MEDIAN FLOW RATE · 7 DAY
33cfs 197.0% vs avg
Optimal band: 60–82 cfs
PERIOD HIGH
307cfs
PERIOD LOW
26cfs
RUNNABLE
13%
last 7 day in band
Gauge Height
3.29ft
Precipitation History
Your History · CALUMET UNION DRAINAGE CANAL NEAR MARKHAM, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
85°
67°
MON
94°
65°
TUE
97°
72°
WED
95°
76°
THU
88°
70°
FRI
83°
68°
SAT
81°
66°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:27 AM
SUNSET
08:25 PM
14H 58M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated
Station Location
41.5970, -87.6657Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #05536310·USGS
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