MEDIAN FLOW RATE · 1 YEAR
18cfs 37.2% vs avg
Optimal band: 4–6 cfs
PERIOD HIGH
311cfs
PERIOD LOW
1cfs
RUNNABLE
21%
last 1 year in band
Precipitation History
Your History · NORTH BRANCH CHICAGO RIVER AT DEERFIELD, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
91°
70°
SAT
82°
66°
SUN
79°
65°
MON
72°
66°
TUE
74°
65°
WED
82°
66°
THU
76°
69°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:20 AM
SUNSET
08:30 PM
15H 10M OF DAYLIGHT2H 4M REMAINING
MOON PHASE
Waning Gibbous
85% illuminated
Station Location
42.1526, -87.8184Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 18:26 UTC
Site #05534500·USGS
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