C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 192000
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
Issued by National Weather Service Lincoln IL
300 PM 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-
300 PM CDT Sat Jul 19 2025 /400 PM EDT Sat Jul 19 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Tornado Risk.
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...
Scattered thunderstorms and locally heavy rain are possible late
tonight, mainly south of I-80. Severe potential is generally low.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...
Elevated Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Monday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
Tuesday...
Limited Flooding Risk.
Wednesday...
Elevated Excessive Heat Risk.
Thursday...
Limited Thunderstorm Risk.
Elevated Excessive Heat Risk.
Friday...
Limited Thunderstorm Risk.
Limited Excessive Heat 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 after midnight tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east-southeast at 40 mph.
https://wxn.io/fa48r
