743
WGUS83 KLOT 180241
FLSLOT
FLOOD ADVISORY
NATIONAL WEATHER SERVICE CHICAGO IL
941 PM CDT FRI APR 17 2026
ILC031-043-197-180845-
/O.NEW.KLOT.FA.Y.0020.260418T0241Z-260418T0845Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COOK IL-DUPAGE IL-WILL IL-
941 PM CDT FRI APR 17 2026
..FLOOD ADVISORY IN EFFECT UNTIL 345 AM CDT SATURDAY
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.
* WHERE...A PORTION OF NORTHEAST ILLINOIS, INCLUDING THE FOLLOWING
COUNTIES, COOK, DUPAGE AND WILL.
* WHEN...UNTIL 345 AM CDT SATURDAY.
* IMPACTS...CREEKS AND STREAMS MAY RISE OUT OF THEIR BANKS. FLOODING
MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS. ROADS AND STREETS MAY
BE FLOODED.
* ADDITIONAL DETAILS...
- AT 940 PM CDT, DOPPLER RADAR INDICATED RAINFALL RATES UP TO 1
INCH PER HOUR MOVING INTO THE AREA. UP TO 1 INCH OF RAINFALL
WAS BEEN OBSERVED SO FAR IN NORTHERN COOK COUNTY DUE TO
EARLIER RAINFALL. ROADWAY AND UNDERPASS FLOODING MAY OCCUR
SHORTLY AFTER THE ONSET OF HEAVY RAINFALL.
- ISOLATED RAINFALL UP TO 1 INCH MAY OCCUR ACROSS THE AREA.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CHICAGO, AURORA, JOLIET, NAPERVILLE, ELGIN, CICERO, ARLINGTON
HEIGHTS, EVANSTON, SCHAUMBURG, BOLINGBROOK, PALATINE, SKOKIE,
DES PLAINES, ORLAND PARK, TINLEY PARK, OAK LAWN, BERWYN,
MOUNT PROSPECT, WHEATON AND HOFFMAN ESTATES.
- 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 4207 8824 4215 8824 4215 8774 4212 8771
4208 8767 4199 8764 4197 8762 4195 8762
4191 8761 4190 8758 4188 8759 4188 8760
4187 8759 4185 8759 4177 8755 4176 8753
4147 8753 4146 8825 4206 8826
WSL
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page