MEDIAN FLOW RATE · 1 DAY
60,400cfs 61.4% vs avg
Optimal band: 65,705–88,895 cfs
PERIOD HIGH
91,900cfs
PERIOD LOW
53,100cfs
RUNNABLE
65%
last 1 day in band
Gauge Height
15.34ft
Precipitation History
Your History · Mississippi River at Grafton, IL
Track your history
Sign in to track your sessions at Mississippi River at Grafton, IL — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
98°
76°
FRI
99°
77°
SAT
95°
76°
SUN
87°
69°
MON
88°
71°
TUE
86°
65°
WED
88°
68°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:40 AM
SUNSET
08:31 PM
14H 51M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waning Gibbous
90% illuminated
Station Location
38.9680, -90.4290Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 23:57 UTC
Site #05587450·USGS
Create a free account to save favorites, set flow alerts, and track conditions
