AtmostormCounty briefing
Williamson County, IL
Severe-weather activation briefing
Generated 2026-09-20T12:14:35.127764+00:00
No active warnings
County exposure (baseline)
Williamson County, IL has an estimated 67,153 residents, including 5 nursing homes, 3 mobile-home parks, 1 dialysis center, 3 hospitals and 24 schools. This is the denominator behind “in the warned path”.