MEDIAN FLOW RATE · 30 DAY
17cfs 86.7% vs avg
Optimal band: 34–46 cfs
PERIOD HIGH
583cfs
PERIOD LOW
16cfs
RUNNABLE
16%
last 30 day in band
Gauge Height
3.31ft
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
26.8in
+24% vs normal
26.75 in of precipitation so far this year, 24% above the 30-year normal of 21.63 in for this point in the season.
YTD Total
26.8in
This year so far
Normal to Date
21.6in
30-yr average
Typical Range
15.4–27.5in
10th–90th pct YTD
Departure
+24%
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: 8.17" · normal 4.34" (1.9–6.7)
Jul: 2.78" (so far)· 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-Meteo15:13 UTC
Your History · FLAG CREEK NEAR WILLOW SPRINGS, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
95°
67°
TUE
98°
71°
WED
94°
74°
THU
95°
76°
FRI
92°
72°
SAT
87°
70°
SUN
83°
67°
FISH INDEX
Temperature
Too Hot
Wind
Calm
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:28 AM
SUNSET
08:25 PM
14H 57M OF DAYLIGHT
MOON PHASE
New Moon
1% illuminated
PEAK ACTIVITY
Station Location
41.7389, -87.8969Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #05533000·USGS
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