Hazardous Weather Outlook
Issued by NWS Chicago, IL

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FLUS43 KLOT 262025
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
325 PM CDT Fri May 26 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
272030-
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-
325 PM CDT Fri May 26 2017 /425 PM EDT Fri May 26 2017/

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

.DAY ONE...Tonight.

WEATHER HAZARDS EXPECTED:
  Significant Thunderstorm Risk...with an associated:
      Elevated Tornado Risk.
      Elevated Hail Risk...up to quarter to half dollar size.
      Elevated Thunderstorm Wind Damage Risk...up to 70 MPH.

DISCUSSION:

A complex of thunderstorms will spread move across areas along and
south of the Illinois and Kankakee rivers through the early to
mid evening. There is a risk for scattered severe thunderstorms
accompanying this complex of thunderstorms.

The primary severe risks are damaging wind gusts and severe hail,
with a few isolated tornadoes possible. There may also be
isolated thunderstorms ahead of anticipated linear development
that pose a risk for all severe hazards. For areas near and just
south of the Interstate 80 corridor, the main threats are expected
to be occasional cloud to ground lightning and heavy downpours.
The thunderstorm complex and associated severe risk is expected to
exit quickly southeast during the early to mid evening.

In addition...minor flooding will continue along portions of the
Kankakee River.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday and Sunday...
  Limited Severe Thunderstorm Risk Saturday night into Sunday.
Monday...
  Limited Thunderstorm Risk.
Tuesday...
  Limited Thunderstorm Risk.

DISCUSSION:

Thunderstorms are expected across portions of the area Saturday
night into Sunday. A few strong to severe thunderstorms will be
possible.

In addition...minor flooding will continue along portions of the
Kankakee River.

.SPOTTER INFORMATION STATEMENT...

Spotters will be needed through early to mid evening south of
Interstate 80.

GENERAL STORM MOTION OF THE DAY:

Towards the east and east southeast at 40 to 50 mph.

&&

$$

LMZ740>745-272030-
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-
325 PM CDT Fri May 26 2017

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

.DAY ONE...Tonight.

There is a chance of thunderstorms.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday and Sunday...
 There is a chance for thunderstorms Saturday night and Sunday.

Monday and Tuesday...
 Hazardous Conditions for Small Craft are possible on Monday.

There is a chance of thunderstorms Monday and Tuesday.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-272030-
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-
325 PM CDT Fri May 26 2017

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

.DAY ONE...Tonight.

Areas of dense fog will continue.

There is a chance of thunderstorms on the far southern portion of
the lake.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Areas of dense fog will continue through around mid day Saturday.

There is a chance for thunderstorms late Saturday through Sunday.

&&

$$

RC

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