AtmostormCounty briefing

Linn County, IA

Severe-weather activation briefing

Generated 2026-09-20T07:49:50.704785+00:00

2 active warnings

Radar over Linn County, IA with the warned area outlined

In the warned path — county-wide (estimate)

~220,000 residents, plus 18 nursing homes, 8 mobile-home parks, 4 dialysis centers, 2 hospitals and 75 schools

Active warnings (2)

1. Flash Flood Warninguntil 2026-09-20T13:00:00+00:00

Flash Flood Warning issued September 20 at 2:02AM CDT until September 20 at 8:00AM CDT by NWS Quad Cities IA IL

In path: ~220,000 residents, 18 nursing homes, 8 mobile-home parks, 4 dialysis centers, 2 hospitals and 73 schools.

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

2. Flood Watchuntil 2026-09-21T02:00:00+00:00

Flood Watch issued September 19 at 8:57PM CDT until September 24 at 12:00AM CDT by NWS Quad Cities IA IL

In path: ~3,700 residents, 2 schools.

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

County exposure (baseline)

Linn County, IA has an estimated 230,299 residents, including 18 nursing homes, 8 mobile-home parks, 4 dialysis centers, 2 hospitals and 81 schools. This is the denominator behind “in the warned path”.