Hazardous Weather Outlook for McHenry Co., IL

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

FLUS43 KLOT 260825
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
325 AM CDT Sat Jul 26 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-
325 AM CDT Sat Jul 26 2025 /425 AM EDT Sat Jul 26 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...

Significant Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph
Elevated Flooding Risk.

DISCUSSION...

Periods of heavy rain producing showers and storms are expected
overnight which may lead to torrential rainfall and flash
flooding, especially mid morning into the afternoon. There is
also a threat for a few strong to severe storms in the afternoon,
mainly south of I-88.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Sunday...
Limited Thunderstorm Risk...
Elevated Excessive Heat Risk.
Monday...
Significant Excessive Heat Risk.
Tuesday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
Elevated Excessive Heat Risk.
Wednesday...
Limited Thunderstorm Risk.

DISCUSSION...

Heat and humidity may once again build to dangerous levels at
times Sunday through Tuesday with the hottest conditions expected
on Monday.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed later this morning into the afternoon.

GENERAL STORM MOTION OF THE DAY:

Moving toward the northeast at 30 mph.


https://wxn.io/05w0q