Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1037 AM CDT Tue Jul 21 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-221545-
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-
1037 AM CDT Tue Jul 21 2026 /1137 AM EDT Tue Jul 21 2026/

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 Lake Michigan Beaches tonight.

DISCUSSION...

Waves will build on Lake Michigan this evening leading to a High
Swim Risk.

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

Wednesday...
  High Swim Risk Lake Michigan Beaches.
Saturday night and Sunday...
  Limited Thunderstorm Risk.

DISCUSSION...

A High Swim Risk will continue through early Thursday morning.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.


$$

Coastal Hazard Message
National Weather Service Chicago IL
948 AM CDT Tue Jul 21 2026

ILZ006-103-104-212300-
/O.CON.KLOT.BH.S.0008.260721T2100Z-260723T0300Z/
Lake IL-Northern Cook-Central Cook-
948 AM CDT Tue Jul 21 2026

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 PM CDT THIS
AFTERNOON THROUGH WEDNESDAY EVENING...

* WHAT...High wave action and dangerous currents at Lake
  Michigan beaches expected.

* WHERE...Lake IL, Northern Cook and Central Cook Counties.

* WHEN...From this afternoon through Wednesday evening.

* IMPACTS...Swimming conditions will be life threatening,
  especially for inexperienced swimmers. For information on swim
  advisories or bans at Chicago beaches: www. cpdbeaches. com.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid dangerous swimming conditions
and do not venture out onto piers, jetties, breakwalls, or other
shoreline structures.

&&

$$

Hazard Report Provided By forecast.weather.gov