MEDIAN FLOW RATE · 1 YEAR
2,056cfs 51.0% vs avg
Optimal band: 218–294 cfs
PERIOD HIGH
9,103cfs
PERIOD LOW
62cfs
RUNNABLE
10%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
18.1in
≈ normal
18.05 in of precipitation so far this year — about average for this point in the season (normal 20.39 in).
YTD Total
18.1in
This year so far
Normal to Date
20.4in
30-yr average
Typical Range
14.3–25.0in
10th–90th pct YTD
Departure
-11%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.15" · normal 2.50" (1.0–4.1)
Feb: 0.34" · normal 2.08" (0.8–3.2)
Mar: 3.45" · normal 3.10" (1.7–4.9)
Apr: 5.04" · normal 4.12" (2.5–6.6)
May: 1.20" · normal 4.48" (2.5–6.3)
Jun: 6.86" (so far)· normal 4.24" (2.1–6.2)
Jul: normal 3.70" (2.1–5.6)
Aug: normal 3.38" (1.9–5.7)
Sep: normal 2.99" (1.1–5.3)
Oct: normal 3.19" (1.6–6.2)
Nov: normal 2.90" (1.7–4.7)
Dec: normal 2.26" (1.4–3.7)
Baseline 1991–2020 · Source: Open-Meteo02:35 PM
Your History · IROQUOIS RIVER NEAR CHEBANSE, IL
Track your history
Sign in to track your sessions at IROQUOIS RIVER NEAR CHEBANSE, IL — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
90°
75°
TUE
93°
75°
WED
91°
74°
THU
90°
76°
FRI
89°
74°
SAT
91°
72°
SUN
88°
68°
FISH INDEX
Temperature
Too Hot
Wind
Moderate
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:22 AM
SUNSET
08:27 PM
15H 5M OF DAYLIGHT4H 45M REMAINING
MOON PHASE
Full Moon
100% illuminated
PEAK ACTIVITY
Station Location
41.0092, -87.8241Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 15:42 UTC
Site #05526000·USGS
Create a free account to save favorites, set flow alerts, and track conditions