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000
FLUS43 KLOT 090911
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
411 AM CDT Thu Jul 9 2020

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-100915-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
411 AM CDT Thu Jul 9 2020 /511 AM EDT Thu Jul 9 2020/

This Hazardous Weather Outlook is for portions of North Central
Illinois...Northeast Illinois and Northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Significant Thunderstorm Risk...with an associated:
     Limited hail risk...up to quarter size.
     Elevated damaging wind risk...up to 70 mph.
  Limited Flooding Risk.
  Limited Excessive Heat Risk.

DISCUSSION...

Expect hot and humid conditions inland of Lake Michigan
once again today. Demonstrate basic heat safety.

Widely scattered thunderstorms are expected early to mid
afternoon, some of which will probably be locally gusty.
Thunderstorm coverage is then expected to increase later
this afternoon and into the evening, when some storms may
become severe primarily with localized damaging wind gusts.
This risk is more so for the northern Illinois portion of the
outlook area. In addition, these thunderstorms are likely to
produce heavy rainfall rates and may result in flash flooding.

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

Friday...
  Limited Thunderstorm Risk.
Saturday Night and Sunday...
  Limited Thunderstorm Risk.
Tuesday...
  Limited Excessive Heat Risk.
Wednesday...
  Limited Thunderstorm Risk.
  Limited Excessive Heat Risk.

DISCUSSION:

The return of heat, potentially more impacting, is expected
by the middle of next week and potentially extending through
the latter part of it. Organized thunderstorms may be possible in
the mid week period.

.SPOTTER INFORMATION STATEMENT...

  Spotters may be needed after 3 p.m. this afternoon.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east at 15 to 25 mph.

$$

LMZ740>745-100915-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
411 AM CDT Thu Jul 9 2020

This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Significant Thunderstorm Risk...with an associated:
     Limited hail risk...up to quarter size.
     Elevated thunderstorm wind gust risk...up to 50 knots.

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

Friday...
  Limited Thunderstorm Risk.
Saturday Night and Sunday...
  Limited Thunderstorm Risk.
Wednesday...
  Limited Thunderstorm Risk.

$$

MTF

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