AtmostormCounty briefing

Mercer County, OH

Severe-weather activation briefing

Generated 2026-09-20T14:23:18.937291+00:00

1 active warning

Radar over Mercer County, OH with the warned area outlined

In the warned path — county-wide (estimate)

~3,700 residents, plus 2 nursing homes and 4 schools

Active warnings (1)

1. Flood Warninguntil 2026-09-20T18:45:00+00:00

Flood Warning issued September 20 at 9:40AM EDT until September 20 at 2:40PM EDT by NWS Wilmington OH

In path: ~3,700 residents, 2 nursing homes and 4 schools.

Storm details · Full facility list (per-warning briefing)

County exposure (baseline)

Mercer County, OH has an estimated 42,528 residents, including 6 nursing homes, 6 mobile-home parks, 1 dialysis center, 1 hospital and 22 schools. This is the denominator behind “in the warned path”.