Lake County, IL
Severe-weather activation briefing
Generated 2026-09-20T14:08:21.987654+00:00
4 active warnings
In the warned path — county-wide (estimate)
~140,000 residents, plus 4 nursing homes, 4 dialysis centers, 1 hospital and 34 schools
Active warnings (4)
Flood Watch issued September 20 at 4:12AM CDT until September 24 at 7:00PM CDT by NWS Milwaukee/Sullivan WI
In path: ~1,600 residents.
Flood Watch issued September 19 at 10:03PM CDT by NWS Chicago IL
In path: ~49,000 residents, 3 nursing homes, 1 dialysis center and 16 schools.
Flood Watch issued September 19 at 10:03PM CDT by NWS Chicago IL
In path: ~69,000 residents, 1 nursing home, 3 dialysis centers, 1 hospital and 16 schools.
Flood Watch issued September 19 at 10:03PM CDT by NWS Chicago IL
In path: ~16,000 residents, 2 schools.
County exposure (baseline)
Lake County, IL has an estimated 714,342 residents, including 23 nursing homes, 9 mobile-home parks, 13 dialysis centers, 7 hospitals and 211 schools. This is the denominator behind “in the warned path”.