MEDIAN FLOW RATE · 1 YEAR
3,470cfs 26.5% vs avg
Optimal band: 2,746–3,716 cfs
PERIOD HIGH
4,875cfs
PERIOD LOW
2,805cfs
RUNNABLE
96%
last 1 year in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
11.9in
+26% vs normal
11.95 in of precipitation so far this year, 26% above the 30-year normal of 9.47 in for this point in the season.
YTD Total
11.9in
This year so far
Normal to Date
9.5in
30-yr average
Typical Range
7.7–12.0in
10th–90th pct YTD
Departure
+26%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.98" · normal 0.78" (0.3 –1.2)
Feb: 1.15" · normal 0.77" (0.2–1.4)
Mar: 1.89" · normal 1.06" (0.6–1.7)
Apr: 1.85" · normal 1.89" (1.2–2.6)
May: 2.40" · normal 2.21" (1.3–3.5)
Jun: 3.56" · normal 2.57" (1.1–4.6)
Jul: 0.12" (so far)· normal 0.96" (0.2–1.9)
Aug: normal 0.90" (0.3–1.8)
Sep: normal 1.20" (0.3–1.9)
Oct: normal 1.17" (0.5–2.1)
Nov: normal 0.94" (0.3–1.6)
Dec: normal 0.90" (0.4–1.6)
Baseline 1991–2020 · Source: Open-Meteo12:01 AM
Your History · Missouri River bl Hauser Dam near Helena MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
78°
51°
FRI
81°
57°
SAT
88°
60°
SUN
91°
57°
MON
76°
56°
TUE
87°
58°
WED
93°
59°
FISH INDEX
Temperature
Warm
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:38 AM
SUNSET
09:24 PM
15H 46M OF DAYLIGHT20H 7M REMAINING
MOON PHASE
Waning Gibbous
90% illuminated
Station Location
46.7662, -111.8888Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 01:17 UTC
Site #06065500·USGS
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