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Emergency Management

Johnson County, IA — Severe Weather Impact

Who and what is in the warned path. Decision-support only — confirm with your local NWS office; facility coverage is incomplete for some kinds.

4 active warnings

In the warned path right now: ~152,854 residents, plus 2 hospitals, 7 nursing homes, 13 mobile-home parks, 41 schools and 2 dialysis centers.

🔔 Get warned for Johnson County, IA

One tap turns on push alerts for Tornado & Severe Thunderstorm Warnings that hit Johnson County, IA — even when the app is closed. No account needed.

Active warnings

Flood Warninguntil
Flood Warning issued September 20 at 7:55AM CDT until September 20 at 1:45PM CDT by NWS Quad Cities IA IL
In the path: ~4,882 residents, 1 nursing home and 4 schools.
Storm details, timeline & reports →
Flood Warninguntil
Flood Warning issued September 20 at 5:43AM CDT until September 22 at 6:00PM CDT by NWS Quad Cities IA IL
In the path: ~0 residents.
Storm details, timeline & reports →
Flash Flood Warninguntil
Flash Flood Warning issued September 20 at 5:41AM CDT until September 20 at 8:15AM CDT by NWS Quad Cities IA IL
In the path: ~147,972 residents, 2 hospitals, 6 nursing homes, 13 mobile-home parks, 37 schools and 2 dialysis centers.
Storm details, timeline & reports →
Flood Warninguntil
Flood Warning issued September 20 at 5:32AM CDT until September 22 at 5:00PM CDT by NWS Quad Cities IA IL
In the path: ~0 residents.
Storm details, timeline & reports →

County exposure

The at-risk baseline for Johnson County, IA — the denominator behind “in the path”.

152,854
Residents
2
hospitals
7
nursing homes
13
mobile-home parks
41
schools
2
dialysis centers
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Not an official warning source. Always confirm with your local NWS office and follow official guidance. Impact figures are estimates from public data (census + facility datasets) and are incomplete for some facility kinds.