MEDIAN FLOW RATE · 1 DAY
3.22cfs 54.6% vs avg
Optimal band: 3–4 cfs
PERIOD HIGH
3.51cfs
PERIOD LOW
2.95cfs
RUNNABLE
82%
last 1 day in band
Gauge Height
1.50ft
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
11.5in
-24% vs normal
11.46 in of precipitation so far this year, 24% below the 30-year normal of 15.08 in for this point in the season.
YTD Total
11.5in
This year so far
Normal to Date
15.1in
30-yr average
Typical Range
12.8–18.1in
10th–90th pct YTD
Departure
-24%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.56" · normal 1.27" (0.8–1.9)
Feb: 1.31" · normal 1.36" (0.5–2.3)
Mar: 2.56" · normal 1.91" (1.1–2.7)
Apr: 1.69" · normal 2.59" (1.6–3.4)
May: 1.89" · normal 3.32" (2.1–4.3)
Jun: 2.91" · normal 3.93" (2.0–5.8)
Jul: 0.55" (so far)· normal 2.11" (0.7–3.8)
Aug: normal 1.64" (0.7–2.6)
Sep: normal 1.79" (0.7–2.8)
Oct: normal 1.77" (0.8–2.6)
Nov: normal 1.72" (0.9–2.8)
Dec: normal 1.53" (0.8–2.4)
Baseline 1991–2020 · Source: Open-Meteo03:47 PM
Your History · Willow Creek nr Anaconda, MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
81°
52°
FRI
87°
57°
SAT
90°
59°
SUN
95°
58°
MON
94°
59°
TUE
92°
57°
WED
87°
58°
FISH INDEX
Temperature
Ideal
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:50 AM
SUNSET
09:23 PM
15H 33M OF DAYLIGHT
MOON PHASE
Waning Crescent
27% illuminated
Station Location
46.0645, -112.8935Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-09 15:00 UTC
Site #12323710·USGS
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