MEDIAN FLOW RATE · 1 YEAR
9cfs
Optimal band: 3–5 cfs
PERIOD HIGH
381cfs
PERIOD LOW
1cfs
RUNNABLE
18%
last 1 year in band
Precipitation History
Your History · BLACK SLOUGH AT CR 500N NR PHILO, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
79°
58°
THU
81°
65°
FRI
71°
65°
SAT
81°
63°
SUN
88°
69°
MON
90°
75°
TUE
92°
75°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:25 AM
SUNSET
08:25 PM
15H 0M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waxing Gibbous
73% illuminated
Station Location
39.9526, -88.1692Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-24 21:18 UTC
Site #03343350·USGS
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