closegps_fixed
Elev 774 ft, 42.27 °N, 88.2 °W

Island Lake, IL Severe Weather Alertstar_ratehome

icon72 Â°F Island Lake Station|Report|Change
Current Station
Personal Weather Station
Location: Island Lake, IL
Elevation: 774ft
Nearby Weather Stations

Active Weather Alerts

Small Craft Advisory
Issued: 2:32 PM Apr. 17, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 10 PM CDT SATURDAY...
...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM CDT THIS MORNING...

* WHAT...Southwest winds to 25 kt and significant waves to 5 ft
expected.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
to Michigan City IN.

* WHEN...From 1 PM this afternoon to 10 PM CDT Saturday.

* 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: 10:49 AM Apr. 17, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Moderate flooding is occurring and major 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 5:00 AM CDT Friday the stage was 13.8 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 5:00 AM CDT Friday was 13.8 feet.
- Forecast...The river is expected to rise to a crest of 14.3
feet this evening.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
14.5 feet on 04/20/2013.
- 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    Sat  Sun  Mon  Tue
New Munster     11.0  10.0  13.77 5 am 4/17   14.2 13.4 12.8 12.4

-                    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     13.77 5 am 4/17         1.97       14.30 1 am 4/18


&&



River Flood Warning
Issued: 2:44 AM Apr. 17, 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 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 8:30 PM CDT Thursday the stage was 10.4 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:30 PM CDT Thursday was 10.4 feet.
- Forecast...The river is expected to rise to 11.3 feet
Wednesday morning. Additional rises are possible thereafter.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 2:38 AM Apr. 17, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY WEDNESDAY MORNING...

* 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 early Wednesday morning.

* 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.

* ADDITIONAL DETAILS...
- At 8:45 PM CDT Thursday the stage was 13.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:45 PM CDT Thursday was 13.5 feet.
- Forecast...The river is expected to rise to a crest of 14.5
feet early Saturday afternoon.
- Flood stage is 12.5 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 2:38 AM Apr. 17, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL WEDNESDAY AFTERNOON...

* 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 Wednesday afternoon.

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

* ADDITIONAL DETAILS...
- At 9:30 PM CDT Thursday the stage was 9.2 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:30 PM CDT Thursday was 9.3 feet.
- Forecast...The river is expected to rise to a crest of 9.5
feet early Friday afternoon.
- Flood stage is 7.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 2:38 AM Apr. 17, 2026 – National Weather Service
...FLOOD WARNING REMAINS 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 8.0 feet, Agricultural and park land is inundated
near the river. Residential property is threatened near the river.

* ADDITIONAL DETAILS...
- At 8:30 PM CDT Thursday the stage was 8.3 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:30 PM CDT Thursday was 8.3 feet.
- Forecast...The river is expected to rise to a crest of 8.7
feet early Saturday morning.
- Flood stage is 7.0 feet.
- http://www.weather.gov/safety/flood

&&



Local Radar
Local Radar ImageLocal Severe Image