...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...
...Dark Green-shaded area on headlined map...
The National Weather Service in Chicago has issued a
* Flash Flood Watch for portions of Illinois and northwest
Indiana, including the following areas, in Illinois, Cook, De
Kalb, DuPage, Ford, Grundy, Iroquois, Kane, Kankakee, Kendall,
La Salle, Lee, Livingston, Ogle, and Will. In northwest
Indiana, Benton, Jasper, Lake IN, Newton, and Porter.
* Through late tonight
* Waves of thunderstorms will produce torrential rainfall with
hourly rainfall rates of one to two inches or more at times.
Including rain that has already fallen, some locations may
observe rainfall totals of over five inches.
* Rivers and streams may exhibit rapid rises and quickly go out of
..A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
CENTRAL LIVINGSTON AND SOUTH CENTRAL LA SALLE COUNTIES...
At 200 PM CDT, Doppler radar indicated a line of heavy thunderstorms
extending from near Minonk to near Pontiac. Doppler radar estimates
and automated rain gauges have indicated one to three inches of rain
across the warned area, with isolated higher amounts. Flash flooding
may begin at any time.
Areas most likely to experience flooding include...
Pontiac, Flanagan, Graymont and Dana.
This includes the following streams... Diamond Creek, Mole Creek,
Rooks Creek, and the headwaters of the Vermilion River.