MEDIAN FLOW RATE · 7 DAY
18cfs 1.8% vs avg
Optimal band: 14–18 cfs
PERIOD HIGH
18cfs
PERIOD LOW
16cfs
RUNNABLE
100%
last 7 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
8.2in
-32% vs normal
8.2 in of precipitation so far this year, 32% below the 30-year normal of 12.06 in for this point in the season.
YTD Total
8.2in
This year so far
Normal to Date
12.1in
30-yr average
Typical Range
8.7–15.8in
10th–90th pct YTD
Departure
-32%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.11" · normal 2.22" (1.0–3.7)
Feb: 2.30" · normal 1.82" (0.9–3.0)
Mar: 1.09" · normal 2.28" (1.3–3.4)
Apr: 2.18" · normal 2.15" (1.0–3.0)
May: 0.94" · normal 2.10" (0.9–3.6)
Jun: 0.49" · normal 1.37" (0.7–2.0)
Jul: 0.09" (so far)· normal 0.40" (0.0–1.0)
Aug: normal 0.40" (0.0–0.8)
Sep: normal 0.65" (0.0–1.1)
Oct: normal 1.63" (0.8–2.5)
Nov: normal 2.30" (1.2–3.7)
Dec: normal 2.49" (1.3–3.6)
Baseline 1991–2020 · Source: Open-Meteo03:45 PM
Your History · WILLOW CREEK AT HEPPNER, OR
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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
56°
FRI
85°
59°
SAT
84°
59°
SUN
84°
62°
MON
92°
63°
TUE
96°
75°
WED
89°
65°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Falling — Active
Moon Phase
Average
DAYLIGHT
SUNRISE
05:19 AM
SUNSET
08:47 PM
15H 28M OF DAYLIGHT
MOON PHASE
Waning Crescent
26% illuminated
Station Location
45.3504, -119.5500Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC
Site #14034500·USGS
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