MEDIAN FLOW RATE · 7 DAY
106cfs 63.1% vs avg
Optimal band: 93–125 cfs
PERIOD HIGH
131cfs
PERIOD LOW
88cfs
RUNNABLE
75%
last 7 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
16.9in
≈ normal
16.92 in of precipitation so far this year — about average for this point in the season (normal 14.8 in).
YTD Total
16.9in
This year so far
Normal to Date
14.8in
30-yr average
Typical Range
0.0–25.1in
10th–90th pct YTD
Departure
+14%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.22" · normal 3.20" (0.0–5.7)
Feb: 3.01" · normal 2.57" (0.0–5.0)
Mar: 4.45" · normal 3.06" (0.0–6.5)
Apr: 2.73" · normal 2.22" (0.0–4.5)
May: 1.54" · normal 1.87" (0.0–3.6)
Jun: 1.97" · normal 1.85" (0.0–3.8)
Jul: 0.00" (so far)· normal 0.74" (0.0–1.8)
Aug: normal 0.78" (0.0–2.1)
Sep: normal 1.30" (0.0–3.3)
Oct: normal 3.08" (0.0–5.8)
Nov: normal 3.85" (0.0–7.2)
Dec: normal 3.84" (0.0–7.0)
Baseline 1991–2020 · Source: Open-Meteo09:21 AM
Your History · LIGHTNING CREEK AT CLARK FORK ID
Track your history
Sign in to track your sessions at LIGHTNING CREEK AT CLARK FORK ID — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
73°
51°
THU
77°
55°
FRI
80°
54°
SAT
80°
53°
SUN
82°
50°
MON
95°
58°
TUE
91°
65°
FISH INDEX
Temperature
Cool
Wind
Light
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
04:48 AM
SUNSET
08:48 PM
16H 0M OF DAYLIGHT10H 19M REMAINING
MOON PHASE
Full Moon
98% illuminated
PEAK ACTIVITY
Station Location
48.1517, -116.1817Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-01 10:29 UTC
Site #12392155·USGS
Create a free account to save favorites, set flow alerts, and track conditions
