr. 8, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SATURDAY EVENING...

* WHAT...Minor flooding is occurring and forecasted to continue.

* WHERE...Fox River from Johnsburg downstream to Red Gate Road in
St. Charles, including the Algonquin Lock & Dam tailwater gauge.

* WHEN...Until Saturday evening.

* IMPACTS...At 9.5 feet, Fox River Drive threatened in East Dundee.
Boathouses threatened along the river in Cary.

* ADDITIONAL DETAILS...
- At 8:30 AM CDT Wednesday the stage was 9.6 feet.
- Forecast...The river is expected to rise crest near 9.7 ft
this afternoon. The river will then begin falling and fall
below flood stage Saturday afternoon.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 2:34 PM Apr. 8, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE FRIDAY EVENING...

* WHAT...Minor flooding is occurring and minor flooding is
forecasted to continue.

* WHERE...Des Plaines River from US-41 in Gurnee downstream to
Townline Road in Vernon Hills, including the Gurnee gauge.

* WHEN...Until late Friday evening.

* IMPACTS...At 9.0 feet, Kilbourne Road and Emerald Avenue
threatened near Grand Avenue in Gurnee.

* ADDITIONAL DETAILS...
- At 8:30 AM CDT Wednesday the stage was 8.4 feet.
- Forecast...The river is expected to gradually fall from this
afternoon onward, and fall below flood stage Friday
afternoon.
- Flood stage is 7.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 2:34 PM Apr. 8, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE FRIDAY MORNING...

* WHAT...Minor flooding is occurring and minor flooding is
forecasted to continue.

* WHERE...Des Plaines River from IL/WI state line downstream to
US-41 in Gurnee, including the Russell gauge.

* WHEN...Until late Friday morning.

* IMPACTS...At 8.0 feet, Agricultural and park land is inundated
near the river. Residential property is threatened near the river.

* ADDITIONAL DETAILS...
- At 8:30 AM CDT Wednesday the stage was 8.3 feet.
- Forecast...The river is expected to continue falling, and
fall below flood stage Friday afternoon.
- Flood stage is 7.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 2:34 PM Apr. 8, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM LATE TONIGHT TO EARLY TOMORROW
AFTERNOON...

* WHAT...Minor flooding is forecasted.

* WHERE...Des Plaines River from Townline Road in Libertyville
downstream to Palatine Road in Prospect Heights, including the
Lincolnshire gauge.

* WHEN...From late tonight to early tomorrow afternoon.

* IMPACTS...At 13.0 feet, Low-lying trails in Wright Woods Forest
Preserve are inundated.

* ADDITIONAL DETAILS...
- At 8:45 AM CDT Wednesday the stage was 12.3 feet.
- Forecast...The river is expected to rise to a crest of 12.5
feet just after midnight tonight. It will then fall below
flood stage tomorrow morning.
- Flood stage is 12.5 feet.
- http://www.weather.gov/safety/flood

&&



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