061
NWUS53 KLOT 130143
LSRLOT
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO IL
843 PM CDT TUE AUG 12 2025
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0922 PM MARINE TSTM WIND 3 NE NAVY PIER 41.92N 87.57W
08/11/2025 M61 MPH LMZ741 IL MESONET
PEAK WIND GUST OF 53 KT. MESONET STATION
CHII2 HARRISON-DEVER CRIB.
0945 PM TSTM WND DMG 3 W WARRENVILLE 41.82N 88.23W
08/11/2025 DUPAGE IL EMERGENCY MNGR
POWER LINES DOWNED JUST NORTH OF BUTTERFIELD
ROAD AND EOLA ROAD ON THE SOUTHEAST SIDE OF
THE FERMILAB COMPLEX. TIME ESTIMATED BY
RADAR.
0946 PM TSTM WND DMG 3 WNW WARRENVILLE 41.84N 88.22W
08/11/2025 DUPAGE IL EMERGENCY MNGR
MULTIPLE LARGE BRANCHES BROKEN NEAR BATAVIA
ROAD AND SAUK BOULEVARD ON THE FERMILAB
CAMPUS. AT LEAST ONE TREE WITH A SNAPPED
TRUNK.
1026 PM MARINE TSTM WIND 3 NE NAVY PIER 41.92N 87.57W
08/11/2025 M48 MPH LMZ741 IL PUBLIC
PEAK WIND GUST OF 42 KT WITH SECOND SURGE OF
WINDS. MESONET STATION CHII2 HARRISON-DEVER
CRIB.
1042 PM FLOOD 1 SE LINCOLN PARK - CHI 41.91N 87.63W
08/11/2025 COOK IL PUBLIC
REPORTS OF A FLOODED VIADUCT WHERE 2 CARS
NEEDED TO BE PULLED OUT.
1050 PM FLOOD 1 WSW CHICAGO LOOP 41.88N 87.65W
08/11/2025 COOK IL BROADCAST MEDIA
WATER BLOCKING SEVERAL LANES ON IDA B WELLS
NEAR EXIT 27C.
1110 PM FLOOD 1 NNE LINCOLN PARK - CH 41.93N 87.64W
08/11/2025 COOK IL TRAINED SPOTTER
ABOUT 8 INCHES OF STANDING WATER IN SPOTS
NEAR THE INTERSECTION OF CLARK STREET AND
WRIGHTWOOD AVENUE.
1122 PM FLOOD 1 WSW LINCOLN PARK - CH 41.92N 87.67W
08/11/2025 COOK IL TRAINED SPOTTER
NEARLY ONE FOOT OF STANDING WATER IN A
VIADUCT AT CORTLAND STREET AND ASHLAND
AVENUE.
1148 PM FLOOD 1 NNE EDGEWATER - CHICA 41.99N 87.66W
08/11/2025 COOK IL PUBLIC
REPORTS OF FLOODED VIADUCT. TIME ESTIMATED
BY RADAR.
1210 AM FLOOD 1 ENE GARFIELD PARK - C 41.89N 87.70W
08/12/2025 COOK IL PUBLIC
REPORT OF FLOODED VIADUCT. 1 CAR NEEDED TO
BE PULLED OUT.
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