Spring Creek · Mixed · Idaho, US

Teton River

Teton river in South East Idaho
Today · About as good as it gets
Pink Shrimp
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
Pink Shrimp
Pink Shrimp
Conditions on the water · Today
Live gauge
Level
Falling
0.69 m
Dropping after lift
Water temp8.0°C
ClarityClearing
Weather7°C
WindN 8 km/h
Pressure1028 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 Cutthroat Trout
Cool — slow
8°C est.ideal 9–15°C
0°14°28°
How to fish it · for Cutthroat 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
Good — water clarity is right today, though insect activity could be better.
Likely species
Mayflies
Chironomids
Hatch timeline · todayPeak at 11h

12h(now) — Western Blue-Winged Olive

Stage: On emergersApproach: Emerger or dryActivity: 53%
Also:Black Midge47%
Peak emergence window4 food groups active

Peak activity at 11h — Western Blue-Winged Olive (Western Blue-Winged Olive, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

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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 · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Western Blue-Winged OliveHatch
2
3
3
3
3
3
3
3
2
Pale Morning DunHatch
2
3
3
2
TricoHatch
2
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2

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

Ranked for today
Fly box · Cutthroat Trout
Permits & access
Permit required — see local rules.
  • Idaho licence
  • Native cutthroat conservation rules apply — check Idaho Fish & Game
  • Approach the clear meadow water carefully.
What's coming
Plan ahead
5-day outlook
Other water nearby · 4
Fall River
29 km
76
Rainbow trout · Cutthroat trout
Warm River
37 km
Rainbow trout · Brook trout
South Fork Snake River
42 km
81
Cutthroat trout · Brown trout · Rainbow trout
Snake River
54 km
79
Cutthroat trout
Gallery · 2
  1. Teton river in South East Idaho
  2. Terrain map of the venue
    Terrain map
Water quality · US Clean Water Act
  • Aquatic life: Impaired
What this classification means

EPA ATTAINS assessment unit 'Teton River' (ID17040204SK017_04), 2022 Integrated Report. Aquatic Life use: Not Supporting. Listed impairment causes: Temperature, Sediment, Habitat Alterations. This is a Clean Water Act assessment-unit classification (the US analogue of WFD), not a live reading.

Status is for the Clean Water Act assessment unit covering this reach.

EPA ATTAINS (Clean Water Act) · ID17040204SK017_04

The full read · show the working · for Cutthroat Trout · confidence 75%
How the 74 is built — score × weight = contribution
Temperature75 × 28%21.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time70 × 13%9.1
Pressure75 × 7%5.3
Insect activity50 × 12%6.0
Conditions total= 74
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout Saturday de Memorial Day weekend → 30 November
Related guides
Euro Nymphingsubsurface methods
Booking & contacts