908
NWUS53 KLOT 171901
LSRLOT

Preliminary Local Storm Report...Summary
National Weather Service Chicago IL
201 PM CDT Sun Aug 17 2025

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

0237 AM     Flash Flood      Rogers Park - Chicago   42.01N 87.67W
08/17/2025                   Cook               IL   Public

            North Paulina Street Flooded.

0308 AM     Flash Flood      1 E Wood Dale           41.97N 87.96W
08/17/2025                   DuPage             IL   Public

            2 feet of standing water in back yard and
            sidewalk.

0400 AM     Flash Flood      Gage Park - Chicago     41.79N 87.70W
08/17/2025                   Cook               IL   Public

            Photo shows at least 6 inches of water
            flooding of roadways and sidewalks in Gage
            Park.

0430 AM     Flash Flood      Boulder Hill            41.71N 88.34W
08/17/2025                   Kendall            IL   Trained Spotter

            A car floating in the water in Bouder Hill,
            along with significant basement flooding
            reported. Time is approximate.

0433 AM     Flash Flood      1 SW Joliet             41.52N 88.10W
08/17/2025                   Will               IL   Public

            Report of a car stranded in flooded roadway
            near Center Street before I-80.

0840 AM     Flood            3 W Plainfield          41.61N 88.26W
08/17/2025                   Will               IL   NWS Employee

            Water over road on West Lockport Road and
            County Line Road.

1030 AM     Flood            4 SW Plainfield         41.56N 88.25W
08/17/2025                   Will               IL   Broadcast Media

            Pictures shared to social media of Caton
            Farm Road flooded and closed at Joe Adler
            Drive.

0616 AM     Rain             1 SSE Boulder Hill      41.70N 88.33W
08/17/2025  M5.10 Inch       Kendall            IL   Cocorahs

            Cocorahs station IL-KD-136 Oswego. 24 hour
            total. Most rain occurred between 3am and
            6am.

0630 AM     Rain             2 SE Boulder Hill       41.69N 88.31W
08/17/2025  M4.50 Inch       Kendall            IL   Cocorahs

            Cocorahs station IL-KD-126 Boulder Hill. 24
            hour total. Most rain occurred between 3am
            and 630am.

0700 AM     Rain             1 NNW Sugar Grove       41.78N 88.45W
08/17/2025  M4.08 Inch       Kane               IL   Cocorahs

            Cocorahs station IL-KN-4 Sugar Grove 1 NNW.

0700 AM     Rain             1 WSW Crest Hill        41.55N 88.13W
08/17/2025  M3.58 Inch       Will               IL   CO-OP Observer

            CO-OP Observer station JKJI2 Joliet 2 N.

0700 AM     Rain             1 WNW Montgomery        41.73N 88.35W
08/17/2025  M4.94 Inch       Kane               IL   Mesonet

            Private weather station observation. Total
            rainfall since last afternoon. 4.46 inches
            between 3 and 7am.

0700 AM     Rain             3 NW Oswego             41.71N 88.40W
08/17/2025  M4.96 Inch       Kendall            IL   Cocorahs

            Cocorahs station IL-KD-99 Oswego 3 NW. 24
            hour total. Most rain occurred between 3am
            and 7am.

0700 AM     Rain             4 SW Plainfield         41.57N 88.27W
08/17/2025  M4.58 Inch       Kendall            IL   Cocorahs

            Cocorahs station IL-KD-34 Plainfield 4 SW.

0700 AM     Rain             2 NW Plainfield         41.63N 88.23W
08/17/2025  M3.98 Inch       Will               IL   Cocorahs

            Cocorahs station IL-WL-171 Plainfield 1.7
            WNW. 24 hour total. Most rain occurred
            between 3am and 7am.

0700 AM     Rain             1 N Shorewood           41.53N 88.20W
08/17/2025  M4.21 Inch       Will               IL   Cocorahs

            Cocorahs station IL-WL-122 Shorewood.

0700 AM     Rain             4 S Sugar Grove         41.71N 88.43W
08/17/2025  M3.42 Inch       Kendall            IL   Cocorahs

            Cocorahs station IL-KD-157 Yorkville 4.5 N.

0700 AM     Rain             4 ESE Aurora            41.73N 88.24W
08/17/2025  M3.22 Inch       DuPage             IL   Cocorahs

            Cocorahs station IL-DP-101 Aurora 4 ESE.

0700 AM     Rain             2 N Aurora              41.78N 88.31W
08/17/2025  M2.61 Inch       Kane               IL   CO-OP Observer

            CO-OP Observer station ARRI2 Aurora.

0700 AM     Rain             1 NNW Oswego            41.69N 88.36W
08/17/2025  M5.23 Inch       Kendall            IL   Cocorahs

            Cocorahs station IL-KD-127 Oswego. 24 hour
            total. Most rain occurred between 3am and
            7am.

0700 AM     Rain             3 SE Sugar Grove        41.73N 88.41W
08/17/2025  M5.66 Inch       Kane               IL   Mesonet

            Private weather station observation. Total
            rainfall since last afternoon. 4.88 inches
            between 3 and 7am.

0700 AM     Rain             1 NNE Oswego            41.69N 88.35W
08/17/2025  M6.02 Inch       Kendall            IL   Mesonet

            Private weather station observation. Total
            rainfall since last afternoon. 5.42 inches
            between 3 and 7am.

0700 AM     Rain             2 W Aurora              41.76N 88.35W
08/17/2025  M3.42 Inch       Kane               IL   Cocorahs

            Cocorahs station IL-KN-123 Aurora 2 W.


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