Hazardous Weather Outlook for McHenry Co., IL

FLUS43 KLOT 280301
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1001 PM CDT Thu Jul 27 2023


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-
1001 PM CDT Thu Jul 27 2023 /1101 PM EDT Thu Jul 27 2023/

This Hazardous Weather Outlook is for portions of North Central
Illinois...Northeast Illinois and Northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

Limited Thunderstorm Risk...with an associated:
Limited Hail Risk...up to Quarter size.
Limited Damaging Wind Risk...up to 60 mph.
Limited Flooding Risk.

DISCUSSION...

There remains a chance of thunderstorms tonight. If storms occur,
then some could produce very heavy rain, locally damaging winds,
and hail up to the size of quarters.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...
Limited Severe Thunderstorm Risk.
Limited Flooding Risk.
Significant Excessive Heat Risk.
Saturday...
Limited Thunderstorm Risk south of Kankakee River.
High Swim Risk Lake Michigan Shore
Wednesday...
Limited Thunderstorm Risk.

DISCUSSION...

Peak afternoon heat indices of 100 to 112 degrees are expected
Friday afternoon.

Thunderstorms are likely late Friday afternoon through Friday
evening. Some of these storms may be severe and could also
produce torrential downpours with an accompanying threat for
localized flash flooding.

Hazardous swim conditions are forecast at Lake Michigan beaches
on Saturday and may linger into early Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed Friday afternoon/evening.

GENERAL STORM MOTION OF THE DAY:

Moving toward the southeast at 20 to 30 mph.


https://wxn.io/uxp7l