Hazardous Weather Outlook
Issued by NWS Chicago, IL

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000
FLUS43 KLOT 231044
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
444 AM CST Thu Feb 23 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
241045-
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-
444 AM CST Thu Feb 23 2017 /544 AM EST Thu Feb 23 2017/

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

.DAY ONE...Today and Tonight.

WEATHER HAZARDS EXPECTED:
  Limited Thunderstorm Risk.
  Limited Fog Risk.

DISCUSSION:

Patchy fog that could be dense in isolated spots will burn off
this morning. Showers and storms spread across the region tonight.
No severe storms are expected but some heavy rainfall is possible.

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

Friday...
  Significant Severe Thunderstorm Risk.
  Limited Non Thunderstorm Wind Risk.
  Limited Snow Risk.
Saturday...
  Limited Non Thunderstorm Wind Risk.
  Elevated Snow Risk.

DISCUSSION:

Showers and storms continue Friday, and a line of organized storms
may form roughly along or east of a McHenry, IL to Gibson City, IL
line. The storms will then shift east through the afternoon and
evening. Damaging winds and small hail are possible with the
strongest storms. Windy conditions are expected regardless of
thunderstorms with gusts UP TO 40 MPH.

Much colder air arrives Friday night and Saturday along with a
chance of light snow. Minor accumulations of an inch or less are
possible on grassy surfaces north of I-80 through Saturday
morning. Gusty northwest winds are also expected Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

Moving from the southwest to northeast at 50 MPH.

&&

$$

LMZ740>745-241045-
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-
444 AM CST Thu Feb 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.

Hazardous Conditions for Small Craft are likely this afternoon and
tonight.

There is a chance of thunderstorms tonight.

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

Friday and Saturday...
  Hazardous Conditions for Small Craft are likely.
  Gale force gusts are possible Friday night and Saturday.

There is a chance of thunderstorms Friday and some of these storms
may produce wind gusts in excess of 35 kt and small hail.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-241045-
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-
444 AM CST Thu Feb 23 2017

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

.DAY ONE...Today and Tonight.

Gales are expected tonight.

There is a chance of thunderstorms over the southern end of the
lake tonight.

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

Gales are expected Friday and again Saturday.

There is a chance of thunderstorms Friday mainly over the southern
half of the lake. Some of these storms may produce wind gusts in
excess of 35 kt and small hail.

&&

$$

JEE

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