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Elev 784 ft, 42.35 °N, 88.06 °W

Grayslake, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Grayslake, IL
Elevation: 784ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 1:37 PM Sep. 28, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL THURSDAY EVENING...

* 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 Thursday evening.

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

* ADDITIONAL DETAILS...
- At 7:30 AM CDT Monday the stage was 7.8 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 7:30 AM CDT Monday was 8.1 feet.
- Forecast...The river is expected to fall below flood stage early
Thursday afternoon.
- Flood stage is 7.0 feet.
- Flood History...This crest compares to a previous crest of 7.8
feet on 06/05/1970.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 1:37 PM Sep. 28, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL THIS EVENING...

* WHAT...Minor flooding is occurring.

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

* WHEN...Until this evening.

* IMPACTS...At 7.0 feet, Forest land inundated near the river in
Gurnee.

* ADDITIONAL DETAILS...
- At 7:30 AM CDT Monday the stage was 7.1 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 7:30 AM CDT Monday was 7.6 feet.
- Forecast...The river is expected to fall below flood stage by
early this evening.
- Flood stage is 7.0 feet.
- http://www.weather.gov/safety/flood

&&



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