Alert archive / Illinois / River Flood Warnings in 2008

River Flood Warning 21, NWS Chicago, IL

January 29, 2008Ogle County, Illinois

NWS Chicago, IL issued this river flood warning at Jan 29, 2008, 4:19 AM CST for Ogle County, Illinois. It took effect at Jan 29, 2008, 12:00 PM CST. It was in force for 41 hr.

The area

The counties it named.

The facts

Issued: Jan 29, 2008, 4:19 AM CST (10:19 UTC)
In effect from: Jan 29, 2008, 12:00 PM CST
Expired: Jan 31, 2008, 4:33 AM CST
In force: 41 hr
Issued by: NWS Chicago, IL
Flood severity: Moderate

County Ogle County, IL

The radar

The Chicago radar (KLOT), 113 km from the middle of the area, began a volume at 10:21 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Rock River at Byron (BYRI2). The gauge peaked at 13.00 ft at Jan 29, 2008, 9:00 PM CST.

Action stage: 10.5 ft
Minor stage: 13 ft
Moderate stage: 14 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05440700, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS43 KLOT 291019
FLWLOT
 
FLOOD WARNING 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
419 AM CST TUE JAN 29 2008

...THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A FLOOD WARNING
FOR THE FOLLOWING RIVERS IN ILLINOIS... 

  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY

.ICE JAMS AND RUNOFF FROM MELTING SNOW ARE RESULTING IN RISES ON THE ROCK RIVER NEAR BYRON. FLOODING MAY AFFECT LOW LYING AREAS AND BACK YARDS ALONG THE RIVER...AND PARK AREAS NEAR THE BRIDGE IN BYRON. IT SHOULD BE NOTED THAT ICE JAMS CAN RESULT IN RAPID RISES IN WATER LEVELS...AND RESIDENTS IN LOW LYING AREAS ALONG THE ROCK RIVER SHOULD CONTINUE TO CLOSELY MONITOR RIVER LEVELS.

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ADDITIONAL INFORMATION CAN BE FOUND AT WEATHER.GOV/CHICAGO. 

ILC141-292219-
/O.NEW.KLOT.FL.W.0021.080129T2100Z-000000T0000Z/
/BYRI2.2.ER.080129T2100Z.080131T1800Z.000000T0000Z.UU/
419 AM CST TUE JAN 29 2008

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A 

* FLOOD WARNING FOR 
  THE ROCK RIVER AT BYRON.
* FROM THIS AFTERNOON UNTIL FURTHER NOTICE...OR UNTIL FURTHER NOTICE.
* AT  300 AM TUESDAY THE STAGE WAS 12.8 FEET. 
* MODERATE FLOODING IS FORECAST. 
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND 
  CONTINUE TO RISE TO NEAR 14.4 FEET BY THURSDAY AFTERNOON.
* IMPACT...AT 15.0 FEET...PARK AREAS NEAR THE BRIDGE IN BYRON ARE 
  COMPLETELY FLOODED.

$$

6 follow-up statements

000 
WGUS83 KLOT 291546
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
946 AM CST TUE JAN 29 2008

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
ILLINOIS...
 
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY  
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY 
  
.WATER LEVELS CONTINUE TO RISE ON THE ROCK RIVER AS A RESULT OF
SNOWMELT. ICE JAMS WERE ALSO RESULTING IN ELEVATED WATER LEVELS ON
THE ROCK RIVER IN THE MACHESNEY PARK AREA. ANY RUNOFF GENERATED FROM
THE SNOWMELT IN THE LAST 24 HOURS WILL LIKELY SLOW DOWN OR CEASE AS
TEMPERATURES WILL DROP BELOW FREEZING AGAIN BY THIS EVENING.

ICE JAMS ARE DIFFICULT TO PREDICT AND WATER LEVELS CAN RISE RAPIDLY
IN THE VICINITY OF A JAM.

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC201-300346-
/O.CON.KLOT.FL.W.0020.000000T0000Z-000000T0000Z/
/LATI2.2.IJ.080123T1018Z.080201T0000Z.000000T0000Z.UU/
946 AM CST TUE JAN 29 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT LATHAM PARK.
* UNTIL FURTHER NOTICE...OR UNTIL THE WARNING IS CANCELLED.
* AT 845 AM TUESDAY THE STAGE WAS 11.1 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 11.6 FEET BY 
  THURSDAY EVENING.


$$

ILC141-300346-
/O.EXT.KLOT.FL.W.0021.080129T1800Z-000000T0000Z/
/BYRI2.2.ER.080129T1800Z.080201T0600Z.000000T0000Z.UU/
946 AM CST TUE JAN 29 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT BYRON.
* UNTIL FURTHER NOTICE...OR UNTIL THE WARNING IS CANCELLED.
* AT 845 AM TUESDAY THE STAGE WAS 12.9 FEET. 
* MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS AFTERNOON AND CONTINUE TO
  RISE TO NEAR 14.5 FEET BY EARLY FRIDAY MORNING.
* IMPACT...AT 15.0 FEET...PARK AREAS NEAR THE BRIDGE IN BYRON ARE 
  COMPLETELY FLOODED.

$$

WDM

000 
WGUS83 KLOT 300124
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
724 PM CST TUE JAN 29 2008

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
ILLINOIS...
 
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY 
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN ILLINOIS..
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY 

.ICE JAMS CONTINUE TO RESULT IN ELEVATED WATER LEVELS ON THE ROCK
RIVER IN THE MACHESNEY PARK AREA.  WITH COLDER AIR MOVING INTO THE
REGION...THE INCREASED RUNOFF EXPERIENCED FROM WARMER TEMPERATURES
EARLIER THIS WEEK HAS CEASED.  

ICE JAMS ARE VERY DIFFICULT TO PREDICT AND WATER LEVELS CAN RISE
RAPIDLY IN THE VICINITY OF A JAM.  

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC201-301324-
/O.CON.KLOT.FL.W.0020.000000T0000Z-000000T0000Z/
/LATI2.2.IJ.080123T1018Z.080131T0600Z.000000T0000Z.UU/
724 PM CST TUE JAN 29 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT LATHAM PARK.
* UNTIL FURTHER NOTICE...OR UNTIL THE WARNING IS CANCELLED.
* AT 615 PM TUESDAY THE STAGE WAS 11.1 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 11.3 FEET BY 
  EARLY THURSDAY MORNING BEFORE THEN BEGINNING TO SLOWLY FALL.

$$

ILC141-301323-
/O.EXT.KLOT.FL.W.0021.000000T0000Z-080205T0000Z/
/BYRI2.1.ER.080130T0600Z.080131T1800Z.080204T1800Z.UU/
724 PM CST TUE JAN 29 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT BYRON.
* UNTIL MONDAY EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT 615 PM TUESDAY THE STAGE WAS 12.9 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE BY EARLY 
  WEDNESDAY AND THEN WILL CONTINUE RISING TO NEAR 13.6 FEET BY 
  THURSDAY AFTERNOON. THE RIVER WILL FALL BELOW FLOOD STAGE BY MONDAY 
  AFTERNOON.
* IMPACT...AT 13.0 FEET...WATER APPROACHES HOUSES ALONG THE RIVER.

$$

GITRO

000 
WGUS83 KLOT 301019
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
419 AM CST WED JAN 30 2008

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN ILLINOIS..
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY 

.WATER LEVELS REMAIN HIGH ON THE ROCK RIVER AS A RESULT OF RECENT 
SNOWMELT AND ICE JAMS. ICE JAMS APPEAR TO BE AFFECTING ESPECIALLY 
AREAS ALONG THE ROCK RIVER UPSTREAM OF ROCKFORD.

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC201-302218-
/O.CON.KLOT.FL.W.0020.000000T0000Z-000000T0000Z/
/LATI2.2.IJ.080123T1018Z.080131T0600Z.000000T0000Z.UU/
419 AM CST WED JAN 30 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT LATHAM PARK.
* UNTIL FURTHER NOTICE...OR UNTIL THE WARNING IS CANCELLED.
* AT 300 AM WEDNESDAY THE STAGE WAS 10.6 FEET. 
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...THE RIVER IS ICE AFFECTED...AND RIVER LEVELS MAY FLUCTUATE 
  RAPIDLY AROUND 11 FEET FOR THE NEXT FEW DAYS.

$$

ILC141-302218-
/O.CON.KLOT.FL.W.0021.000000T0000Z-080205T0000Z/
/BYRI2.1.ER.080130T1034Z.080131T1800Z.080204T1800Z.UU/
419 AM CST WED JAN 30 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT BYRON.
* UNTIL MONDAY EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT 300 AM WEDNESDAY THE STAGE WAS 12.9 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...THE RIVER IS BEING AFFECTED BY ICE...AND THOUGH IT IS 
  EXPECTED TO RISE TO NEAR 13.6 FEET BY THURSDAY AFTERNOON...THE
  RIVER MAY FLUCTUATE RAPIDLY UP OR DOWN.
* IMPACT...AT 13.0 FEET...WATER APPROACHES HOUSES ALONG THE RIVER.

$$

000 
WGUS83 KLOT 301711
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
1111 AM CST WED JAN 30 2008

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
ILLINOIS...
 
  ROCK RIVER AT ROCKTON AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY 

.A COMBINATION OF RUNOFF FROM MELTING SNOW AND ICE JAMS CONTINUES TO
RESULT IN SOME FLOODING ALONG PORTIONS OF THE ROCK RIVER.

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC201-310511-
/O.EXT.KLOT.FL.W.0022.080130T1705Z-080201T0600Z/
/ROKI2.1.ER.080130T1541Z.080130T1800Z.080201T0000Z.NO/
1111 AM CST WED JAN 30 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT ROCKTON.
* UNTIL LATE THURSDAY NIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 1030 AM WEDNESDAY THE STAGE WAS 10.1 FEET. 
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 10.2 FEET BY THIS
  AFTERNOON. ICE JAMS MAY CAUSE RAPID FLUCTUATIONS IN WATER LEVELS.
* IMPACT...AT 10.0 FEET...WATER OVERFLOWS INTO LOW LYING AREAS NEAR 
  THE RIVER IN ROCKTON.

$$

ILC201-310511-
/O.EXT.KLOT.FL.W.0020.000000T0000Z-080201T0600Z/
/LATI2.2.IJ.080123T1018Z.080130T0115Z.080201T0000Z.UU/
1111 AM CST WED JAN 30 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT LATHAM PARK.
* UNTIL LATE THURSDAY NIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 1000 AM WEDNESDAY THE STAGE WAS 9.5 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...ICE JAMS MAY CAUSE RAPID FLUCTUATIONS IN WATER LEVELS. 
* IMPACT...AT 10.0 FEET...WATER AFFECTS LOW LYING BACK YARDS NEAR THE 
  RIVER.

$$

ILC141-310510-
/O.EXT.KLOT.FL.W.0021.000000T0000Z-080202T0000Z/
/BYRI2.1.ER.080131T0000Z.080131T1800Z.080201T1800Z.UU/
1111 AM CST WED JAN 30 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT BYRON.
* UNTIL FRIDAY EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT 1000 AM WEDNESDAY THE STAGE WAS 12.6 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS EVENING AND CONTINUE TO 
  RISE TO NEAR 13.2 FEET BY THURSDAY AFTERNOON. ICE JAMS MAY CAUSE
RAPID FLUCTUATIONS IN WATER LEVELS.
* IMPACT...AT 13.0 FEET...WATER APPROACHES HOUSES ALONG THE RIVER.

$$

WDM

000 
WGUS83 KLOT 310136
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
736 PM CST WED JAN 30 2008

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN ILLINOIS..
  ROCK RIVER AT ROCKTON AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY 

.THE COMBINATION OF RUNOFF FROM MELTING SNOW AND ICE JAMS CONTINUES
TO RESULT IN SOME FLOODING ALONG PORTIONS OF THE ROCK RIVER.  

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC201-311336-
/O.CON.KLOT.FL.W.0022.000000T0000Z-080201T0600Z/
/ROKI2.1.ER.080130T1541Z.080130T1830Z.080201T0000Z.NO/
736 PM CST WED JAN 30 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT ROCKTON.
* UNTIL LATE THURSDAY NIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 630 PM WEDNESDAY THE STAGE WAS 9.8 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...THE RIVER WILL FLUCTUATE NEAR 10.0 FEET    
  TONIGHT. ICE JAMS MAY CAUSE RAPID FLUCTUATIONS IN WATER LEVELS.
* IMPACT...AT 10.0 FEET...WATER OVERFLOWS INTO LOW LYING AREAS NEAR 
  THE RIVER IN ROCKTON.

$$

ILC201-311336-
/O.CON.KLOT.FL.W.0020.000000T0000Z-080201T0600Z/
/LATI2.2.IJ.080123T1018Z.080130T0115Z.080201T0000Z.UU/
736 PM CST WED JAN 30 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT LATHAM PARK.
* UNTIL LATE THURSDAY NIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 645 PM WEDNESDAY THE STAGE WAS 9.3 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...ICE JAMS MAY CAUSE RAPID FLUCTUATIONS IN WATER LEVELS. 
* IMPACT...AT 10.0 FEET...WATER AFFECTS LOW LYING BACK YARDS NEAR THE 
  RIVER.

$$

ILC141-311335-
/O.CON.KLOT.FL.W.0021.000000T0000Z-080202T0000Z/
/BYRI2.1.ER.080131T0600Z.080131T1800Z.080201T1800Z.UU/
736 PM CST WED JAN 30 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT BYRON.
* UNTIL FRIDAY EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT 645 PM WEDNESDAY THE STAGE WAS 12.1 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY THURSDAY AND CONTINUE TO
  RISE TO NEAR 13.2 FEET BY THURSDAY AFTERNOON. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY FRIDAY AFTERNOON.  ICE JAMS MAY CAUSE
  RAPID FLUCTUATIONS IN WATER LEVELS.
* IMPACT...AT 13.0 FEET...WATER APPROACHES HOUSES ALONG THE RIVER.

$$

000 
WGUS83 KLOT 311033
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
433 AM CST THU JAN 31 2008

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
ILLINOIS...
 
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN ILLINOIS..
  ROCK RIVER AT ROCKTON AFFECTING WINNEBAGO COUNTY 

.A COMBINATION OF RUNOFF FROM RECENT MELTING SNOW AND CONTINUING ICE 
JAMS CONTINUES TO RESULT IN SOME FLOODING ALONG PORTIONS OF THE ROCK 
RIVER.

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC201-312233-
/O.CON.KLOT.FL.W.0022.000000T0000Z-080201T0600Z/
/ROKI2.1.ER.080130T1541Z.080130T1830Z.080130T2140Z.NO/
433 AM CST THU JAN 31 2008

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT ROCKTON.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 330 AM THURSDAY THE STAGE WAS 9.8 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...THE RIVER IS EXPECTED TO FLUCTUATE NEAR THE 10.0 FOOT 
  FLOOD STAGE. ICE JAMS MAY CAUSE RAPID FLUCTUATIONS IN WATER LEVELS. 
* IMPACT...AT 10.0 FEET...WATER OVERFLOWS INTO LOW LYING AREAS NEAR 
  THE RIVER IN ROCKTON.

$$

ILC201-311103-
/O.CAN.KLOT.FL.W.0020.000000T0000Z-080201T0600Z/
/LATI2.2.IJ.080123T1018Z.080130T0115Z.080130T1145Z.UU/
433 AM CST THU JAN 31 2008

THE FLOOD WARNING IS CANCELLED FOR
  THE ROCK RIVER AT LATHAM PARK.
* AT 330 AM THURSDAY THE STAGE WAS 8.9 FEET. 
* FELL BELOW FLOOD STAGE AT  5:45 AM WEDNESDAY.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 9.4 FEET BY FRIDAY 
  MORNING. HOWEVER...ICE JAMS MAY CAUSE RAPID FLUCTUATIONS IN RIVER 
  LEVELS.

$$

ILC141-311103-
/O.CAN.KLOT.FL.W.0021.000000T0000Z-080202T0000Z/
/BYRI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
433 AM CST THU JAN 31 2008

THE FLOOD WARNING IS CANCELLED FOR
  THE ROCK RIVER AT BYRON.
* AT 330 AM THURSDAY THE STAGE WAS 11.8 FEET. 
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...THE RIVER IS EXPECTED TO CONTINUE TO FALL...THOUGH 
  THE RIVER MAY FLUCTUATE BETWEEN 11.5 FEET AND 12.5 FEET FOR THE 
  NEXT SEVERAL DAYS DUE TO ICE.
* IMPACT...AT 13.0 FEET...WATER APPROACHES HOUSES ALONG THE RIVER.

$$

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 28, 7:44 PM CST	River Flood Advisory	LOT	Bureau, LaSalle	27 hr
Jan 28, 9:41 PM CST	Winter Storm Warning	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	26 hr

Nearby

River Flood Warnings in Illinois, 2008 Every river flood warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.