AtmostormCounty briefing

Winneshiek County, IA

Severe-weather activation briefing

Generated 2026-09-20T09:55:28.583806+00:00

1 active warning

Radar over Winneshiek County, IA with the warned area outlined

In the warned path — county-wide (estimate)

~3,300 residents

Active warnings (1)

1. Flood Warninguntil 2026-09-20T15:00:00+00:00

Flood Warning issued September 19 at 8:45PM CDT until September 21 at 7:00AM CDT by NWS La Crosse WI

In path: ~3,300 residents.

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

County exposure (baseline)

Winneshiek County, IA has an estimated 20,070 residents, including 3 nursing homes, 1 dialysis center, 1 hospital and 10 schools. This is the denominator behind “in the warned path”.