Hazard Report Provided By forecast.weather.gov

Coastal Hazard Message
National Weather Service Chicago IL
932 PM CDT Sun Aug 17 2025

ILZ006-103-104-INZ001-002-181045-
/O.CON.KLOT.BH.S.0008.000000T0000Z-250818T1500Z/
Lake IL-Northern Cook-Central Cook-Lake IN-Porter-
932 PM CDT Sun Aug 17 2025

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY
MORNING...

* WHAT...High wave action and dangerous currents expected at
  Lake Michigan beaches. Waves 3 to 6 ft expected.

* WHERE...In Illinois, Lake, Northern Cook and Central Cook
  Counties. In Indiana, Lake and Porter Counties.

* WHEN...Through Monday morning.

* 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.

&&

$$

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
937 PM CDT Sun Aug 17 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-190245-
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-
937 PM CDT Sun Aug 17 2025 /1037 PM EDT Sun Aug 17 2025/

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.
  Limited Excessive Heat Risk.

DISCUSSION...

Isolated thunderstorms are possible tonight, mainly west of a
Rockford to Watseka line. Any storms that do occur will be
capable of locally heavy downpours and gusty winds.

High waves and dangerous currents are expected at Lake Michigan
beaches.

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

Monday...
  Elevated Flooding Risk.
  Elevated Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
  Limited Excessive Heat Risk.
Tuesday...
  Limited Flooding Risk.
  Limited Thunderstorm Risk.
  Limited Excessive Heat Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the southeast at 15 mph.

$$

Hazard Report Provided By forecast.weather.gov