Heavy rainfall bringing flooding to portions of Boone, Lake and McHenry counties in extreme northern Illinois

Weather
FLOOD ADVISORY
NATIONAL WEATHER SERVICE CHICAGO IL
458 PM CDT TUE AUG 24 2021

ILC007-097-111-250100-
/O.NEW.KLOT.FA.Y.0032.210824T2158Z-210825T0100Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOONE IL-LAKE IL IL-MCHENRY IL-
458 PM CDT TUE AUG 24 2021

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* FLOOD ADVISORY FOR...
  NORTHERN BOONE COUNTY IN NORTH CENTRAL ILLINOIS...
  WESTERN LAKE IL COUNTY IN NORTHEASTERN ILLINOIS...
  NORTHERN MCHENRY COUNTY IN NORTHEASTERN ILLINOIS...

* UNTIL 800 PM CDT.

* AT 458 PM CDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO 
  THUNDERSTORMS. BETWEEN 1 AND 2 INCHES OF RAIN HAVE FALLEN.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MCHENRY, BELVIDERE, WOODSTOCK, FOX LAKE, HARVARD, POPLAR GROVE, 
  JOHNSBURG, LAKEMOOR, SPRING GROVE, CANDLEWICK LAKE, WONDER LAKE, 
  PISTAKEE HIGHLANDS, RICHMOND, CAPRON, HEBRON, BULL VALLEY, 
  MCCULLOM LAKE, TIMBERLANE, RINGWOOD AND CHEMUNG.

ADDITIONAL RAINFALL OF 1 TO 2 INCHES IS EXPECTED OVER THE AREA. THIS 
ADDITIONAL RAIN WILL RESULT IN MINOR FLOODING.

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.

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