329
WGUS83 KLOT 181452
FLSLOT
FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
952 AM CDT SAT APR 18 2026
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
ILLINOIS...
PECATONICA RIVER NEAR SHIRLAND AFFECTING WINNEBAGO COUNTY.
ROCK RIVER AT BYRON AFFECTING OGLE COUNTY.
ROCK RIVER AT ROCKTON AFFECTING WINNEBAGO COUNTY.
ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY.
...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS IN
ILLINOIS...
KISHWAUKEE RIVER NEAR PERRYVILLE AFFECTING WINNEBAGO COUNTY.
FOR THE ROCK RIVER...INCLUDING ROCKTON, LATHAM PARK, ROCKFORD
(AUBURN STREET), BYRON, DIXON...MODERATE FLOODING IS FORECAST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WARNING MEANS WATER LEVELS ABOVE FLOOD STAGE ARE IMMINENT OR
MAY ALREADY BE OCCURRING. PERSONS ALONG RIVERS AND STREAMS IN THE
WARNED AREA SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND
PROPERTY.
THESE FORECASTS ARE BASED ON OBSERVED PRECIPITATION AS WELL AS
FORECAST PRECIPITATION 24 HOURS INTO THE FUTURE. CHANGES TO THE
RAINFALL FORECAST, OR ANY ADDITIONAL RAINFALL AFTER 24 HOURS, MAY
CAUSE CHANGES TO THESE RIVER FORECASTS.
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV.
THE NEXT STATEMENT WILL BE ISSUED BY LATE TONIGHT.
ILC201-190900-
/O.EXT.KLOT.FL.W.0028.000000T0000Z-260425T0000Z/
/SIRI2.1.ER.260418T0022Z.260420T1200Z.260424T1800Z.NO/
952 AM CDT SAT APR 18 2026
..FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY EVENING
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* WHERE...PECATONICA RIVER FROM WINNEBAGO COUNTY LINE DOWNSTREAM TO
CONFLUENCE WITH THE ROCK RIVER, INCLUDING THE SHIRLAND GAUGE.
* WHEN...UNTIL FRIDAY EVENING.
* IMPACTS...AT 14.0 FEET, STRUCTURES THREATENED AT RIVERS EDGE
CAMPGROUND EAST OF SHIRLAND.
* ADDITIONAL DETAILS...
- AT 9:00 AM CDT SATURDAY THE STAGE WAS 12.8 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 9:00 AM CDT SATURDAY WAS 12.8 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 13.9
FEET MONDAY MORNING. IT WILL THEN FALL BELOW FLOOD STAGE
EARLY FRIDAY AFTERNOON.
- FLOOD STAGE IS 12.0 FEET.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4236 8940 4247 8922 4249 8909 4242 8907
4240 8917 4226 8940
ILC201-190900-
/O.EXT.KLOT.FL.W.0027.000000T0000Z-260421T1912Z/
/PRYI2.1.ER.260416T1623Z.260419T0000Z.260421T1312Z.NO/
952 AM CDT SAT APR 18 2026
..FLOOD WARNING NOW IN EFFECT UNTIL EARLY TUESDAY AFTERNOON
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* WHERE...KISHWAUKEE RIVER FROM CONFLUENCE WITH SOUTH BRANCH
KISHWAUKEE RIVER DOWNSTREAM TO THE ROCK RIVER, INCLUDING THE
PERRYVILLE GAUGE.
* WHEN...UNTIL EARLY TUESDAY AFTERNOON.
* IMPACTS...AT 15.0 FEET, OLD PERRYVILLE ROAD THREATENED SOUTH OF
ROCKFORD. WIDESPREAD INUNDATION OF AGRICULTURAL LAND AND FOREST
LAND NEAR CHICAGO ROCKFORD INTERNATIONAL AIRPORT.
* ADDITIONAL DETAILS...
- AT 8:30 AM CDT SATURDAY THE STAGE WAS 13.3 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 8:30 AM CDT SATURDAY WAS 13.3 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 14.2
FEET THIS EVENING. IT WILL THEN FALL BELOW FLOOD STAGE
TUESDAY MORNING.
- FLOOD STAGE IS 12.0 FEET.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4221 8910 4221 8903 4225 8898 4223 8893
4217 8899 4217 8916
ILC141-190900-
/O.CON.KLOT.FL.W.0026.000000T0000Z-000000T0000Z/
/BYRI2.2.ER.260417T1800Z.260420T1800Z.000000T0000Z.NO/
952 AM CDT SAT APR 18 2026
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE
* WHAT...MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS
FORECAST.
* WHERE...ROCK RIVER FROM CONFLUENCE WITH KISHWAUKEE RIVER TO CASTLE
ROCK STATE PARK NEAR OREGON, INCLUDING THE BYRON GAUGE.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...AT 15.5 FEET, WATER THREATENS LOWER SECTIONS OF THE
WATER TREATMENT PLANT PROPERTY IN BYRON. WATER THREATENS IL-2 WEST
OF BYRON.
* ADDITIONAL DETAILS...
- AT 9:15 AM CDT SATURDAY THE STAGE WAS 13.8 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 9:15 AM CDT SATURDAY WAS 13.8 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 15.3
FEET EARLY MONDAY AFTERNOON.
- FLOOD STAGE IS 13.0 FEET.
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF
15.4 FEET ON 07/22/2017.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4222 8917 4218 8910 4207 8927 4195 8932
4198 8942 4211 8937
ILC201-190900-
/O.CON.KLOT.FL.W.0025.000000T0000Z-000000T0000Z/
/ROKI2.2.ER.260416T2122Z.260420T1800Z.000000T0000Z.NO/
952 AM CDT SAT APR 18 2026
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE
* WHAT...MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS
FORECAST.
* WHERE...ROCK RIVER FROM PRAIRIE HILL ROAD DOWNSTREAM TO SWANSON
ROAD IN ROSCOE, INCLUDING THE ROCKTON GAUGE.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...AT 13.5 FEET, OLD RIVER ROAD THREATENED WEST OF ROSCOE
BRIDGE.
* ADDITIONAL DETAILS...
- AT 8:30 AM CDT SATURDAY THE STAGE WAS 11.8 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 8:30 AM CDT SATURDAY WAS 11.8 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 13.4
FEET EARLY MONDAY AFTERNOON.
- FLOOD STAGE IS 10.0 FEET.
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF
13.5 FEET ON 02/26/2018.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4248 8910 4247 8902 4245 8902 4239 8898
4239 8908 4246 8912
ILC201-190900-
/O.CON.KLOT.FL.W.0024.000000T0000Z-000000T0000Z/
/LATI2.2.ER.260416T1543Z.260421T0600Z.000000T0000Z.NO/
952 AM CDT SAT APR 18 2026
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE
* WHAT...MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS
FORECAST.
* WHERE...ROCK RIVER FROM SWANSON ROAD IN ROSCOE DOWNSTREAM TO
SHOREWOOD PARK IN LOVES PARK, INCLUDING THE LATHAM PARK GAUGE.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...AT 13.0 FEET, VENTURA BOULEVARD IS THREATENED NORTH OF
RALSTON ROAD IN MACHESNEY PARK.
* ADDITIONAL DETAILS...
- AT 8:30 AM CDT SATURDAY THE STAGE WAS 10.6 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 8:30 AM CDT SATURDAY WAS 10.6 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 12.9
FEET EARLY TUESDAY MORNING.
- FLOOD STAGE IS 9.0 FEET.
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF
12.9 FEET ON 07/29/2010.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4239 8908 4239 8898 4230 8903 4230 8911
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