469
WOUS64 KWNS 182246
WOU9

SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 599
NWS STORM PREDICTION CENTER NORMAN OK
546 PM CDT MON AUG 18 2025

SEVERE THUNDERSTORM WATCH 599 REMAINS IN EFFECT UNTIL 800 PM CDT
FOR THE FOLLOWING LOCATIONS

ILC007-011-015-031-037-043-063-073-085-089-093-097-099-103-111-
141-155-177-195-197-201-190100-
/O.CON.KWNS.SV.A.0599.000000T0000Z-250819T0100Z/

IL
.    ILLINOIS COUNTIES INCLUDED ARE

BOONE                BUREAU              CARROLL
COOK                 DE KALB             DUPAGE
GRUNDY               HENRY               JO DAVIESS
KANE                 KENDALL             LAKE
LA SALLE             LEE                 MCHENRY
OGLE                 PUTNAM              STEPHENSON
WHITESIDE            WILL                WINNEBAGO
$$


LMZ740-741-742-777-779-190100-
/O.CON.KWNS.SV.A.0599.000000T0000Z-250819T0100Z/

CW

.    ADJACENT COASTAL WATERS INCLUDED ARE

WINTHROP HARBOR TO WILMETTE HARBOR IL

WILMETTE HARBOR TO NORTHERLY ISLAND IL

NORTHERLY ISLAND TO CALUMET HARBOR IL

LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5NM
OFFSHORE TO MID LAKE

LAKE MICHIGAN FROM WILMETTE HARBOR TO MICHIGAN CITY IN 5NM
OFFSHORE TO MID LAKE

$$


ATTN...WFO...LOT...DVN...