Colorado
Blue River below Dillon
Current River Rating
Poor · 42
Conditions are unfavorable based on the available readings.
Scores are model-specific and are not directly comparable across water types.
Partial water evidence · Medium confidence
Should I Go?
Wait
Limited opportunity
Timing Outlook
No reliable fishing window is recommended while current river conditions remain Poor.
Why
- Water temperature is unfavorable for trout fishing.
Favorable Factors
- Recent precipitation has been light.
- Light wind should make casting and boat control easier.
- Air temperature is comfortable for a river trout trip.
Cautions
- Very clear skies may make trout more cautious in shallow water.
Current Readings
- Flow
- 53.9 CFS
- Gage Height
- 0.86 ft
- Water Temperature
- 42.8 °F
- Observation Time
- Sep 5, 2026, 7:15 AM
Updated recently · USGS station 09050700 · Direct monitoring location
Readings from past 7 Days
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Historical readings are provided for context. Readings outside the current freshness window are not used to rate current conditions.
Better Nearby Options
Checking nearby StrikeTracks waters…
Preliminary guidance only. Always assess current weather, access, water depth, current speed, and your own ability before entering the river.
Changing Conditions Advisory
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Weather Near Gauge
Current Weather
Clear
Temperature
54°F
Feels like
48°F
Wind
3 mph SE
Wind gust
3 mph
Current precipitation
0.00 in
Updated
Sep 5, 2026, 1:45 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this river.
Next 24 Hours
Sat 2 AM
Clear
Temp 54°F
Chance 0%
Precip 0.00 in
Wind 3 mph
Sat 6 AM
Clear
Temp 50°F
Chance 0%
Precip 0.00 in
Wind 3 mph
Sat 10 AM
Overcast
Temp 66°F
Chance 0%
Precip 0.00 in
Wind 2 mph
Sat 2 PM
Partly cloudy
Temp 77°F
Chance 1%
Precip 0.00 in
Wind 2 mph
Sat 6 PM
Overcast
Temp 75°F
Chance 4%
Precip 0.00 in
Wind 9 mph
Sat 10 PM
Overcast
Temp 64°F
Chance 6%
Precip 0.00 in
Wind 2 mph
Four-Day Forecast
Sat, Sep 5
Overcast
High 79°F / Low 49°F
Chance 6%
Precip 0.00 in
Max gust 15 mph
Sun, Sep 6
Drizzle
High 79°F / Low 51°F
Chance 12%
Precip 0.01 in
Max gust 16 mph
Mon, Sep 7
Drizzle
High 69°F / Low 50°F
Chance 31%
Precip 0.03 in
Max gust 20 mph
Tue, Sep 8
Overcast
High 76°F / Low 46°F
Chance 27%
Precip 0.00 in
Max gust 18 mph
Weather and rainfall are estimated for this river's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence river flow, but the timing and magnitude depend on watershed size, soil conditions, upstream reservoirs, and dam releases.
Weather data: Open-Meteo
Historical Flow
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Fishing Overview
Bounded Blue River Gold Medal tailwater below Dillon Dam at Silverthorne. USGS 09050700 is the at-location monitoring identity. Coordinates are the USGS monitoring-location point. Not Blue River above Dillon Reservoir and not the Green Mountain Dam Gold Medal segment.
Fishery Profile
Documented species you may encounter at Blue River.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Fishery overview
The Blue River below Dillon is the Silverthorne / Dillon Dam Gold Medal tailwater. StrikeTracks publishes Monitoring-Backed conditions from USGS 09050700 (live discharge and water temperature). Distinct from Blue below Green Mountain Reservoir. Flow Context remains default-deny. Hatch Match remains unpublished for this identity after Option-B local-expert seasonal research. No two independent month-level sources both bound to Blue below Dillon / Silverthorne without hydrology or hatch-rich vs hatch-poor conflict.
Target species

Brown Trout
Salmo trutta
- Expectation
- Primary
- Population
- Wild
- Native status
- introduced
- Confidence
- High confidence
CPW 2026 Gold Medal Water (trout standing-stock criteria in the 2026 Colorado Fishing Brochure). Blue River from Dillon Dam to Hamilton Creek Road.
Source: Colorado Parks and Wildlife

Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Primary
- Population
- Unknown
- Native status
- introduced
- Confidence
- High confidence
CPW 2026 Gold Medal Water (trout standing-stock criteria in the 2026 Colorado Fishing Brochure). Blue River from Dillon Dam to Hamilton Creek Road.
Source: Colorado Parks and Wildlife
Fishery characteristics
- Composition
- Wild
- Great Lakes tributary
- No
- Flow regime
- Mixed flow regime
Regulated tailwater immediately below Dillon Dam through Silverthorne, inside the CPW Gold Medal to Hamilton Creek Road.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Dry flies
- Fly fishing
- Nymphing
- Spinning
- Streamers
Access and Public Fishing Rights
Public Gold Medal fishing is documented by CPW. Town infrastructure, Denver Water, and USFS/CPW postings control exact access. Catalog coordinates are the USGS point, not a launch pin.
Stocking information
Confirm current official CPW stocking. Gold Medal criteria are not a live stocking claim.
Official sources
Verify current CPW Blue River Basin special regulations and Gold Medal limits in the 2026 Colorado Fishing Brochure.
Hatch Match
General fly suggestions
- Parachute-style dryGeneral attractor dry family — not a claim that a named mayfly is hatching.
- Pheasant-tail-style nymphGeneral nymph family for trout rivers without destination hatch timing.
- Elk-hair-style dryGeneral dry/attractor family. Pattern choice only — not a report that caddis are hatching.
- Woolly-bugger-style streamerGeneral streamer family. Not a forage or insect Hatch event.
These are general fishing suggestions, not a report of insects currently hatching at this destination.
Location and Access
USGS monitoring location
Summit, Colorado
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
River Details
County
Summit
Management Category
Gold Medal tailwater
Regulation Scope
Blue River Gold Medal from Dillon Dam to Hamilton Creek Road
Regulation Summary
CPW Gold Medal Blue River below Dillon Dam. Confirm current Blue River Basin special regulations.
Target Species
Brown Trout, Rainbow Trout
Access, Parking, and Regulations
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