2 products issued by NWS for: Zion IL
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
321 PM CDT Thu Jul 17 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-182030-
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-
321 PM CDT Thu Jul 17 2025 /421 PM EDT Thu Jul 17 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
High Swim Risk Lake Michigan Beaches.
DISCUSSION...
High waves and dangerous swimming conditions will continue at
Lake Michigan beaches through Friday morning.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday Morning...
High Swim Risk Lake Michigan Beaches.
Friday Night...
Limited Flooding Risk.
Limited Thunderstorm Risk.
Saturday...
Elevated Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Sunday...
Elevated Flooding Risk.
Limited Thunderstorm Risk.
Monday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
Tuesday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
Wednesday...
Elevated Excessive Heat Risk.
DISCUSSION...
Several rounds of thunderstorms may occur through early next
week with strong to severe thunderstorms possible along with
torrential rain and localized flash flooding.
Dangerous heat and humidity is possible the middle of next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Beach Hazards Statement
Coastal Hazard Message National Weather Service Chicago IL 341 PM CDT Thu Jul 17 2025 ILZ006-103-104-INZ001-002-180445- /O.CON.KLOT.BH.S.0005.000000T0000Z-250718T1400Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 341 PM CDT Thu Jul 17 2025 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 feet expected. * WHERE...In Illinois, Lake, Northern Cook and Central Cook Counties. In Indiana, Lake and Porter Counties. * WHEN...Through Friday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$