Hazardous Weather Outlook for McHenry Co., IL

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

FLUS43 KLOT 301915
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
215 PM CDT Wed Jul 30 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-
215 PM CDT Wed Jul 30 2025 /315 PM EDT Wed Jul 30 2025/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

Limited to Elevated Flooding Risk.
Limited Thunderstorm Risk.
High Swim Risk Lake Michigan Beaches.

DISCUSSION...

Strengthening northeast winds and building waves on Lake Michigan
will produce hazardous swim conditions starting this evening.

Additional showers and isolated storms are expected this evening
and overnight. Localized torrential rain rates may lead to localized
flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday and Friday...
High Swim Risk Lake Michigan Beaches.
Tuesday...
Limited Thunderstorm Risk.

Hazardous swimming conditions will persist at Lake Michigan
beaches into Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated this evening.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east at 25 to 30 mph this afternoon, and then
south at 10 to 15 mph after sunset.


https://wxn.io/5cnyk