C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 172021
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
321 PM CDT Thu Jul 17 2025
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.
https://wxn.io/zg575
