National Weather Service Text Product Display

Hazardous Weather Outlook
Issued by NWS Chicago, IL

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FLUS43 KLOT 201644
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1144 AM CDT Tue Apr 20 2021

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-
1144 AM CDT Tue Apr 20 2021 /1244 PM EDT Tue Apr 20 2021/

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...

  Significant Freeze Risk.
  Limited Snow Risk.

DISCUSSION...

A late season storm system will continue to produce some
accumulating wet snow over parts of the area today, with
accumulations primarily on non-paved surfaces. The greatest
potential will be east of I-55 and south of I-80 this afternoon
and early evening. Elsewhere across northern Illinois, scattered
snow showers this afternoon may produce brief minor snow
accumulations.

Sub-freezing temperatures are expected tonight, including in the
Chicago metro.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday and Thursday...
  Significant Freeze Risk.

DISCUSSION:

Sub-freezing temperatures are expected again Wednesday night.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

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-
1144 AM CDT Tue Apr 20 2021

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.

  No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Saturday and Sunday...
  Hazardous conditions for small craft are likely.

$$

KJB

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