Flood Warning Issued for Lake County, Illinois
This alert is no longer in effect.
NOAA issued it on April 15, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Flood Warning is in effect for Lake County, Illinois, due to minor flooding on the Des Plaines River near Gurnee, expected to continue through April 20.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Lake County, Illinois
- Issued
- April 15, 2026
- Issuing authority
- NWS Chicago IL
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Lake County, Illinois.
Alert Details
The National Weather Service in Chicago IL has issued a Flood Warning. This alert is effective from April 15, 2026, at 4:22 AM CDT until April 20, 2026, at 7:00 PM CDT.
Affected Areas
The warning affects Lake County, Illinois, specifically the Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge.
What You Should Do
Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. Avoid the affected areas as flooding is imminent or occurring.
Expected Conditions
Minor flooding is forecast for the Des Plaines River. At 3:30 AM CDT on April 15, 2026, the river stage was 7.0 feet, with expectations to rise to just under 8 feet and remain above the flood stage of 7.0 feet into the weekend.
Timeline
The alert is effective from April 15, 2026, at 4:22 AM CDT, expires on April 15, 2026, at 10:30 PM CDT, and ends on April 20, 2026, at 7:00 PM CDT.
Original source: NOAA Official Notice ↗
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (991 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 15, 2026.
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