C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 190922
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
422 AM CDT Sat Jul 19 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-
422 AM CDT Sat Jul 19 2025 /522 AM EDT Sat Jul 19 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to quarter size.
Elevated Flooding Risk.
DISCUSSION...
Thunderstorms with the potential to produce damaging winds and
torrential rainfall are expected to cross the area late this
morning through mid-afternoon. Additional scattered thunderstorms
and locally heavy rain are possible late tonight, mainly south of
I-80.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Elevated Flooding Risk well south of I-80.
Limited Thunderstorm Risk.
High Swim Risk Lake Michigan Beaches.
Monday...
Limited Thunderstorm Risk well south of I-80.
Tuesday...
Limited Excessive Heat Risk.
Wednesday and Thursday...
Elevated Excessive Heat Risk.
Thursday night through Friday...
Limited Thunderstorm Risk.
DISCUSSION...
Thunderstorms with torrential rain and localized flash flooding
may persist south of I-80 on Sunday.
Dangerous heat and humidity are possible the middle of next week.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed late this morning and afternoon.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east-southeast at 40 mph.
https://wxn.io/p29xj
