Watches, Warnings & Advisories

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
339 AM CDT Mon Sep 14 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-150845-
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-
339 AM CDT Mon Sep 14 2026 /439 AM EDT Mon Sep 14 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 IL Lake Michigan Beaches north of Chicago.
  Limited Thunderstorm and Flooding Risk late tonight.

DISCUSSION...

Dangerous swimming conditions will develop late this afternoon
and evening along the Illinois Lake Michigan shore north of
Chicago.

Scattered thunderstorms are expected late tonight northwest of
I-55. Torrential downpours may accompany these storms.

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

Tuesday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
  Limited to Elevated Flooding Risk.
Wednesday and Thursday...
  Limited Thunderstorm Risk.
  Limited to Elevated Flooding Risk.
Saturday and Sunday...
  Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east northeast around 40 mph

$$

Beach Hazards Statement

Coastal Hazard Message
National Weather Service Chicago IL
308 AM CDT Mon Sep 14 2026

ILZ006-103-141615-
/O.NEW.KLOT.BH.S.0014.260914T2200Z-260915T1200Z/
Lake IL-Northern Cook-
308 AM CDT Mon Sep 14 2026

...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS AFTERNOON THROUGH
TUESDAY MORNING...

* WHAT...High wave action and dangerous currents expected at Lake
  Michigan beaches. Waves 5 to 8 ft expected.

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

* WHEN...From this afternoon through Tuesday morning.

* IMPACTS...Swimming conditions will be life threatening,
  especially for inexperienced swimmers.


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.

&&

$$