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858
NWUS53 KLOT 210040
LSRLOT

Preliminary Local Storm Report
National Weather Service Chicago IL
740 PM CDT Sun Sep 20 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     Flash Flood      4 ENE Amboy             41.73N 89.26W
09/20/2026                   Lee                IL   Emergency Mngr

            Updates previous flash flood report from 4
            ENE Amboy. Approximately 200 people had to
            be evacuated from OConnells RV Campground
            due to flooding. Drone footage showed
            numerous structures at and near the
            campground surrounded by flood waters.
            Several vehicles were at least partially
            submerged in the flood waters, and multiple
            roads were flooded. Flooding was still
            ongoing as of 700 PM CDT on 9/20.


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