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Elev 233 ft, 42.27 °N, 88 °W

Mundelein, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Mundelein, IL
Elevation: 233ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 3:27 PM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW MORNING...

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

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

* WHEN...Until tomorrow morning.

* IMPACTS...At 11.0 feet, Floodwaters begin to affect 77th St. in
the Town of Wheatland. Floodwaters are near some homes along
Riverside Dr, Shorewood Dr, and Highway W in the Village of Salem
Lakes and Town of Wheatland areas. Fox River Park boat launch
starts to flood.

* ADDITIONAL DETAILS...
- At 10:00 AM CDT Thursday the stage was 11.1 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:00 AM CDT Thursday was 11.6 feet.
- Forecast...The river is expected to fall below flood stage
just after midnight tonight and continue falling to 9.5 feet
Thursday, May 07.
- 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    Fri  Sat  Sun  Mon
New Munster     11.0  10.0  11.13 10 am 4/30  10.9 10.6 10.4 10.1

-                    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     13.96 11 am 4/23       -0.49       11.10 7 pm 4/30


&&



River Flood Warning
Issued: 2:33 PM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY TUESDAY MORNING...

* 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 early Tuesday morning.

* IMPACTS...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.

* ADDITIONAL DETAILS...
- At 8:30 AM CDT Thursday the stage was 11.1 feet.
- Forecast...The river is expected to continue a gradual slow
fall.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood

&&



Flood Warning
Issued: 9:36 PM Apr. 29, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL SUNDAY...

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

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

* WHEN...Until Sunday.

* IMPACTS...Multiple roads, yards, and areas of park land are
flooding along the Fox River Chain of Lakes. Flooding is expected
to continue until this weekend.

* ADDITIONAL DETAILS...
- At 431 PM CDT, River gauges along the Fox River Chain of
Lakes indicated that water levels continue to slowly fall.
- The latest forecast from the Illinois Department of Natural
Resources indicates that water levels should fall to near
flood stage by this weekend.
- Some locations that will experience flooding include areas
along the Fox River Chain of Lakes, including Nippersink
Lake, Fox Lake, Pistakee Lake, Petite Lake, Lake Marie,
Channel Lake, and Lake Catherine.
- http://www.weather.gov/safety/flood

&&



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