Hazardous Weather Outlook
Issued by NWS Chicago, IL

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583
FLUS43 KLOT 231503
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1003 AM CDT Tue May 23 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
241515-
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-
1003 AM CDT Tue May 23 2017 /1103 AM EDT Tue May 23 2017/

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

.DAY ONE...Today and Tonight.

WEATHER HAZARDS EXPECTED:
  Elevated Thunderstorm Risk...with an associated:
      Limited Thunderstorm Wind Damage Risk...up to 60 MPH

DISCUSSION:

Widely scattered thunderstorms are likely this afternoon into
this evening. A strong thunderstorm or two is possible, especially
south of I-80, where the most likely hazard would be strong winds.

With a weak frontal boundary in place and a deep upper low, there could be
some funnel clouds that develop later today. At this time the tornado
threat is low.

In addition, portions of the Kankakee River in northwest Indiana
will remain in flood.

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

Friday through Sunday...
  Limited Thunderstorm Risk.

DISCUSSION:

While the majority of the period will be dry, there is a chance
of period or two of showers and perhaps some thunderstorms Friday
through Sunday.

In addition, portions of the Kankakee River in northwest Indiana
will remain in flood.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not likely, but may be briefly needed late this
afternoon.

GENERAL STORM MOTION OF THE DAY:

Moving to the northeast 15 to 20 MPH.

&&

$$

LMZ740>745-241515-
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-
1003 AM CDT Tue May 23 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.

There is a chance of thunderstorms this afternoon and evening.

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

Wednesday and Thursday...
  Hazardous Conditions for Small Craft are likely.

In addition...there is a chance of thunderstorms Friday through
Sunday.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-241515-
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-
1003 AM CDT Tue May 23 2017

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

.DAY ONE...Today and Tonight.

There is a chance of a thunderstorm south this afternoon and
evening.

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

There is a chance of thunderstorms Friday through Sunday,
especially southern Lake Michigan.

&&

$$

KMD

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