Freestone · Volcanic · British Columbia, CA

Similkameen River

Similkameen river in fall
Today · About as good as it gets
Pheasant Tail
Forecast · Today
About as good as it gets
On the feed top to bottom — start on the rises with a dry, drop a nymph if they stay down.
90% projected
Today's fly
Pheasant Tail
Pheasant Tail
Conditions on the water · Today
Live gauge
Level
Steady
0.49 m
Water temp11.2°C
ClarityClear
Weather11°C
WindN 5 km/h
Pressure1015 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Rainbow Trout
Ideal
11°C est.ideal 10–18°C
0°14°28°
How to fish it · for Rainbow Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Excellent — water temperature is right today, though time of day could be better.
Likely species
Mayflies
Caddisflies
Hatch timeline · todayPeak at 12h

12h(now) — Mahogany Dun

Stage: On emergersApproach: Emerger or dryActivity: 95%
Also:Reed Smut38%
Peak emergence windowDegree-days at peak6 food groups active

Peak activity at 12h — Mahogany Dun (Mahogany Dun, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 as a supporter.

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
Brown DunHatch
2
3
3
3
3
3
3
2
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2
Mahogany DunHatch
2
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Fly box · Rainbow Trout
SD
Sex Dungeon
2-6 · Pattern
Proven pattern for this period
Permits & access
Permit required — see local rules.
  • Gear/harvest rules; warm-water advisories possible
  • Verify current BC regs (Region 8).
What's coming
Plan ahead
5-day outlook
Other water nearby · 1
Skagit River (BC)
44 km
82
Rainbow trout · Bull trout
Gallery · 2
  1. Similkameen river in fall
    Similkameen River
  2. Terrain map of the venue
    Terrain map
Conservation note

Wild rainbow trout. Warmer interior river — fish the cool of the day in high summer for fish welfare. Clean-Drain-Dry.

The full read · show the working · for Rainbow Trout · confidence 75%
How the 80 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time50 × 13%6.5
Pressure75 × 7%5.3
Insect activity65 × 12%7.8
Conditions total= 81
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 June → 31 October
Related guides
Euro Nymphingsubsurface methods
Booking & contacts