545
WWUS53 KLOT 111556
SVSLOT
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE
1056 AM CDT TUE AUG 11 2026
ILC043-111606-
/O.CAN.KLOT.SV.W.0242.000000T0000Z-260811T1615Z/
DUPAGE IL-
1056 AM CDT TUE AUG 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN DUPAGE COUNTY IS
CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE, THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 PM CDT FOR
NORTHEASTERN ILLINOIS...AND NORTHWESTERN INDIANA.
LAT...LON 4142 8797 4177 8775 4176 8754 4173 8752
4131 8753
TIME...MOT...LOC 1556Z 297DEG 67KT 4166 8762 4140 8756 4124 8767
ILC031-197-111615-
/O.CON.KLOT.SV.W.0242.000000T0000Z-260811T1615Z/
WILL IL-COOK IL-
1056 AM CDT TUE AUG 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT
FOR EAST CENTRAL WILL AND SOUTHEASTERN COOK COUNTIES...
AT 1056 AM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM RIVERDALE TO NEAR BEECHER TO GRANT PARK, MOVING
SOUTHEAST AT 75 MPH.
THESE ARE DESTRUCTIVE STORMS PRODUCING MEASURED WINDS GUSTS OF 90 TO
OVER 100 MPH.
HAZARD...100 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS MAY
BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES
WILL BE DESTROYED. EXPECT CONSIDERABLE DAMAGE TO HOMES AND
BUSINESSES. EXPECT EXTENSIVE TREE DAMAGE AND POWER OUTAGES.
LOCATIONS IMPACTED INCLUDE...
CHICAGO, HAMMOND, ORLAND PARK, TINLEY PARK, OAK LAWN, CALUMET CITY,
CHICAGO HEIGHTS, ROSELAND, SOUTH SHORE, CHICAGO LAWN, ENGLEWOOD,
BURBANK, LANSING, OAK FOREST, HARVEY, NEW LENOX, BLUE ISLAND,
MUNSTER, DOLTON, PARK FOREST, HOMEWOOD, ALSIP, MATTESON, MOKENA, AND
FRANKFORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.
THIS IS AN EXTREMELY DANGEROUS SITUATION WITH TORNADO LIKE WIND
SPEEDS EXPECTED. MOBILE HOMES AND HIGH PROFILE VEHICLES ARE
ESPECIALLY SUSCEPTIBLE TO WINDS OF THIS MAGNITUDE AND MAY BE
OVERTURNED. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A BUILDING. THESE STORMS HAVE THE POTENTIAL TO CAUSE
SERIOUS INJURY AND SIGNIFICANT PROPERTY DAMAGE.
LAT...LON 4142 8797 4177 8775 4176 8754 4173 8752
4131 8753
TIME...MOT...LOC 1556Z 297DEG 67KT 4166 8762 4140 8756 4124 8767
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...100 MPH
BIRK
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