462  
WWUS53 KLOT 180038  
SVSLOT  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
738 PM CDT FRI APR 17 2026  
 
ILC111-180115-  
/O.CON.KLOT.TO.W.0018.000000T0000Z-260418T0115Z/  
MCHENRY IL-  
738 PM CDT FRI APR 17 2026  
 
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR NORTHERN  
MCHENRY COUNTY...  
 
AT 737 PM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO  
WAS LOCATED OVER HARVARD, MOVING EAST AT 45 MPH.  
 
HAZARD...TORNADO.  
 
SOURCE...RADAR INDICATED ROTATION. REPORT OF FUNNEL CLOUD ALONG IL-  
173 IN MCHENRY COUNTY.  
 
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT  
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE  
TO ROOFS, WINDOWS, AND VEHICLES WILL OCCUR. TREE DAMAGE IS  
LIKELY.  
 
THIS DANGEROUS STORM WILL BE NEAR...  
HEBRON AROUND 745 PM CDT.  
 
OTHER LOCATIONS IN THE PATH OF THIS TORNADIC THUNDERSTORM INCLUDE  
WONDER LAKE, RICHMOND, FOX LAKE, JOHNSBURG, TWIN LAKES, SPRING GROVE,  
PISTAKEE HIGHLANDS AND GENOA CITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST  
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS, IN A  
MOBILE HOME, OR IN A VEHICLE, MOVE TO THE CLOSEST SUBSTANTIAL SHELTER  
AND PROTECT YOURSELF FROM FLYING DEBRIS.  
 

 
 
LAT...LON 4237 8820 4234 8871 4249 8871 4250 8821  
TIME...MOT...LOC 0037Z 266DEG 38KT 4242 8865  
 
TORNADO...RADAR INDICATED  
MAX HAIL SIZE...0.00 IN  
 

 
 
YACK  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page