564
NOUS43 KLOT 300146
PNSLOT
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-301400-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
846 PM CDT WED JUL 29 2026 /946 PM EDT WED JUL 29 2026/
..NWS DAMAGE SURVEY FOR 7/27/2026 SEVERE WEATHER EVENT
OVERVIEW
INTENSE THUNDERSTORMS OCCURRED IN NORTHEAST ILLINOIS AND NORTHWEST
INDIANA DURING THE LATE MORNING AND AFTERNOON OF JULY 27, 2026.
THESE STORMS PRODUCED AT LEAST 5 TORNADOES IN THE NWS CHICAGO
SERVICE AREA, WHICH ARE DETAILED BELOW.
ADDITIONALLY, THESE STORMS CAUSED EXTENSIVE STRAIGHT-LINE WIND
DAMAGE ACROSS SEVERAL LOCATIONS IN AND NEAR THE CHICAGO
METROPOLITAN AREA. THIS INCLUDED PORTIONS OF SOUTHERN COOK AND
EASTERN WILL COUNTIES, INCLUDING IN AND NEAR THE COMMUNITIES OF
CHICAGO HEIGHTS, FORD HEIGHTS, SAUK VILLAGE, STEGER, CRETE,
MONEE, FRANKFORT, AND BEECHER, WHERE 80-90+ MPH WIND GUSTS LED TO
SUBSTANTIAL TREE DAMAGE AND MULTIPLE INSTANCES OF NOTABLE
STRUCTURAL DAMAGE.
WE WOULD LIKE TO THANK OUR EMERGENCY MANAGEMENT PARTNERS FOR THEIR
ASSISTANCE IN THE DAMAGE INFORMATION COLLECTION AND SURVEY
PROCESS. WE WOULD ALSO LIKE TO THANK OUR BROADCAST MEDIA PARTNERS
AND THE GENERAL PUBLIC FOR RELAYING REPORTS OF STORM DAMAGE TO OUR
OFFICE.
GLEN ELLYN
RATING: EF0
ESTIMATED PEAK WIND: 75 MPH
PATH LENGTH /STATUTE/: 0.94 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 07/27/2026
START TIME: 11:55 AM CDT
START LOCATION: 2 SSE GLENDALE HEIGHTS / DUPAGE COUNTY / IL
START LAT/LON: 41.8946 / -88.0658
END DATE: 07/27/2026
END TIME: 11:57 AM CDT
END LOCATION: 1 N GLEN ELLYN / DUPAGE COUNTY / IL
END LAT/LON: 41.8811 / -88.0633
SURVEY SUMMARY:
A BRIEF TORNADO BEGAN NEAR THE INTERSECTION OF STACY COURT AND
RAILROAD STREET IN UNINCORPORATED NORTH GLEN ELLYN. A NARROW
CORRIDOR OF PRIMARILY TREE DAMAGE CONTINUED SOUTH-SOUTHEAST
ACROSS PORTIONS OF GLEN ELLYN. THIS DAMAGE INCLUDED LARGE
BRANCHES THAT FELL ONTO POWER LINES AND DAMAGED SOME HOMES AND A
VEHICLE. DAMAGE IN THIS AREA WAS CONSISTENT WITH PEAK WINDS NEAR
75 MPH. THE TORNADO CONTINUED SOUTHWARD, PRODUCING ADDITIONAL
SPORADIC TREE DAMAGE UNTIL IT DISSIPATED NORTHWEST OF GLENBARD
WEST HIGH SCHOOL NEAR THE INTERSECTION OF HAWTHORNE BOULEVARD AND
PARK BOULEVARD.
WHEATON
RATING: EF0
ESTIMATED PEAK WIND: 75 MPH
PATH LENGTH /STATUTE/: 0.97 MILES
PATH WIDTH /MAXIMUM/: 100 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 07/27/2026
START TIME: 11:55 AM CDT
START LOCATION: 1 NNE WHEATON / DUPAGE COUNTY / IL
START LAT/LON: 41.8645 / -88.1
END DATE: 07/27/2026
END TIME: 11:57 AM CDT
END LOCATION: 1 ESE WHEATON / DUPAGE COUNTY / IL
END LAT/LON: 41.8508 / -88.0974
SURVEY SUMMARY:
THIS BRIEF TORNADO BEGAN IN THE VICINITY OF E. LIBERTY DRIVE AND
S. WASHINGTON STREET SOUTH OF WHEATON COLLEGE. A CONCENTRATED
CORRIDOR OF DAMAGE WAS NOTED, PARTICULARLY IN THE VICINITY OF E.
INDIANA STREET AND CAMPBELL AVENUE, WHERE THE TOPS OF SEVERAL
SOFTWOOD TREES WERE SNAPPED AND NUMEROUS LIMBS WERE DOWNED.
DAMAGE IN THIS AREA WAS CONSISTENT WITH PEAK WINDS NEAR 75 MPH.
THE TORNADO CONTINUED SOUTHWARD, PRODUCING SPORADIC TREE DAMAGE
UNTIL IT DISSIPATED IN THE VICINITY OF ALCHESTER DRIVE.
ADDITIONAL DAMAGE WAS NOTED IN THE AREA WHICH WAS LIKELY
ASSOCIATED WITH A SWATH OF DAMAGING STRAIGHT-LINE WINDS THAT
MOVED THROUGH A FEW MINUTES AFTER THIS TORNADO OCCURRED.
ORLAND PARK
RATING: EF0
ESTIMATED PEAK WIND: TBD
PATH LENGTH /STATUTE/: TBD
PATH WIDTH /MAXIMUM/: TBD
FATALITIES: 0
INJURIES: 0
START DATE: 07/27/2026
START TIME: TBD
START LOCATION: TBD
START LAT/LON: TBD
END DATE: 07/27/2026
END TIME: TBD
END LOCATION: TBD
END LAT/LON: TBD
SURVEY SUMMARY:
MORE INFORMATION ON THIS TORNADO WILL BE PROVIDED AT A LATER
TIME.
COUNTRY CLUB HILLS - GLENWOOD
RATING: EF1
ESTIMATED PEAK WIND: 110 MPH
PATH LENGTH /STATUTE/: 11.43 MILES
PATH WIDTH /MAXIMUM/: 200 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 07/27/2026
START TIME: 12:47 PM CDT
START LOCATION: 1 NW COUNTRY CLUB HILLS / COOK COUNTY / IL
START LAT/LON: 41.5772 / -87.74.
END DATE: 07/27/2026
END TIME: 01:03 PM CDT
END LOCATION: GLENWOOD / COOK COUNTY / IL
END LAT/LON: 41.5475 / -87.6244
SURVEY SUMMARY:
TO BE ADDED LATER.
LYNWOOD - MUNSTER
RATING: EF1
ESTIMATED PEAK WIND: 110 MPH
PATH LENGTH /STATUTE/: 3.73 MILES
PATH WIDTH /MAXIMUM/: 225 YARDS
FATALITIES: 0
INJURIES: TBD
START DATE: 07/27/2026
START TIME: 12:58 PM CDT
START LOCATION: 2 E GLENWOOD / COOK COUNTY / IL
START LAT/LON: 41.5417 / -87.5804
END DATE: 07/27/2026
END TIME: 01:05 PM CDT
END LOCATION: 1 NW MUNSTER / LAKE COUNTY / IN
END LAT/LON: 41.5614 / -87.5154
SURVEY SUMMARY:
TO BE ADDED LATER.
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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