AtmostormCounty briefing
Union County, SD
Severe-weather activation briefing
Generated 2026-09-20T14:07:25.275824+00:00
No active warnings
County exposure (baseline)
Union County, SD has an estimated 19,553 residents, including 1 nursing home, 1 dialysis center, 1 hospital and 14 schools. This is the denominator behind “in the warned path”.