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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1109 AM CDT TUE SEP 2 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
031615-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
1109 AM CDT TUE SEP 2 2014 /1209 PM EDT TUE SEP 2 2014/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

  WEATHER HAZARDS EXPECTED:

   ISOLATED THUNDERSTORMS...SOME OF WHICH MAY PRODUCE...
    MODERATE TO HEAVY DOWNPOURS.
    WIND GUSTS UP TO 40 MPH.
    HAIL TO HALF INCH IN DIAMETER.
    CLOUD TO GROUND LIGHTNING.

  AREAS AFFECTED AND TIMING:

  PRIMARILY NORTHERN ILLINOIS NORTH OF INTERSTATE 80 THROUGH EARLY
  AFTERNOON.

  DISCUSSION:

 SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL MOVE ROUGHLY
 ALONG THE INTERSTATE 88 CORRIDOR THROUGH THE EARLY AFTERNOON AS
 AN OUTFLOW BOUNDARY AND UPPER DISTURBANCE PROGRESS EASTWARD. TO
 THE SOUTH OF INTERSTATE 80...ISOLATED THUNDERSTORMS ARE POSSIBLE
 ALONG AND AHEAD OF A SLOW MOVING COLD FRONT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

ADDITIONAL THUNDERSTORM CHANCES WILL OCCUR LATER IN THE
WEEK...MAINLY ON WEDNESDAY NIGHT AND AGAIN FRIDAY.

VERY WARM AND HUMID WEATHER FOR LATE SUMMER IS EXPECTED ACROSS
MUCH OF THE AREA THURSDAY AND FOR LOCATIONS SOUTH OF INTERSTATE
80 ON FRIDAY. DAYTIME HEAT INDEX VALUES MAY REACH 95 TO 105
DEGREES.

DANGEROUS SWIMMING CONDITIONS ARE POSSIBLE AT LAKE MICHIGAN
BEACHES FRIDAY NIGHT AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1109 AM CDT TUE SEP 2 2014

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-031615-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
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 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
1109 AM CDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A CHANCE OF THUNDERSTORMS ACROSS MAINLY THE NORTHERN AND
CENTRAL PART OF THE LAKE THROUGH THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE WILL BE ADDITIONAL CHANCES FOR THUNDERSTORMS WEDNESDAY
NIGHT THROUGH FRIDAY.

&&

$$

RC

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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1109 AM CDT TUE SEP 2 2014

LMZ740>745-031615-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
1109 AM CDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED THUNDERSTORMS ARE POSSIBLE EARLY THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE WILL BE CHANCES OF THUNDERSTORMS LATER IN THE WEEK...MAINLY
ON WEDNESDAY NIGHT AND AGAIN FRIDAY.

WINDS HAZARDOUS TO SMALL CRAFT ARE LIKELY THURSDAY ALONG THE
ILLINOIS SHORE AND POSSIBLE ALONG THE INDIANA SHORE.

WINDS AND WAVES HAZARDOUS TO SMALL CRAFT MAY OCCUR FRIDAY NIGHT
THROUGH SATURDAY NIGHT.

&&

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1019 AM CDT TUE SEP 2 2014

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-031530-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
1019 AM CDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE ACROSS
PORTIONS OF THE OUTLOOK AREA WEDNESDAY AND ESPECIALLY WEDNESDAY
NIGHT. THERE IS A LOW CHANCE THAT A FEW OF THESE STORMS WILL BE
SEVERE.

A FRONTAL SYSTEM PUSHING ACROSS THE REGION FROM NORTHWEST TO
SOUTHEAST WILL BRING ABOUT THE NEXT MAIN CHANCE FOR MORE WIDESPREAD
THUNDERSTORMS THURSDAY NIGHT INTO FRIDAY. THERE MAY BE A CHANCE
FOR A STRONG TO SEVERE STORM ACROSS PORTIONS OF THE OUTLOOK AREA
DURING THIS PERIOD.

VERY WARM AND MORE HUMID CONDITIONS WILL OCCUR ACROSS THE OUTLOOK
AREA THURSDAY AHEAD OF THE INCOMING FRONTAL SYSTEM. HEAT INDEX
READINGS MAY RANGE FROM 95 TO OVER 100 DEGREES THURSDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

$$

NICHOLS

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
759 AM CDT TUE SEP 2 2014

LMZ643>646-031300-
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-
759 AM CDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SMALL CHANCE FOR A THUNDERSTORM LATE THIS MORNING AND
AFTERNOON AS A WEAK AREA OF LOW PRESSURE MOVES THROUGH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE CHANCE FOR THUNDERSTORMS RETURNS WEDNESDAY NIGHT AS
WARM...HUMID AIR RETURNS TO THE WESTERN GREAT LAKES. THUNDERSTORMS
ARE LIKELY NORTH OF PORT WASHINGTON.

THERE IS A CHANCE FOR THUNDERSTORMS AGAIN THURSDAY NIGHT AS A COLD
FRONT MOVES ACROSS LAKE MICHIGAN. SOUTH WINDS MAY REACH SMALL
CRAFT ADVISORY CRITERIA ON THURSDAY WITH BRISK NORTHWEST WINDS
APPROACHING CRITERIA ON FRIDAY.

$$
WWW.WEATHER.GOV/MKX

MBK

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
759 AM CDT TUE SEP 2 2014

WIZ046-047-051-052-056>060-062>072-031300-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
759 AM CDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

PATCHY DENSE FOG IS EXPECTED AFTER MIDNIGHT TONIGHT.

THERE IS A SMALL CHANCE FOR A THUNDERSTORM TODAY AS WEAK LOW
PRESSURE MOVES ACROSS WISCONSIN.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THUNDERSTORMS ARE LIKELY LATER WEDNESDAY NIGHT NORTH OF MADISON
AND MILWAUKEE AS WARM...HUMID AIR RETURNS TO SOUTHERN WISCONSIN.
THERE IS A CHANCE FOR THUNDERSTORMS ELSEWHERE.

THUNDERSTORMS ARE AGAIN LIKELY OVER PARTS OF SOUTH CENTRAL
WISCONSIN LATE THURSDAY AFTERNOON AND THURSDAY NIGHT AS A COLD
FRONT SWEEPS ACROSS THE REGION. THUNDERSTORMS ARE POSSIBLE
ELSEWHERE. THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS
THURSDAY AFTERNOON AND EVENING. DAMAGING WINDS WILL BE THE PRIMARY
SEVERE WEATHER RISK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED ON THURSDAY.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
336 AM CDT TUE SEP 2 2014

LMZ521-522-541>543-030845-
THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN-
336 AM CDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST LAKE
MICHIGAN AND THE WATERS OF GREEN BAY.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON. THE STRONGEST
STORMS COULD PRODUCE GUSTY WINDS AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

INCREASING SOUTH WINDS AND BUILDING WAVES WILL LIKELY PRODUCE
CONDITIONS HAZARDOUS TO SMALL CRAFT ON THURSDAY AND THURSDAY
NIGHT.

THUNDERSTORMS MAY POSE A SIGNIFICANT RISK TO BOATERS WEDNESDAY
NIGHT INTO EARLY THURSDAY MORNING...AND THEN AGAIN LATE THURSDAY
AFTERNOON AND THURSDAY NIGHT. FOG COULD ALSO SIGNIFICANTLY REDUCE
VISIBILITIES AT TIMES...ESPECIALLY OVER THE LAKE WEDNESDAY NIGHT
INTO THURSDAY NIGHT.

$$
TSK/RE

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
336 AM CDT TUE SEP 2 2014

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-030845-
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE-
MENOMINEE-NORTHERN OCONTO-DOOR-MARATHON-SHAWANO-WOOD-PORTAGE-
WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-WINNEBAGO-CALUMET-
MANITOWOC-SOUTHERN MARINETTE-SOUTHERN OCONTO-
336 AM CDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST
WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

THERE IS A CHANCE OF THUNDERSTORMS TODAY...ESPECIALLY DURING THE
LATE MORNING AND AFTERNOON. WIDESPREAD SEVERE WEATHER IS NOT
EXPECTED...BUT A FEW STRONG STORMS MAY PRODUCE WIND GUSTS TO 40
MPH AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THERE IS A CHANCE OF THUNDERSTORMS OVER PARTS OF CENTRAL AND
NORTH CENTRAL WISCONSIN LATE WEDNESDAY AFTERNOON...BUT SEVERE
WEATHER IS NOT ANTICIPATED.

A COUPLE ROUNDS OF THUNDERSTORMS ARE EXPECTED WEDNESDAY NIGHT
THROUGH THURSDAY NIGHT. THE FIRST ROUND OF SHOWERS AND
THUNDERSTORMS WILL MOVE ACROSS THE REGION WEDNESDAY NIGHT INTO
EARLY THURSDAY MORNING. SOME OF THESE STORMS COULD BECOME STRONG
OR SEVERE WITH LARGE HAIL...DAMAGING WINDS AND HEAVY RAINFALL.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS WITH DAMAGING
WINDS AND LARGE HAIL THURSDAY AFTERNOON AND THURSDAY NIGHT...AS A
COLD FRONT MOVES ACROSS THE REGION. LOCALLY HEAVY RAINFALL IS ALSO
POSSIBLE.

BE SURE TO CLOSELY MONITOR LATER FORECASTS...ESPECIALLY IF YOU
ARE PLANNING OUTDOOR ACTIVITIES LATER THIS WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION SHOULD NOT BE NEEDED TODAY OR TONIGHT.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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