Hazardous Weather Outlook
Issued by NWS Chicago, IL

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000
FLUS43 KLOT 221017
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
417 AM CST Thu Feb 22 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
231030-
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-
417 AM CST Thu Feb 22 2018 /517 AM EST Thu Feb 22 2018/

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

.DAY ONE...Today and Tonight.

WEATHER HAZARDS EXPECTED:

  Elevated Ice Accumulation Risk.

DISCUSSION:

Light freezing rain, possibly mixed with some light sleet or
light snow, is possible early this morning, south of the
Interstate 80 corridor. Minor ice accumulation is possible,
especially on elevated surfaces.

Many area rivers remain in flood.

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

Friday...
  Limited Ice Accumulation Risk.
Saturday...
  Limited Flooding Risk.
  Limited Ice Accumulation Risk.
  Limited Snow Risk.

DISCUSSION:

Precipitation is expected to develop Friday night, and continue
through Saturday night. Precipitation may initially develop as
a mix of rain, freezing rain or snow Friday night into early
Saturday morning, before changing to all rain. Moderate to
locally heavy rainfall is possible over portions of central
Illinois and Indiana, with amounts of a quarter inch or more
possible over southeastern parts of the outlook area before
rain ends late Saturday night. Additional rainfall could slow
the fall of river levels, or cause new rises in some spots.

Many area rivers will remain in flood.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

&&

$$

LMZ740>745-231030-
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-
417 AM CST Thu Feb 22 2018

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.

No hazardous weather is expected at this time.

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

Saturday and Sunday...
  Gale Force Winds or Very Hazardous Waves are likely.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-231030-
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-
417 AM CST Thu Feb 22 2018

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

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

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

Gale force winds are possible Saturday night and Sunday.

&&

$$

Ratzer

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