Hazardous Weather Outlook
Issued by NWS Chicago, IL

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FLUS43 KLOT 270940
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
440 AM CDT Thu Apr 27 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
280945-
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-
440 AM CDT Thu Apr 27 2017 /540 AM EDT Thu Apr 27 2017/

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

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

DISCUSSION:

Areas of moderate rain will lift north this morning. West winds behind
a cold front may reach 30 mph or so at times.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...
  Limited Thunderstorm Risk late in the day.
Saturday...
  Limited Thunderstorm Risk.
Sunday...
  Elevated Thunderstorm Risk.
  Limited Flooding Risk
Monday...
  Limited Non Thunderstorm Wind Risk.

DISCUSSION:

A large storm system will take shape across the west today, and migrate
toward our area through the weekend. Ahead of this system periods of
rain are expected, moderate to heavy at times, especially later Saturday
into Sunday. Rainfall through the weekend will generally fall between 1.5 and
4 inches. This may lead to areal flooding late in the weekend, but will also
lead to significant rises on area rivers. Stay tuned to the forecast
as we hope to hone in on the axis of heaviest rains.

In addition, the Sugar Creek will approach bankfull later Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

&&

$$

LMZ740>745-280945-
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-
440 AM CDT Thu Apr 27 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE illinois NEARSHORE
WATERS OF LAKE MICHIGAN AND THE indiana NEARSHORE WATERS OF LAKE
MICHIGAN.

.DAY ONE...Today and Tonight.

Hazardous Conditions for Small Craft are likely today.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Saturday through Sunday...
  Hazardous Conditions for Small Craft are likely.
Monday and Tuesday...
  Gale Force Winds or Very Hazardous Waves are possible.

Thunderstorms are also possible at times Friday night through
Sunday night.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-280945-
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-
440 AM CDT Thu Apr 27 2017

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

.DAY ONE...Today and Tonight.

Gale force gusts are possible briefly this morning across the south half.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Thunderstorms are possible at times Friday night through Sunday night
across the southern half to two thirds of Lake Michigan. Gales are
possible at times Sunday into Monday.

&&

$$

KMD

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