988
FLUS43 KMKX 300030
HWOMKX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
730 PM CDT MON JUN 29 2026
WIZ046-047-051-052-056>060-062>072-010030-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
730 PM CDT MON JUN 29 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN, SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.
DAY ONE
TONIGHT
AN EXTREME HEAT WARNING IS IN EFFECT. A MUGGY NIGHT WITH HEAT
INDEX VALUES ONLY FALLING INTO THE MIDDLE TO UPPER 70S.
HIGH SWIM RISK CONDITIONS THROUGH THIS EVENING FOR THE LAKE
MICHIGAN BEACHES IN SHEBOYGAN AND OZAUKEE COUNTIES WITH MODERATE
SWIM RISK CONDITIONS IN MILWAUKEE AND RACINE COUNTIES.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH MONDAY
HOT AND HUMID CONDITIONS WITH DAILY MAXIMUM HEAT INDEX VALUES OF
95 TO 107 DEGREES FOR MUCH OF THE WEEK. AN EXTREME HEAT WARNING
IS IN EFFECT FOR TUESDAY AND WEDNESDAY, BUT ADDITIONAL HEAT
HEADLINES MAY BE NEEDED LATER IN THE WEEK.
INCREASING CHANCES FOR THUNDERSTORMS TUESDAY NIGHT THROUGH THE
END OF THE WEEK.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NEEDED.
LMZ643>646-010030-
SHEBOYGAN TO PORT WASHINGTON WI-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
NORTH POINT LIGHT TO WIND POINT WI-
WIND POINT WI TO WINTHROP HARBOR IL-
730 PM CDT MON JUN 29 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS FROM
SHEBOYGAN WISCONSIN TO WINTHROP HARBOR ILLINOIS.
DAY ONE
TONIGHT
A SMALL CRAFT ADVISORY IS IN EFFECT THROUGH THIS EVENING.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH MONDAY
DAILY CHANCES FOR THUNDERSTORMS TUESDAY NIGHT THROUGH THE END OF
THE WEEK.
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-010030-
LAKE MICHIGAN MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO
MID-LINE OF LAKE.-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI 5NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5NM
OFFSHORE TO MID LAKE-
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-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST JOSEPH TO SOUTH HAVEN MI 5NM OFFSHORE TO
MID LAKE-
730 PM CDT MON JUN 29 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.
DAY ONE
TONIGHT
CHANCES OF THUNDERSTORMS ACROSS THE NORTHERN PORTIONS OF LAKE
TONIGHT.
PATCHY DENSE FOG EXPECTED FOR NORTHERN PORTIONS OF THE LAKE.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH MONDAY
AREAS OF DENSE FOG MAY OCCUR AT TIMES DUE TO A VERY WARM AND HUMID
AIRMASS OVER THE COLDER WATERS OF LAKE MICHIGAN.
DAILY CHANCES FOR THUNDERSTORMS TUESDAY THROUGH THE END OF THE
WEEK.
WWW.WEATHER.GOV/MKX
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