MEDIAN FLOW RATE · 1 YEAR
3cfs 54.4% vs avg
Optimal band: 12–16 cfs
PERIOD HIGH
169cfs
PERIOD LOW
1cfs
RUNNABLE
16%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
9.8in
≈ normal
9.75 in of precipitation so far this year — about average for this point in the season (normal 9.17 in).
YTD Total
9.8in
This year so far
Normal to Date
9.2in
30-yr average
Typical Range
6.7–12.2in
10th–90th pct YTD
Departure
+6%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.95" · normal 0.67" (0.3–1.1)
Feb: 0.92" · normal 0.58" (0.2–0.9)
Mar: 2.09" · normal 0.94" (0.5–1.4)
Apr: 1.78" · normal 1.99" (0.9–2.9)
May: 1.58" · normal 2.67" (1.1–4.3)
Jun: 2.43" (so far)· normal 2.48" (1.3–3.7)
Jul: normal 1.12" (0.3–1.8)
Aug: normal 1.08" (0.2–2.3)
Sep: normal 1.15" (0.3–2.1)
Oct: normal 1.24" (0.5–1.9)
Nov: normal 0.71" (0.2–1.3)
Dec: normal 0.68" (0.2–1.3)
Baseline 1991–2020 · Source: Open-Meteo07:59 AM
Your History · Flatwillow Creek near Mosby MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
63°
55°
MON
65°
51°
TUE
75°
53°
WED
87°
60°
THU
86°
62°
FRI
88°
65°
SAT
88°
61°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:19 AM
SUNSET
09:10 PM
15H 51M OF DAYLIGHT11H 42M REMAINING
MOON PHASE
Full Moon
97% illuminated
PEAK ACTIVITY
Station Location
46.9287, -107.9328Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 09:28 UTC
Site #06130000·USGS
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