817
FLUS43 KMKX 200934
HWOMKX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
334 AM CST TUE JAN 20 2026
WIZ046-047-051-052-056>060-062>072-210945-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
334 AM CST TUE JAN 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN, SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.
DAY ONE
TODAY AND TONIGHT
WIND CHILLS IN THE TEENS BELOW ZERO ARE EXPECTED INTO THIS MORNING.
A WINTER WEATHER ADVISORY IS IN EFFECT STARTING AT 9 PM CST THIS
EVENING, MAINLY ALONG AND SOUTH OF THE HIGHWAY 18 AND INTERSTATE
94 CORRIDOR. THIS INCLUDES THE MILWAUKEE AND MADISON METRO AREAS.
SNOW IS EXPECTED INTO THE OVERNIGHT HOURS, WITH 2 TO 5 INCHES OF
ACCUMULATION EXPECTED. LOCALLY HIGHER AMOUNTS ARE POSSIBLE,
MAINLY NEAR THE ILLINOIS BORDER AREA. SNOW COVERED AND SLIPPERY
ROADS ARE EXPECTED.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY
THE WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 AM CST WEDNESDAY
MORNING, AS THE SNOW ENDS FROM WEST TO EAST ACROSS THE AREA.
ANOTHER ARCTIC COLD FRONT WILL PUSH EAST THROUGH THE AREA LATER
WEDNESDAY INTO WEDNESDAY EVENING, BRINGING THE POSSIBILITY OF
LOCALLY HEAVY AND FAST MOVING SNOW SHOWERS. THE BEST CHANCES
WOULD BE SOUTHWEST AND SOUTH OF MADISON. THESE SNOW SHOWERS MAY
GREATLY REDUCE VISIBILITY QUICKLY AND CAUSE HAZARDOUS DRIVING
CONDITIONS.
BITTER COLD TEMPERATURES AND WIND CHILLS ARE LIKELY THURSDAY
NIGHT INTO THE WEEKEND.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NEEDED, BUT SNOWFALL REPORTS WILL
BE APPRECIATED.
LMZ643>646-210945-
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-
334 AM CST TUE JAN 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS FROM
SHEBOYGAN WISCONSIN TO WINTHROP HARBOR ILLINOIS.
DAY ONE
TODAY AND TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY
WINDS MAY APPROACH SMALL CRAFT ADVISORY LEVELS AT TIMES WEDNESDAY
NIGHT INTO FRIDAY.
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210945-
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-
334 AM CST TUE JAN 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE MICHIGAN.
DAY ONE
TODAY AND TONIGHT
A HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT THIS MORNING FOR
THE COMBINATION OF STRONG WINDS, COLD TEMPERATURES, AND BUILDING
WAVES RESULTING IN HEAVY FREEZING SPRAY.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY
A FEW GALES AND HEAVY FREEZING SPRAY WILL BE POSSIBLE AT TIMES
WEDNESDAY NIGHT INTO FRIDAY NIGHT.
WOOD
WWW.WEATHER.GOV/MKX
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