140
NWUS53 KLOT 182221
LSRLOT
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
521 PM CDT TUE AUG 18 2026
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
1020 AM TORNADO 5 E SENECA 41.31N 88.51W
08/11/2026 GRUNDY IL NWS STORM SURVEY
AN NWS STORM SURVEY CONFIRMED THAT AN EF-0
TORNADO WITH ESTIMATED PEAK WINDS OF 80 MPH,
A PATH LENGTH OF 1.6 MILES, AND A PEAK WIDTH
OF 250 YARDS OCCURRED IN NORMAN TOWNSHIP,
SOUTHWEST OF MORRIS.
1023 AM TORNADO 3 N MORRIS 41.40N 88.42W
08/11/2026 GRUNDY IL NWS STORM SURVEY
AN NWS STORM SURVEY CONFIRMED THAT AN EF-0
TORNADO WITH ESTIMATED PEAK WINDS OF 80 MPH,
A PATH LENGTH OF 2.2 MILES, AND A PEAK WIDTH
OF 150 YARDS OCCURRED ON THE NORTHEAST SIDE
OF MORRIS.
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