275
FLUS43 KLOT 201631
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1131 AM CDT Thu Jun 20 2024

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-211645-
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-
1131 AM CDT Thu Jun 20 2024 /1231 PM EDT Thu Jun 20 2024/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...This Afternoon and Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk.
  Limited Flooding Risk.

DISCUSSION...

Isolated to widely scattered thunderstorms are expected this
afternoon. Severe weather is not expected, though the strongest
storms could produce gusty winds and torrential downpours.
Another hot and humid day is expected with peak heat indices
generally in the 95 to 100 degree range. However, cooler
temperatures are expected closer to the Lake Michigan shore.


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

Friday...
  Limited Thunderstorm Risk north of I-88.
  Limited Excessive Heat Risk away from the lakeshore.
Saturday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
  Limited Excessive Heat Risk.
Sunday...
  Limited Thunderstorm Risk southeast of I-55.
Tuesday and Wednesday...
  Limited Thunderstorm Risk.

DISCUSSION...

Peak afternoon heat indices in the 95 to 100 degree range along
with intermittent thunderstorm chances will continue through
Saturday, although cooler conditions are expected near Lake
Michigan on Friday. A few storms could be strong to severe
northwest of Interstate 55 late Saturday afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east-northeast at 20-25 mph.

$$

LMZ740>745-211645-
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-
1131 AM CDT Thu Jun 20 2024

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...This Afternoon and Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk.

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

Friday...
  Limited Thunderstorm Risk.
Saturday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Sunday through Wednesday...
  Limited Thunderstorm Risk.

$$

KJB

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