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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
324 AM CDT Tue Sep 25 2018

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-260830-
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-
324 AM CDT Tue Sep 25 2018

This Hazardous Weather Outlook is for the open waters of Lake
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are likely late this afternoon and evening. Some
storms may be strong or severe south of Port Washington and Little
Sable Pt.

Breezy northwest winds and a few gale force gusts are possible
tonight in the wake of a cold front. High waves are expected over
the middle and eastern half of Lake Michigan through Wednesday
morning.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Breezy southwest winds may reach gale force over the north half
of the lake for Thursday. High waves will develop over the north
half and continue into Thursday night.

$$


www.weather.gov/mkx

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
324 AM CDT Tue Sep 25 2018

WIZ046-047-051-052-056>060-062>072-260830-
Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
324 AM CDT Tue Sep 25 2018

This Hazardous Weather Outlook is for portions of east central Wisconsin,
south central Wisconsin and southeast Wisconsin.

.DAY ONE...Today and Tonight

Thunderstorms are likely from about mid afternoon through early
evening. There is a slight risk of severe thunderstorms, mainly
south of Port Washington and Madison. Damaging wind is the primary
threat.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

$$

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
324 AM CDT Tue Sep 25 2018

LMZ643>646-260830-
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-
324 AM CDT Tue Sep 25 2018

This Hazardous Weather Outlook is for portions of Lake Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are expected toward evening. There is a slight risk
for severe thunderstorms south of Port Washington with damaging
straight line winds the main threat.

A small craft advisory is in effect for tonight through Wednesday
morning for strong northwest winds developing in the wake of a
cold front.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Another Small Craft Advisory may be needed on Thursday for gusty
southwest winds.

$$

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
502 AM CDT Tue Sep 25 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
261015-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Lake IN-Porter-Newton-Jasper-Benton-
502 AM CDT Tue Sep 25 2018 /602 AM EDT Tue Sep 25 2018/

This Hazardous Weather Outlook is for portions of North Central
Illinois...Northeast Illinois and Northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Significant Thunderstorm Risk...with an associated:
     Elevated Tornado risk.
     Elevated damaging wind risk...up to 60 mph.
     Limited large hail risk...up to quarter size.

DISCUSSION...

Scattered thunderstorms are likely through this evening. The
greatest chance of thunderstorms, including some potential for
isolated severe thunderstorms is later this afternoon through this
evening. The primary severe threat is isolated damaging wind gusts
up to 60 mph. An isolated tornado or two cannot be ruled,
especially early this evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Monday...
  Elevated Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotters may be needed, mainly between 3 pm and 10 pm.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the northeast at 45 mph.

$$

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
502 AM CDT Tue Sep 25 2018

LMZ740>745-261015-
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-
502 AM CDT Tue Sep 25 2018

This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Hazardous conditions for small craft.
  Elevated Thunderstorm Risk...with an associated:
     Limited Waterspout Risk.
     Elevated thunderstorm wind gust risk...up to 50 knots.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday and Thursday...
  Hazardous conditions for small craft are likely.
Monday...
  Elevated Thunderstorm Risk.

$$

- Izzi

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Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
402 AM CDT Tue Sep 25 2018

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-260915-
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-
402 AM CDT Tue Sep 25 2018

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

Areas of dense fog are possible early this morning.

A strong cold front will push across the outlook area this
afternoon into early this evening. Thunderstorms will be likely
ahead of this front and some of the storms may be severe. The
Storm Prediction Center has a slight risk of severe storms over
most of the outlook area. The main threat will be damaging winds
up to 70 mph, with a secondary threat of large hail and a couple
of tornadoes possible.

A line of storms should form in our far western counties in Iowa
about 1 pm, sweep east at 40 mph, and exit our far eastern counties
in Illinois by about 7 pm.

Area rivers are experiencing flooding. Please see the
latest Flood Statements and Flood Warnings for details.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

There is a chance for thunderstorms Sunday night and Monday. It is
too soon to determine the potential for severe weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be required between 1 pm and 7 pm today.

$$
Haase/DLS

Hazardous Weather Outlook
National Weather Service Green Bay WI
336 AM CDT Tue Sep 25 2018

LMZ521-522-541>543-260845-
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 25 2018

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Today and Tonight

There is a chance of thunderstorms this afternoon and evening. A
few strong storms are possible, mainly south of Kewaunee.

A small craft advisory has been issued tonight into early
Wednesday, due to gusty northwest winds. The strongest gusts are
expected near Deaths Door.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Conditions hazardous to small craft may occur on the bay and lake
late Wednesday night into Thursday evening, due to strong
southwest winds and building waves.

$$

Kurimski/Kallas

Hazardous Weather Outlook
National Weather Service Green Bay WI
336 AM CDT Tue Sep 25 2018

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-260845-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
336 AM CDT Tue Sep 25 2018

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Today and Tonight

There is a chance of thunderstorms today. A marginal risk of
severe thunderstorms with small hail and damaging winds exists
south of a line from Oshkosh and Kewaunee during the afternoon
and early evening hours.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Persons with agricultural interests should be alert to the
possibility of frost Friday night and Saturday night. Temperatures
are forecast to be cold enough for frost development across
northern and central Wisconsin. Cloud cover and winds will play a
significant role in whether or not frost forms. It is still too
early to ascertain those details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and this evening
over east-central Wisconsin.

$$

Hazardous Weather Outlook
National Weather Service La Crosse WI
330 AM CDT Tue Sep 25 2018

IAZ008-009-018-019-MNZ079-086>088-094>096-WIZ017-029-032>034-
041>044-261200-
Mitchell-Howard-Floyd-Chickasaw-Wabasha-Dodge-Olmsted-Winona-
Mower-Fillmore-Houston-Taylor-Clark-Buffalo-Trempealeau-Jackson-
La Crosse-Monroe-Juneau-Adams-
330 AM CDT Tue Sep 25 2018

This Hazardous Weather Outlook is for portions of northeast
Iowa, southeast Minnesota, and western into central Wisconsin.

.DAY ONE...Today and Tonight

Scattered thunderstorms will be seen mainly east of the
Mississippi River this afternoon. Lightning will be the main
threat along with gusty winds and possible small hail.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

No action needed.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

$$

Hazardous Weather Outlook
National Weather Service La Crosse WI
330 AM CDT Tue Sep 25 2018

IAZ010-011-029-030-WIZ053>055-061-261200-
Winneshiek-Allamakee-Fayette-Clayton-Vernon-Crawford-Richland-
Grant-
330 AM CDT Tue Sep 25 2018

This Hazardous Weather Outlook is for portions of far northeast
Iowa and southwest Wisconsin.

.DAY ONE...Today and Tonight

Thunderstorms are likely this afternoon. Some storms could be
strong to severe. The main threat will be damaging winds, but
some hail is also possible. The main threat time looks to be
between 1 and 5 pm.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Any storm reports would be appreciated this afternoon.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

$$

DAS

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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