MEDIAN FLOW RATE · 1 YEAR
74,719cfs 6.9% vs avg
Optimal band: 83,014–112,312 cfs
PERIOD HIGH
309,250cfs
PERIOD LOW
22,689cfs
RUNNABLE
24%
last 1 year in band
Precipitation History
Your History · Mississippi River at Grafton, IL
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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
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