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Elev 797 ft, 42.35 °N, 88.1 °W

Round Lake Heights, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Round Lake Heights, IL
Elevation: 797ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 11:19 AM Apr. 15, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor 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 further notice.

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

* ADDITIONAL DETAILS...
- At 5:30 AM CDT Wednesday the stage was 7.3 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 5:30 AM CDT Wednesday was 7.3 feet.
- Forecast...The river is expected to rise to a crest of 9.5
feet early tomorrow afternoon.
- Flood stage is 7.0 feet.
- Flood History...This crest compares to a previous crest of
9.4 feet on 06/22/2009.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 11:19 AM Apr. 15, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE...
...REPLACES RIVER FLOOD WATCH...

* WHAT...Minor flooding is forecast.

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

* WHEN...From this morning 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 5:30 AM CDT Wednesday the stage was 6.9 feet.
- Forecast...The river is expected to rise above flood stage
this morning and continue rising to a crest of 8.4 feet
Friday morning.
- Flood stage is 7.0 feet.
- http://www.weather.gov/safety/flood

&&



Flood Watch
Issued: 10:15 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall remains
possible.

* WHERE...Portions of Illinois, including the following areas,
Boone, Central Cook, De Kalb, DuPage, Eastern Will, Kane, Kendall,
Lake IL, McHenry, Northern Cook, Northern Will, Ogle, Southern
Cook, Southern Will and Winnebago and northwest Indiana, including
the following area, Lake IN.

* WHEN...Through late tonight.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Roads and streets may
be flooded.

* ADDITIONAL DETAILS...
- Multiple rounds of showers and thunderstorms are expected
through this evening. Elevated soil moisture due to recent
rainfall is expected to increase the susceptibility to flash
flooding.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch for flash flooding means rapid-onset flooding is
possible, but not yet certain, based upon the latest forecasts.
Flash flooding is a dangerous situation. Persons with interests
along area rivers, creeks, and other waterways should monitor the
latest forecasts and be prepared to take action should flooding
develop.

&&

River Flood Watch
Issued: 9:15 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Flooding is possible.

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

* WHEN...Until further notice.

* 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 AM CDT Wednesday the stage was 10.3 feet.
- Forecast...Flood stage may be reached late this evening.
- Flood stage is 11.0 feet.
- 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    Thu  Fri  Sat  Sun
New Munster     11.0  10.0  10.29 3 am 4/15   11.5 12.1 12.1 11.9

-                    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     11.48 3 am 4/08         0.47       12.20 1 am 4/18


&&


River Flood Watch
Issued: 5:24 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE...

* WHAT...Flooding is possible.

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

* WHEN...From this morning until further notice.

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

* ADDITIONAL DETAILS...
- At 11:45 PM CDT Tuesday the stage was 10.6 feet.
- Forecast...Due to recent and forecast rain, the river is
rising and may exceed flood stage by tomorrow.
- Flood stage is 12.5 feet.
- http://www.weather.gov/safety/flood

&&


River Flood Warning
Issued: 2:26 AM Apr. 15, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

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

* ADDITIONAL DETAILS...
- At 8:30 PM CDT Tuesday the stage was 9.4 feet.
- Forecast...Due to rainfall tonight and Wednesday, the river
is expected to rise above flood stage late tonight and remain
in flood for several days.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood

&&



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