935
WWUS63 KDVN 181713
WCNDVN

WATCH COUNTY NOTIFICATION FOR WATCH 599
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1213 PM CDT MON AUG 18 2025

ILC011-073-155-195-182300-
/O.NEW.KDVN.SV.A.0599.250818T1713Z-250818T2300Z/

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
599 IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR THE FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 4 COUNTIES

IN NORTH CENTRAL ILLINOIS

BUREAU                PUTNAM

IN NORTHWEST ILLINOIS

HENRY IL              WHITESIDE

THIS INCLUDES THE CITIES OF GENESEO, HENNEPIN, PRINCETON,
AND STERLING.

* PRIMARY THREATS INCLUDE...

 SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE.
 A TORNADO OR TWO POSSIBLE.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES                        :  20%
PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES       : <02%
PROB OF 10 OR MORE SEVERE WIND EVENTS              :  40%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH            :  20%
PROB OF 10 OR MORE SEVERE HAIL EVENTS              : <05%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES          : <05%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS :  50%
MEAN STORM MOTION /MPH/                            :  NE 40

$$