NWUS53 KLOT 192334 LSRLOT Preliminary Local Storm Report National Weather Service Chicago IL 634 PM CDT Sun Apr 19 2026 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0812 PM Tornado 4 SW Mendota 41.50N 89.17W 04/17/2026 La Salle IL NWS Storm Survey An NWS storm survey confirmed an EF-1 tornado with peak winds near 90 mph, path length of 14.9 miles, and maximum width near 700 yards started in Bureau County and moved into LaSalle County. The path was characterized by damage to farm outbuildings, power poles, and trees. && $$