048
NOUS43 KLOT 130229
PNSLOT
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-131430-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
929 PM CDT FRI JUN 12 2026 /1029 PM EDT FRI JUN 12 2026/
..NWS DAMAGE SURVEY FOR 6/11/2026 TORNADO EVENT
OVERVIEW
BELOW IS A SUMMARY OF DAMAGE SURVEY FINDINGS IN NORTHERN ILLINOIS
AND NORTHWEST INDIANA FROM THE JUNE 11, 2026 SEVERE WEATHER EVENT.
THUS FAR, AT LEAST 7 TORNADOES HAVE BEEN CONFIRMED IN THE NWS
CHICAGO FORECAST AREA FROM THIS EVENT, THOUGH THIS NUMBER IS LIKELY
TO INCREASE AS ADDITIONAL DAMAGE SURVEYS ARE CONDUCTED IN THE COMING
DAYS. ALL OF THE INFORMATION IN THIS PUBLIC INFORMATION STATEMENT IS
PRELIMINARY AND SUBJECT TO CHANGE.
OSAGE TOWNSHIP
RATING: EF1
ESTIMATED PEAK WIND: 110 MPH
PATH LENGTH /STATUTE/: 0.80 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 06/11/2026
START TIME: 05:33 PM CDT
START LOCATION: 3 E WENONA / LA SALLE COUNTY / IL
START LAT/LON: 41.0581 / -88.9837
END DATE: 06/11/2026
END TIME: 05:35 PM CDT
END LOCATION: 4 ENE WENONA / LA SALLE COUNTY / IL
END LAT/LON: 41.0616 / -88.9697
SURVEY SUMMARY:
TORNADO DAMAGE WAS OBSERVED IN RURAL SOUTHERN LASALLE COUNTY EAST
OF WENONA, BEGINNING NEAR THE INTERSECTION OF ILLINOIS-17 AND E
9TH RD IN OSAGE TOWNSHIP. THE TORNADO SNAPPED BOTH A LARGE
HARDWOOD TREE ABOUT ONE-THIRD OF THE WAY FROM THE TOP, AND ALSO A
WOODEN ELECTRICAL POLE. MINOR ROOF DAMAGE TO A SINGLE FAMILY
RESIDENCE WAS ALSO NOTED. THE TORNADO THEN CONTINUED ALONG IL-17,
DESTROYING MULTIPLE MACHINE SHEDS IN THE 900 BLOCK, WITH DEBRIS
STREWN NORTHEASTWARD TOWARD E 10TH RD. THE TORNADO QUICKLY LIFTED
THEREAFTER.
BARTLETT
RATING: EF1
ESTIMATED PEAK WIND: 100 MPH
PATH LENGTH /STATUTE/: 2.99 MILES
PATH WIDTH /MAXIMUM/: 400 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 06/11/2026
START TIME: 07:52 PM CDT
START LOCATION: 2 WSW BARTLETT / DUPAGE COUNTY / IL
START LAT/LON: 41.9684 / -88.2341
END DATE: 06/11/2026
END TIME: 07:57 PM CDT
END LOCATION: 1 ENE BARTLETT / DUPAGE COUNTY / IL
END LAT/LON: 41.9814 / -88.1794
SURVEY SUMMARY:
EYEWITNESS REPORTS AND RADAR DATA INDICATE THAT A TORNADO BEGAN
IN PRATT'S WAYNE WOODS BEFORE QUICKLY INTENSIFYING AND TRACKING
EAST-NORTHEASTWARD INTO BARTLETT. THE TORNADO PRODUCED A
CONCENTRATED AREA OF EF-1 DAMAGE AT A SHOPPING CENTER AT THE
INTERSECTION OF SUTTON ROAD AND STEARNS ROAD, WHERE ROOFING
MATERIAL WAS PEELED OFF OF BUILDINGS, BRICK COLUMNS AND METAL
FENCING WERE BLOWN OUT AT A GARDEN CENTER, AND ALL OF THE GAS
PUMPS AT A GAS STATION WERE BLOWN OVER. THE TORNADO CONTINUED TO
PRODUCE TREE DAMAGE IN THE SUBDIVISIONS TO THE EAST OF THE
SHOPPING CENTER BEFORE DISSIPATING EAST OF BARTLETT ROAD.
-------------------------------------------------------------------
TORNADOES HAVE ALSO BEEN CONFIRMED IN THE FOLLOWING AREAS, BUT
THEIR EXACT TRACKS AND FULL ATTRIBUTES ARE STILL TO BE
DETERMINED:
- STREATOR, IL (PRELIMINARY EF-3)
- GRAYMONT TO DWIGHT, IL (PRELIMINARY EF-1)
- ST. JOHN, IN (PRELIMINARY EF-0)
- MERRILLVILLE, IN (PRELIMINARY EF-2)
- KOUTS, IN (PRELIMINARY EF-3)
ADDITIONAL INFORMATION ABOUT THESE TORNADOES WILL BE MADE AVAILABLE
AT A LATER TIME.
EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE
FOLLOWING CATEGORIES:
EF0.....65 TO 85 MPH
EF1.....86 TO 110 MPH
EF2.....111 TO 135 MPH
EF3.....136 TO 165 MPH
EF4.....166 TO 200 MPH
EF5.....>200 MPH
NOTE:
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENTS AND PUBLICATION IN
NWS STORM DATA.
NWS CHICAGO
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