Hazardous Weather Outlook
Issued by NWS Chicago, IL

Home |  Current Version |  Previous Version |  Graphics & Text |  Print | Product List |  Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
854
FLUS43 KLOT 012040
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
340 PM CDT Mon Jul 1 2024

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-022045-
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-
340 PM CDT Mon Jul 1 2024 /440 PM EDT Mon Jul 1 2024/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk.
  High swim risk developing late Lake County IL shores

DISCUSSION...

There is a slight chance for thunderstorms tonight. Primary
threats are small hail and some wind gusts under 40 mph. Large
waves and strong currents will result in dangerous swim conditions
at Lake County Illinois beaches by early tomorrow morning.

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

Tuesday...
  High swim risk Lake County IL shores.
  Limited Flooding Risk.
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Wednesday...
  Limited Flooding Risk.
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk mainly south of US-24.
Thursday through Sunday...
  Limited Thunderstorm Risk at times.

DISCUSSION...

A cold front Tuesday night will bring showers and storms to the
area through Wednesday morning. Storms will be in a weakening
phase as they reach the western portion of the CWA although some
storms may still be strong to severe. The main hazards are hail,
strong winds, and localized flooding. Another threat for strong
to severe storms exists Wednesday afternoon as a warm front lifts
into the southern portion of the area.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the ENE at 20 mph.

$$

LMZ740>745-022045-
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-
340 PM CDT Mon Jul 1 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...Tonight.

Weather hazards expected...

  Hazardous conditions for small craft developing north of Chicago late.
  Limited Thunderstorm Risk.

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

Tuesday...
  Hazardous conditions for small craft are likely north of Chicago.
  Limited Thunderstorm Risk.
Wednesday through Sunday...
  Limited Thunderstorm Risk at times.

$$

Carothers

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