Hazardous Weather Outlook
Issued by NWS Chicago, IL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
807
FLUS43 KLOT 190843
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
343 AM CDT Sun May 19 2024

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-200845-
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-
343 AM CDT Sun May 19 2024 /443 AM EDT Sun May 19 2024/

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

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk.

DISCUSSION...

There is a slight chance of thunderstorms south of the Illinois
and Kankakee Rivers this afternoon into early this evening.

There is also a slight chance of thunderstorms toward daybreak
Tuesday near the Interstate 39 corridor.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday afternoon and early evening...
  Elevated Thunderstorms risk with an associated:
    Limited Severe Thunderstorm Risk.
Tuesday evening and night...
  Significant Thunderstorms risk with an associated:
    Elevated Severe Thunderstorm Risk.
Saturday...
  Limited Thunderstorm Risk.

DISCUSSION...

Scattered thunderstorms are likely Monday, especially during the
afternoon and early evening. Conditions will probably become
marginally supportive of a couple of the storms briefly becoming
severe, mainly between 2 PM and 8 PM. If any storms do become
severe, the primary hazards would be hail up to around 1 inch in
diameter and wind gusts up to around 60 mph.

There is a chance thunderstorms early Tuesday morning, mainly
across northern Illinois northwest of Interstate 55. If any
storms do occur, the threat of severe weather appears rather low.

Additional thunderstorms are likely Tuesday evening into Tuesday
night. Some of these storms could become severe, with the highest
chances of severe weather near and west of the Interstate 39
corridor. The primary potential severe hazards Tuesday night would
be damaging winds and perhaps brief tornadoes.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east or southeast at less than 10 mph.

$$

LMZ740>745-200845-
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-
343 AM CDT Sun May 19 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...Today and Tonight.

  No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday afternoon and night...
  Limited Severe Thunderstorm Risk.
Tuesday...
  Hazardous conditions for small craft are likely.
Tuesday night...
  Hazardous conditions for small craft are likely.
  Limited Severe Thunderstorm Risk.
Saturday...
  Limited Thunderstorm Risk.

$$

- Izzi

Visit us at www.weather.gov/chicago

Follow us on Facebook, Twitter, and Youtube at:
www.facebook.com/nwschicago
www.twitter.com/nwschicago
www.youtube.com/nwschicago