MEDIAN FLOW RATE · 30 DAY
2,304cfs 56.4% vs avg
Optimal band: 1,245–1,685 cfs
PERIOD HIGH
3,805cfs
PERIOD LOW
778cfs
RUNNABLE
13%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
11.5in
≈ normal
11.46 in of precipitation so far this year — about average for this point in the season (normal 10.07 in).
YTD Total
11.5in
This year so far
Normal to Date
10.1in
30-yr average
Typical Range
8.0–12.6in
10th–90th pct YTD
Departure
+14%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.44" · normal 0.76" (0.4–1.1)
Feb: 1.23" · normal 0.83" (0.3–1.5)
Mar: 2.71" · normal 1.13" (0.6–1.7)
Apr: 2.52" · normal 1.99" (1.3–2.8)
May: 1.63" · normal 2.68" (1.3–3.8)
Jun: 2.93" (so far)· normal 2.72" (1.3–4.3)
Jul: normal 1.08" (0.4–2.2)
Aug: normal 0.89" (0.3–1.8)
Sep: normal 1.26" (0.5–2.1)
Oct: normal 1.34" (0.6–2.3)
Nov: normal 1.14" (0.5–2.0)
Dec: normal 0.96" (0.5–1.5)
Baseline 1991–2020 · Source: Open-Meteo04:35 PM
Your History · Jefferson River near Twin Bridges MT
Track your history
Sign in to track your sessions at Jefferson River near Twin Bridges MT — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
55°
45°
TUE
68°
47°
WED
75°
49°
THU
77°
48°
FRI
80°
54°
SAT
84°
52°
SUN
89°
55°
FISH INDEX
Temperature
Cool
Wind
Moderate
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:43 AM
SUNSET
09:22 PM
15H 39M OF DAYLIGHT3H 47M REMAINING
MOON PHASE
Full Moon
100% illuminated
PEAK ACTIVITY
Station Location
45.6133, -112.3294Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 17:35 UTC
Site #06026500·USGS
Create a free account to save favorites, set flow alerts, and track conditions
