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Emergency Management

LaSalle County, IL — 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.

2 active warnings

In the warned path right now: ~39,167 residents, plus 1 nursing home, 21 schools and 1 dialysis center.

🔔 Get warned for LaSalle County, IL

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

Active warnings

Flash Flood Warninguntil
Flash Flood Warning issued September 20 at 2:12AM CDT until September 20 at 8:00AM CDT by NWS Chicago IL
In the path: ~27,916 residents, 1 nursing home and 14 schools.
Storm details, timeline & reports →
Flood Warninguntil
Flood Warning issued September 19 at 10:10PM CDT until September 22 at 9:00PM CDT by NWS Chicago IL
In the path: ~18,187 residents, 10 schools and 1 dialysis center.
Storm details, timeline & reports →

County exposure

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

109,658
Residents
9
nursing homes
54
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.