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Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
350 AM CDT Thu Jun 18 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-190900-
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-
350 AM CDT Thu Jun 18 2026 /450 AM EDT Thu Jun 18 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 Porter County Indiana Lake Michigan Beaches.

DISCUSSION...

High waves and strong currents are expected early this morning at
Porter County Indiana Lake Michigan Beaches.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday night...
  Limited Thunderstorm Risk.
Saturday night and Sunday...
  Elevated Flooding Risk.
  Limited Thunderstorm Risk.
  High Swim Risk Lake Michigan Beaches.
Monday...
  High Swim Risk Lake Michigan Beaches.
Tuesday and Wednesday...
  Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

Hazard Report Provided By forecast.weather.gov

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