MEDIAN FLOW RATE · 1 YEAR
27cfs 6.1% vs avg
Optimal band: 15–21 cfs
PERIOD HIGH
580cfs
PERIOD LOW
11cfs
RUNNABLE
36%
last 1 year in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
23.7in
+19% vs normal
23.66 in of precipitation so far this year, 19% above the 30-year normal of 19.81 in for this point in the season.
YTD Total
23.7in
This year so far
Normal to Date
19.8in
30-yr average
Typical Range
13.2–24.3in
10th–90th pct YTD
Departure
+19%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.56" · normal 2.18" (1.1–3.5)
Feb: 0.89" · normal 2.00" (0.7–3.4)
Mar: 4.29" · normal 2.70" (1.6–4.4)
Apr: 7.85" · normal 4.24" (2.6–6.5)
May: 1.22" · normal 4.62" (2.0–6.7)
Jun: 7.86" (so far)· normal 4.34" (1.9–6.7)
Jul: normal 3.83" (1.9–5.2)
Aug: normal 3.81" (1.7–5.4)
Sep: normal 3.06" (1.2–5.2)
Oct: normal 3.28" (1.5–6.6)
Nov: normal 2.55" (1.3–4.3)
Dec: normal 2.14" (1.0 –3.6)
Baseline 1991–2020 · Source: Open-Meteo07:35 AM
Your History · FLAG CREEK NEAR WILLOW SPRINGS, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
64°
MON
95°
76°
TUE
95°
77°
WED
95°
77°
THU
95°
78°
FRI
94°
74°
SAT
97°
77°
FISH INDEX
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:19 AM
SUNSET
08:30 PM
15H 11M OF DAYLIGHT11H 31M REMAINING
MOON PHASE
Full Moon
97% illuminated
PEAK ACTIVITY
Station Location
41.7389, -87.8969Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 08:59 UTC
Site #05533000·USGS
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