Hazardous Weather Outlook
Issued by NWS Chicago, IL

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FLUS43 KLOT 242103
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
403 PM CDT Mon Jul 24 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
252115-
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-
403 PM CDT Mon Jul 24 2017 /503 PM EDT Mon Jul 24 2017/

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

.DAY ONE...Tonight.

Large waves will create dangerous swimming conditions at Lake
Michigan beaches through this evening.

Flooding will continue along many rivers.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Wednesday...
  Elevated Flooding Risk.
  Elevated Severe Thunderstorm Risk.
Thursday...
  Elevated Thunderstorm Risk.
  High Swim Risk.
Friday...
  High Swim Risk.

DISCUSSION:

Warm and humid weather will return Wednesday ahead of a cold
front which will move slowly across the area late Wednesday night
and Thursday. Thunderstorms are expected to spread into the area
ahead of the front Wednesday evening and night, and some storms
could be strong to severe with damaging winds and large hail.
Heavy rainfall and at least localized flooding will also be
possible with these storms. Storms may persist across parts of the
area on Thursday, as the front sags to the southeast. Dry weather
will return Thursday night.

Flooding will continue on many area rivers and new rises are
possible if heavy rain materializes Wednesday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

&&

$$

LMZ740>745-252115-
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-
403 PM CDT Mon Jul 24 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.

 Hazardous Conditions for Small Craft are likely through this
 evening.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Wednesday...
  Elevated Thunderstorm Risk.
Thursday...
  Elevated Thunderstorm Risk.
  Hazardous Conditions for Small Craft are likely.
Friday...
  Hazardous Conditions for Small Craft are possible.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-252115-
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-
403 PM CDT Mon Jul 24 2017

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

.DAY ONE...Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Periods of thunderstorms are likely across northern parts of the
lake from late Tuesday night through early Thursday, and across
the southern portion of the lake from Wednesday night through
Thursday morning. Some strong to severe storms are possible
Wednesday night.

&&

$$

RC

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