MEDIAN FLOW RATE · 30 DAY
409cfs 79.4% vs avg
Optimal band: 198–268 cfs
PERIOD HIGH
430cfs
PERIOD LOW
109cfs
RUNNABLE
65%
last 30 day in band
Gauge Height
4.08ft
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
10.6in
≈ normal
10.64 in of precipitation so far this year — about average for this point in the season (normal 12.09 in).
YTD Total
10.6in
This year so far
Normal to Date
12.1in
30-yr average
Typical Range
9.5–14.3in
10th–90th pct YTD
Departure
-12%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.28" · normal 0.87" (0.5–1.4)
Feb: 0.73" · normal 0.93" (0.3–1.4)
Mar: 1.62" · normal 1.43" (0.8–2.1)
Apr: 2.18" · normal 2.53" (1.6–3.6)
May: 2.84" · normal 2.98" (1.7–4.1)
Jun: 2.75" · normal 2.87" (1.5–4.5)
Jul: 0.24" (so far)· normal 1.03" (0.3–2.4)
Aug: normal 0.97" (0.3–2.0)
Sep: normal 1.52" (0.5–2.6)
Oct: normal 1.76" (0.8–2.8)
Nov: normal 1.31" (0.7–2.4)
Dec: normal 1.10" (0.6–1.8)
Baseline 1991–2020 · Source: Open-Meteo05:58 UTC
Your History · Madison River ab powerplant nr McAllister MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
100°
57°
MON
95°
69°
TUE
92°
65°
WED
87°
61°
THU
90°
63°
FRI
91°
62°
SAT
96°
66°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:50 AM
SUNSET
09:14 PM
15H 24M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated
Station Location
45.4866, -111.6339Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #06040800·USGS
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