MEDIAN FLOW RATE · 1 DAY
11,400cfs 48.7% vs avg
Optimal band: 9,690–13,110 cfs
PERIOD HIGH
11,500cfs
PERIOD LOW
11,200cfs
RUNNABLE
100%
last 1 day in band
Gauge Height
3.27ft
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
7.9in
-20% vs normal
7.88 in of precipitation so far this year, 20% below the 30-year normal of 9.81 in for this point in the season.
YTD Total
7.9in
This year so far
Normal to Date
9.8in
30-yr average
Typical Range
6.9–12.6in
10th–90th pct YTD
Departure
-20%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.56" · normal 0.69" (0.3–1.1)
Feb: 0.76" · normal 0.65" (0.3–1.0)
Mar: 1.50" · normal 1.08" (0.4–1.9)
Apr: 1.47" · normal 2.03" (0.9–3.4)
May: 1.33" · normal 2.76" (0.9–5.6)
Jun: 1.98" · normal 2.04" (0.9–3.2)
Jul: 0.29" (so far)· normal 1.30" (0.2–2.3)
Aug: normal 1.07" (0.2–2.1)
Sep: normal 1.29" (0.3–2.5)
Oct: normal 1.46" (0.6–2.5)
Nov: normal 0.74" (0.2–1.3)
Dec: normal 0.61" (0.2–1.3)
Baseline 1991–2020 · Source: Open-Meteo02:19 PM
Your History · Yellowstone River at Forsyth MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
94°
64°
FRI
102°
65°
SAT
109°
70°
SUN
115°
76°
MON
102°
76°
TUE
111°
77°
WED
100°
74°
FISH INDEX
Temperature
Too Hot
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:24 AM
SUNSET
08:59 PM
15H 35M OF DAYLIGHT
MOON PHASE
Waning Crescent
24% illuminated
Station Location
46.2666, -106.6913Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-09 23:45 UTC
Site #06295000·USGS
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