MEDIAN FLOW RATE · 1 YEAR
1,223cfs 45.7% vs avg
Optimal band: 43–59 cfs
PERIOD HIGH
13,616cfs
PERIOD LOW
7cfs
RUNNABLE
6%
last 1 year in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
25.4in
+21% vs normal
25.43 in of precipitation so far this year, 21% above the 30-year normal of 20.99 in for this point in the season.
YTD Total
25.4in
This year so far
Normal to Date
21.0in
30-yr average
Typical Range
15.5–26.2in
10th–90th pct YTD
Departure
+21%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.50" · normal 2.11" (1.0–3.3)
Feb: 0.34" · normal 1.99" (0.7–3.3)
Mar: 5.76" · normal 2.76" (1.5–4.1)
Apr: 5.90" · normal 4.13" (2.8–6.1)
May: 1.66" · normal 4.68" (2.0–7.3)
Jun: 7.81" · normal 4.27" (1.8–7.1)
Jul: 2.46" (so far)· normal 3.83" (1.6–5.9)
Aug: normal 3.43" (1.4–5.7)
Sep: normal 3.04" (1.3–5.4)
Oct: normal 3.00" (1.4–6.0)
Nov: normal 2.59" (1.4–4.6)
Dec: normal 2.16" (1.1–3.9)
Baseline 1991–2020 · Source: Open-Meteo10:32 PM
Your History · VERMILION RIVER NEAR LEONORE, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
88 °
64°
THU
89°
71°
FRI
84°
70°
SAT
81°
67°
SUN
84°
64°
MON
83°
65°
TUE
84°
65°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:30 AM
SUNSET
08:30 PM
15H 0M OF DAYLIGHT
MOON PHASE
Last Quarter
32% illuminated
Station Location
41.2083, -88.9306Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC
Site #05555300·USGS
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