THIS HYDROLOGIC OUTLOOK INCLUDES THE FOLLOWING RIVERS: ILLINOIS
RIVER.
FOR THE UPPER ILLINOIS RIVER...INCLUDING LA SALLE...MINOR FLOODING IS
POSSIBLE.
THE FOLLOWING FLOOD FORECAST IS BASED PRIMARILY ON EXPECTED RAINFALL
OVER THE NEXT 36 HOURS. THIS RAINFALL...COMBINED WITH SNOWMELT
RUNOFF...COULD LEAD TO SIGNIFICANT RISES ON THE ILLINOIS RIVER.
FOR THE ILLINOIS RIVER AT LA SALLE, THE LATEST STAGE IS 12.7 FEET AT
12 PM SATURDAY. FLOOD STAGE IS 20.0 FEET. BANKFULL STAGE IS 17.5
FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND 20.0 FEET
TUESDAY MORNING...WHICH IS EQUAL TO THE FLOOD STAGE.
