MEDIAN FLOW RATE · 7 DAY
14cfs 84.6% vs avg
Optimal band: 36–48 cfs
PERIOD HIGH
177cfs
PERIOD LOW
14cfs
RUNNABLE
13%
last 7 day in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
24.0in
+19% vs normal
23.99 in of precipitation so far this year, 19% above the 30-year normal of 20.13 in for this point in the season.
YTD Total
24.0in
This year so far
Normal to Date
20.1in
30-yr average
Typical Range
14.3–25.6in
10th–90th pct YTD
Departure
+19%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.45" · normal 2.19" (1.1–3.5)
Feb: 0.92" · normal 2.02" (0.7–3.4)
Mar: 5.01" · normal 2.69" (1.6–4.4)
Apr: 6.28" · normal 4.24" (2.6–6.5)
May: 2.09" · normal 4.60" (2.0–6.7)
Jun: 8.25" · normal 4.32" (1.9–6.7)
Jul: 0.00" (so far)· normal 3.87" (1.9–5.3)
Aug: normal 3.83" (1.7–5.4)
Sep: normal 3.05" (1.2–5.2)
Oct: normal 3.30" (1.5–6.6)
Nov: normal 2.56" (1.3–4.3)
Dec: normal 2.14" (1.0–3.6)
Baseline 1991–2020 · Source: Open-Meteo09:30 PM
Your History · LONG RUN NEAR LEMONT, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
94°
78°
THU
96°
77°
FRI
89°
72°
SAT
90°
73°
SUN
81°
66°
MON
84°
65°
TUE
83°
68°
FISH INDEX
Temperature
Too Hot
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:21 AM
SUNSET
08:30 PM
15H 9M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waning Gibbous
96% illuminated
Station Location
41.6426, -87.9994Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-01 22:46 UTC
Site #05537500·USGS
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