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Severe Thunderstorm Watch — Bureau County, IL, Champaign County, IL, Coles County, IL, Cook County, IL, De Witt County, IL, Douglas County, IL, DuPage County, IL, Edgar County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, La Salle County, IL, Livingston County, IL, Logan County, IL, McLean County, IL, Macon County, IL, Marshall County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Putnam County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Will County, IL, Woodford County, IL, Benton County, IN, Fountain County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Parke County, IN, Porter County, IN, Vermillion County, IN, Warren County, IN, Winthrop Harbor to Wilmette Harbor IL, LM, Wilmette Harbor to Northerly Island IL, LM, Northerly Island to Calumet Harbor IL, LM, Calumet Harbor IL to Gary IN, LM, Gary to Burns Harbor IN, LM, Burns Harbor to Michigan City IN, LM
Issued
12:35 PM CDT · Sat, Jul 4 2026
Expires
7:00 PM CDT · Sat, Jul 4 2026
Issuing Office
NWS KWNS

Affected Areas

Bureau County, IL Champaign County, IL Coles County, IL Cook County, IL De Witt County, IL Douglas County, IL DuPage County, IL Edgar County, IL Ford County, IL Grundy County, IL Iroquois County, IL Kane County, IL Kankakee County, IL Kendall County, IL La Salle County, IL Livingston County, IL Logan County, IL McLean County, IL Macon County, IL Marshall County, IL Moultrie County, IL Peoria County, IL Piatt County, IL Putnam County, IL Stark County, IL Tazewell County, IL Vermilion County, IL Will County, IL Woodford County, IL Benton County, IN Fountain County, IN Jasper County, IN Lake County, IN Newton County, IN Parke County, IN Porter County, IN Vermillion County, IN Warren County, IN Winthrop Harbor to Wilmette Harbor IL, LM Wilmette Harbor to Northerly Island IL, LM Northerly Island to Calumet Harbor IL, LM Calumet Harbor IL to Gary IN, LM Gary to Burns Harbor IN, LM Burns Harbor to Michigan City IN, LM

Official Bulletin

592
WOUS64 KWNS 041731
WOU5

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 455
NWS STORM PREDICTION CENTER NORMAN OK
1235 PM CDT SAT JUL 4 2026

SEVERE THUNDERSTORM WATCH 455 IS IN EFFECT UNTIL 700 PM CDT
FOR THE FOLLOWING LOCATIONS

ILC011-019-029-031-039-041-043-045-053-063-075-089-091-093-099-105-107-113-115-123-139-143-147-155-175-179-183-197-203-050000-
/O.NEW.KWNS.SV.A.0455.260704T1735Z-260705T0000Z/

IL
.    ILLINOIS COUNTIES INCLUDED ARE

BUREAU               CHAMPAIGN           COLES
COOK                 DE WITT             DOUGLAS
DUPAGE               EDGAR               FORD
GRUNDY               IROQUOIS            KANE
KANKAKEE             KENDALL             LA SALLE
LIVINGSTON           LOGAN               MACON
MARSHALL             MCLEAN              MOULTRIE
PEORIA               PIATT               PUTNAM
STARK                TAZEWELL            VERMILION
WILL                 WOODFORD
$$

INC007-045-073-089-111-121-127-165-171-050000-
/O.NEW.KWNS.SV.A.0455.260704T1735Z-260705T0000Z/

IN
.    INDIANA COUNTIES INCLUDED ARE

BENTON               FOUNTAIN            JASPER
LAKE                 NEWTON              PARKE
PORTER               VERMILLION          WARREN
$$

LMZ740-741-742-743-744-745-050000-
/O.NEW.KWNS.SV.A.0455.260704T1735Z-260705T0000Z/

CW

.    ADJACENT COASTAL WATERS INCLUDED ARE

WINTHROP HARBOR TO WILMETTE HARBOR IL

WILMETTE HARBOR TO NORTHERLY ISLAND IL

NORTHERLY ISLAND TO CALUMET HARBOR IL

CALUMET HARBOR IL TO GARY IN

GARY TO BURNS HARBOR IN

BURNS HARBOR TO MICHIGAN CITY IN

$$
ATTN...WFO...DVN...LOT...IND...ILX...