Special Weather Statement for McHenry Co., IL

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

WWUS83 KLOT 202118
SPSLOT

Special Weather Statement
National Weather Service Chicago/Romeoville
418 PM CDT Sat Sep 20 2025


McHenry IL-
418 PM CDT Sat Sep 20 2025

...A GUSTY THUNDERSTORM WILL IMPACT MCHENRY COUNTY THROUGH 515 PM
CDT...

At 417 PM CDT, Doppler radar was tracking a gusty thunderstorm near
Marengo, moving northeast at 30 mph.

HAZARD...Wind gusts of 40 to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.

Locations impacted include...
Oakwood Hills, Spring Grove, McCullom Lake, Algonquin, Union,
Woodstock, Harvard, Hebron, Holiday Hills, McHenry, Ridgefield,
Lakemoor, Cary, Johnsburg, Ringwood, Pistakee Highlands, Huntley,
Island Lake, Greenwood, Wonder Lake, Lakewood, Prairie Grove,
Marengo, Trout Valley, and Lake in the Hills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle

&&

LAT...LON 4225 8820 4215 8824 4215 8871 4221 8871
4250 8858 4249 8820
TIME...MOT...LOC 2117Z 207DEG 25KT 4217 8858

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH


https://wxn.io/9635y