868
WWUS53 KLOT 211949
SVSLOT
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE
249 PM CDT FRI AUG 21 2026
ILC007-111-211958-
/O.CAN.KLOT.SV.W.0257.000000T0000Z-260821T2000Z/
MCHENRY IL-BOONE IL-
249 PM CDT FRI AUG 21 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MCHENRY AND
SOUTHEASTERN BOONE COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE, THE WARNING HAS BEEN CANCELLED.
LAT...LON 4207 8859 4206 8860 4190 8860 4202 8889
4215 8889 4215 8859
TIME...MOT...LOC 1948Z 309DEG 18KT 4206 8877
ILC037-212000-
/O.CON.KLOT.SV.W.0257.000000T0000Z-260821T2000Z/
DE KALB IL-
249 PM CDT FRI AUG 21 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTHERN DE KALB COUNTY...
AT 248 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR KINGSTON, OR
NEAR GENOA, MOVING SOUTHEAST AT 20 MPH.
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS, SIDING, AND TREES.
LOCATIONS IMPACTED INCLUDE...
DEKALB, SYCAMORE, GENOA, CORTLAND, KIRKLAND, MAPLE PARK, AND
KINGSTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER INCLUDING LARGE HAIL AND TORNADOES. MOVE QUICKLY TO A SAFE
SHELTER, SUCH AS AN INTERIOR ROOM, A BATHROOM OR CLOSET OR BASEMENT.
LAT...LON 4207 8859 4206 8860 4190 8860 4202 8889
4215 8889 4215 8859
TIME...MOT...LOC 1948Z 309DEG 18KT 4206 8877
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
RC
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