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Buffalo Grove, IL Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Buffalo Grove, IL
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Active Weather Alerts

Freeze Warning
Issued: 7:34 AM Apr. 20, 2026 – National Weather Service
...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT /10 AM EDT/ THIS
MORNING...

* WHAT...Sub-freezing temperatures as low as 26 expected, with the
coldest conditions across interior northern Illinois.

* WHERE...Portions of central, east central, north central, and
northeast Illinois and northwest Indiana.

* WHEN...Until 9 AM CDT /10 AM EDT/ this morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

River Flood Warning
Issued: 2:55 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Major flooding is occurring and major flooding is forecast.

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

* WHEN...Until further notice.

* IMPACTS...At 15.0 feet, Highway 50 is closed due to floodwaters
over the highway. There is widespread flooding in the Town of
Wheatland and Village of Salem Lakes.  Floodwaters are into the
lower levels of some homes in those areas along Riverside Drive,
Shorewood Drive, 101st Street and Shorewood Terrace.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Sunday the stage was 15.0 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:00 PM CDT Sunday was 15.0 feet.
- Forecast...The river is expected to gradually fall to 14.8
feet by Monday morning.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
15.0 feet on 08/24/2007.
- 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 pm...
Location        stage stage     stage/time    Mon  Tue  Wed  Thu
New Munster     11.0  10.0  14.95 9 pm 4/19   14.7 14.1 13.5 12.8

-                    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     15.04 7 am 4/19        -0.03       15.00 1 am 4/20


&&



River Flood Warning
Issued: 1:16 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

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

* 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 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 7:45 PM CDT Sunday the stage was 15.1 feet.
- Forecast...The river appears close to cresting. It is
expected to remain near 15.1 to 15.2 feet through the next 24
hours before gradually falling thereafter. It is expected to
remain above flood stage through the week.
- Flood stage is 12.5 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 1:16 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Moderate flooding is occurring and 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 further notice.

* IMPACTS...At 11.0 feet, US-41 (Skokie Highway) threatened near the
river in Gurnee. Mundelein Water Reclamation Facility property is
threatened near Libertyville.

* ADDITIONAL DETAILS...
- At 7:30 PM CDT Sunday the stage was 10.7 feet.
- Forecast...The river appears to have crested. It will
continue gradually falling, but will remain above flood stage
through much of the week.
- Flood stage is 7.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 1:16 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

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

* 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 7:30 PM CDT Sunday the stage was 9.6 feet.
- Forecast...The river appears to be close to cresting. It is
expected to begin falling by tomorrow afternoon, but will
remain above flood stage through much of the week.
- Flood stage is 7.0 feet.
- Flood History...This crest compares to a previous crest of
9.7 feet on 04/02/1960.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 1:11 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Moderate 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 further notice.

* IMPACTS...At 12.0 feet, Structures threatened along River Street,
Johnson Street, and Maiden Lane in East Dundee. North Harrison
Street threatened near Riverside Park in Algonquin. Washington
Street threatened in Carpentersville. Water Street, Edwards
Avenue, and Elgin Avenue threatened in East Dundee. Bayview Road
threatened in Elgin. Low-lying areas of Festival Park are
threatened in Elgin.

* ADDITIONAL DETAILS...
- At 7:30 PM CDT Sunday the stage was 11.5 feet.
- Forecast...The river is expected to continue gradually rising
through the week, and may approach Major flood stage toward
the end of the week.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood

&&



Flood Warning
Issued: 5:12 PM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL 1 PM CDT SATURDAY...

* WHAT...Flooding caused by excessive rainfall is expected.

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

* WHEN...Until 100 PM CDT Saturday Apr 25.

* IMPACTS...Numerous roads, yards, structures, and park land are
expected to flood along the Fox River Chain of Lakes.

* ADDITIONAL DETAILS...
- At 1202 PM CDT, River gauges along the Fox River Chain of
Lakes indicated slowly rises water levels due to recent
rainfall across the area.
- Water levels may near major flood stage by the middle of next
week and remain above flood stage potentially for several
weeks. Impacts from this flood may be similar to those
experienced in May of 1973, October of 1986, or June of 2008.
- 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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to prepare for flooding that hasn't occurred in
several years. Residents living along the immediate shorelines of
the Fox River Chain of Lakes need to take precautions to protect
property including moving valuables to higher ground.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.


&&



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