National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FLUS43 KLOT 230757
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
257 AM CDT Mon Sep 23 2019

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
240800-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Lake IN-Porter-Newton-Jasper-Benton-
257 AM CDT Mon Sep 23 2019 /357 AM EDT Mon Sep 23 2019/

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

.DAY ONE...Today and Tonight.

Weather hazards expected...

  High Swim Risk for Porter County.

DISCUSSION...

Strong northwest winds will produce hazardous swimming conditions
along Porter County Indiana Lake Michigan beaches today.

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

Tuesday Night...
  Limited Severe Thunderstorm Risk.
Wednesday...
  Limited Thunderstorm Risk.
Thursday...
  Elevated Thunderstorm Risk.
Friday...
  Elevated Thunderstorm Risk.
  Limited Non Thunderstorm Wind Risk.
Saturday and Sunday...
  Limited Thunderstorm Risk.

DISCUSSION:

Portions of the Des Plains, Fox and Pecatonica rivers will remain
elevated this week.

Thunderstorm chances increase by mid week, with the highest
chances for storms expected late Tuesday night into Wednesday. A
few stronger storms are possible during this time, mainly along
and west of I-39 in north central Illinois. Active weather returns
late in the work week into the weekend, with periodic chances for
thunderstorms expected.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

LMZ740>745-240800-
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-
257 AM CDT Mon Sep 23 2019

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.

 Hazardous conditions for small craft are likely.

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

Tuesday and Wednesday...
  Hazardous conditions for small craft are likely.
  Limited Thunderstorm Risk.
Thursday...
  Limited Thunderstorm Risk.
Friday...
  Hazardous conditions for small craft are likely.
  Limited Thunderstorm Risk.
Saturday and Sunday...
  Limited Thunderstorm Risk.

$$

Rodriguez

Visit us at http://weather.gov/chicago

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