502
WGUS83 KLOT 111432
FLSLOT
FLOOD ADVISORY
NATIONAL WEATHER SERVICE CHICAGO IL
932 AM CDT TUE AUG 11 2026
ILC007-037-099-103-141-201-111830-
/O.NEW.KLOT.FA.Y.0097.260811T1432Z-260811T1830Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOONE IL-DE KALB IL-LA SALLE IL-LEE IL-OGLE IL-WINNEBAGO IL-
932 AM CDT TUE AUG 11 2026
..FLOOD ADVISORY IN EFFECT UNTIL 130 PM CDT THIS AFTERNOON
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.
* WHERE...BOONE COUNTY IN NORTH CENTRAL ILLINOIS...
DE KALB COUNTY IN NORTH CENTRAL ILLINOIS...
NORTHERN LA SALLE COUNTY IN NORTH CENTRAL ILLINOIS...
LEE COUNTY IN NORTH CENTRAL ILLINOIS...
OGLE COUNTY IN NORTH CENTRAL ILLINOIS...
SOUTHERN WINNEBAGO COUNTY IN NORTH CENTRAL ILLINOIS...
* WHEN...UNTIL 130 PM CDT.
* IMPACTS...CREEKS AND STREAMS MAY RISE OUT OF THEIR BANKS. ROADS AND
STREETS MAY BE FLOODED.
* ADDITIONAL DETAILS...
- AT 931 AM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
A LINE OF INTENSE THUNDERSTORMS WITH RAINFALL RATES OF 2 TO 3
INCHES PER HOUR MOVING THROUGH THE AREA. LOCALIZED FLOODING OF
ROADWAYS AND POOR DRAINAGE AREAS WILL OCCUR SHORTLY AFTER THE
ONSET OF RAINFALL.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ROCKFORD, DEKALB, BELVIDERE, LOVES PARK, MACHESNEY PARK, OTTAWA,
SYCAMORE, DIXON, ROCHELLE, SANDWICH, MENDOTA, POPLAR GROVE,
GENOA, BYRON, OREGON, MOUNT MORRIS, AMBOY, POLO AND SHERIDAN.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD ADVISORY MEANS MINOR FLOODING ALONG WATERWAYS AND OTHER POOR
DRAINAGE AREAS IS IMMINENT OR MAY ALREADY BE OCCURRING. PERSONS IN
THE ADVISORY AREA SHOULD USE CAUTION AND AVOID FLOOD WATERS.
LAT...LON 4193 8963 4193 8969 4220 8969 4220 8940
4237 8939 4236 8871 4215 8871 4215 8859
4138 8859 4137 8916 4159 8917 4158 8963
WSL
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