813
WGUS83 KLOT 212304
FLSLOT
FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
604 PM CDT TUE APR 21 2026
ILC097-111-291800-
/O.CON.KLOT.FA.W.0003.000000T0000Z-260429T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAKE IL IL-MCHENRY IL-
604 PM CDT TUE APR 21 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES.
* WHERE...A PORTION OF NORTHEAST ILLINOIS, INCLUDING THE FOLLOWING
COUNTIES, LAKE IL AND MCHENRY.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...NUMEROUS ROADS, YARDS, STRUCTURES, AND AREAS OF PARK
LAND ARE FLOODING ALONG THE FOX RIVER CHAIN OF LAKES. FLOODING
WILL CONTINUE THROUGH AT LEAST THE MIDDLE OF NEXT WEEK.
* ADDITIONAL DETAILS...
- AT 600 PM CDT, RIVER GAUGES ALONG THE FOX RIVER CHAIN OF
LAKES INDICATED WATER LEVELS CONTINUING TO CLIMB SLOWLY. THE
RATE OF CLIMB HAS SLOWED SINCE YESTERDAY. WATER LEVELS ON
CHANNEL LAKE EXCEEDED MAJOR FLOOD STAGE YESTERDAY AND WATER
LEVELS ON FOX LAKE AND NIPPERSINK LAKE EXCEEDED MAJOR FLOOD
STAGE TODAY. THE LATEST FORECAST FROM THE ILLINOIS DEPARTMENT
OF NATURAL RESOURCES INDICATES THAT WATER LEVELS ARE NEAR
CREST.
- WATER LEVELS ARE EXPECTED TO REMAIN ABOVE FLOOD STAGE AT
LEAST THROUGH THE MIDDLE OF NEXT WEEK, ASSUMING NO ADDITIONAL
RAINFALL OCCURS. IMPACTS FROM THIS FLOOD ARE LIKELY TO BE
SIMILAR TO THOSE EXPERIENCED IN MAY OF 1973, APRIL 1979, OR
OCTOBER OF 1986, WHICH EACH CRESTED AT SIMILAR LEVELS.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE AREAS
ALONG THE FOX RIVER CHAIN OF LAKES, INCLUDING NIPPERSINK
LAKE, FOX LAKE, PISTAKEE LAKE, PETITE LAKE, LAKE MARIE,
CHANNEL LAKE, AND LAKE CATHERINE.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 4250 8810 4250 8809 4245 8809 4238 8813
4234 8818 4238 8829 4242 8820 4246 8820
4250 8820 4250 8819
WSL
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