AtmostormCounty briefing
Clayton County, IA
Severe-weather activation briefing
Generated 2026-09-20T14:35:34.328442+00:00
3 active warnings
In the warned path — county-wide (estimate)
~0 residents, plus 1 nursing home, 1 hospital and 2 schools
Active warnings (3)
1. Flood Warninguntil 2026-09-21T05:00:00+00:00
Flood Warning issued September 20 at 8:57AM CDT until September 21 at 1:30PM CDT by NWS La Crosse WI
In path: ~0 residents.
2. Flood Warninguntil 2026-09-21T05:00:00+00:00
Flood Warning issued September 20 at 8:57AM CDT until September 21 at 1:45AM CDT by NWS La Crosse WI
In path: ~0 residents, 1 nursing home, 1 hospital and 2 schools.
3. Flood Warninguntil 2026-09-20T22:00:00+00:00
Flood Warning issued September 20 at 6:44AM CDT until September 20 at 5:00PM CDT by NWS La Crosse WI
In path: ~0 residents.
County exposure (baseline)
Clayton County, IA has an estimated 17,043 residents, including 4 nursing homes, 2 hospitals and 10 schools. This is the denominator behind “in the warned path”.