Fishing Conditions: GOOD

Report Rating: GOOD
Crowd Rating: Overcrowded
Overcrowded

Fly Fishing Report Date:

Sunday, May 3, 2020

Weather & Water Conditions

Weather Water
Temp: 56-59 Temp: 52-55
Sky: Clear Flow: 100
Wind: Gusting Clarity: Crystal Clear
Precip: None Runoff: No 

Colorado Stream Update: Crowded!

Current Conditions at Blue River Below Dillon:

The Blue in Silverthorne is fishing and has nice flows right now. However, we are seeing large crowds so use you best judgement when it comes to overcrowding. Small flies and tippet are the name of the game. Mysis, Beatis, and midges will be your go-to flies. Keep those flies smaller than a size 18 for best results.

The fishing is good.  Clear skies and 56-59 degree weather. The water temperature was between 52-55 degrees and Crystal Clear.

Angling University: Up your game.
The Flyfisher Guide Service
The Colorado Trout Fisher Guide Service
Colorado Fly Fishing Trips with
Colorado Trout Fisher
Denver and Boulder Fly Fishing Guides
Colorado Trout Fisher logo

BOOK A TRIP

Trip Includes:
  • Flies and fishing tackle
  • Rods/reels
  • Waders
  • Lunch
  • Transportation
$225 for 1 or 2 people
$295 for 3 people
Angling University: Anyone can learn to fish.
The Flyfisher Guide Service: Get out and fish.

Likely Catch

Species: Rainbow
Weight: 2 lbs 5 oz
Length: 18 inches
Girth: 8 inches
Rainbow Trout Female Rainbow Trout Female
Rainbow Trout Male Rainbow Trout Male

Current Insect Hatches at Blue River Below Dillon

Insect Type: Mayfly

Insect: Blue Winged Olive

Color:

Size:

Time:

Blue Winged Olive Emerger Illustration
Blue Winged Olive Nymph Illustration
Blue Winged Olive Adult Illustration

Recommended Flies for Blue River Below Dillon

Fly: Mysis Shrimp
Color: 
Size: 
Time: 
Mysis Shrimp Mysis Shrimp
Fly: Rojo Midge
Color: 
Size: 
Time: 
Rojo Midge Rojo Midge
Fly: Tungsten Zebra Midge
Color: 
Size: 
Time: 
Tungsten Zebra Midge Tungsten Zebra Midge

Colorado Hatch Conditions for Early August

Caddisflies
Insects: Green Sedge
Color: Olive to Gray Brown
Dates: Jul 15 – Sep 30
Emergence: Morning & Afternoon
Size: 12-14
Spinner Fall: NA
Green Sedge Larva illustration
Green Sedge Emerger illustration
Green Sedge Adult illustration
Illustrations © The Flyfisher Group 
Insects: Little Black Sedge
Color: Chocolate to Black
Dates: Jul 15 – Sep 30
Emergence: Sporadic
Size: 16-18
Spinner Fall: NA
Little Black Sedge Larva illustration
Little Black Sedge Emerger illustration
Little Black Sedge Adult illustration
Illustrations © The Flyfisher Group 
Insects: Little Plain Brown Sedge
Color: Brown to Chocolate
Dates: Jun 15 – Aug 30
Emergence: Sporadic
Size: 14-16
Spinner Fall: NA
Little Plain Brown Sedge Larva illustration
Little Plain Brown Sedge Emerger illustration
Little Plain Brown Sedge Adult illustration
Illustrations © The Flyfisher Group 
Insects: Little Sister Sedge
Color: Green to Greenish Brown
Dates: May 15 – Aug 30
Emergence: Afternoon & Evening
Size: 14-16
Spinner Fall: NA
Little Sister Sedge Larva illustration
Little Sister Sedge Emerger illustration
Little Sister Sedge Adult illustration
Illustrations © The Flyfisher Group 
Insects: Little Tan Short Horn Sedge
Color: Dark Brown to Yellow
Dates: Mar 1 – Aug 30
Emergence: Sporadic
Size: 14-16
Spinner Fall: NA
Little Tan Short Horn Sedge Larva illustration
Little Tan Short Horn Sedge Emerger illustration
Little Tan Short Horn Sedge Adult illustration
Illustrations © The Flyfisher Group 
Insects: Little Western Dark Sedge
Color: Dark Brown
Dates: Jun 1 – Aug 15
Emergence: Mid Day
Size: 16-18
Spinner Fall: NA
Little Western Dark Sedge Larva illustration
Little Western Dark Sedge Emerger illustration
Little Western Dark Sedge Adult illustration
Illustrations © The Flyfisher Group 
Insects: Micro Caddis
Color: Yellow, Orange or Brown
Dates: Jun 15 – Oct 15
Emergence: Sporadic
Size: 20-22
Spinner Fall: NA
Micro Caddis Larva illustration
Micro Caddis Emerger illustration
Micro Caddis Adult illustration
Illustrations © The Flyfisher Group 
Insects: Spotted Sedge
Color: Brownish Yellow
Dates: May 15 – Sep 30
Emergence: Sporadic
Size: 10-12
Spinner Fall: NA
Spotted Sedge Larva illustration
Spotted Sedge Emerger illustration
Spotted Sedge Adult illustration
Illustrations © The Flyfisher Group 

Mayflies
Insects: Blue Winged Olive
Color: Light Olive Brown to Brown Olive
Dates: Mar 1 – Nov 15
Emergence: Clouds & warmest part of day
Size: 16-18
Spinner Fall: Evening
Blue Winged Olive Nymph illustration
Blue Winged Olive Emerger illustration
Blue Winged Olive Adult illustration
Illustrations © The Flyfisher Group 
Insects: Callibaetis Speckled Dun
Color: Tannish Olive to Olive Gray
Dates: Jun 1 – Aug 30
Emergence: Cloudy, Late Morning
Size: 14-16
Spinner Fall: Late Afternoon
Callibaetis Speckled Dun Nymph illustration
Callibaetis Speckled Dun Emerger illustration
Callibaetis Speckled Dun Adult illustration
Illustrations © The Flyfisher Group 
Insects: Early Pale Morning Dun (PMD)
Color: Olivish Yellow to Yellowish Pink
Dates: Jun 1 – Sep 15
Emergence: Mid Morning to Early Afternoon
Size: 16-22
Spinner Fall: Late Evening
Early Pale Morning Dun (PMD) Nymph illustration
Early Pale Morning Dun (PMD) Emerger illustration
Early Pale Morning Dun (PMD) Adult illustration
Illustrations © The Flyfisher Group 
Insects: Ginger Quill
Color: Pale Cream to Whitish
Dates: Jul 1 – Sep 15
Emergence: Morning
Size: 14-16
Spinner Fall: Evening
Ginger Quill Nymph illustration
Ginger Quill Emerger illustration
Ginger Quill Adult illustration
Illustrations © The Flyfisher Group 
Insects: Gray Drake
Color: Gray
Dates: Jun 1 – Nov 30
Emergence: Late Morning
Size: 14-16
Spinner Fall: Evening
Gray Drake Nymph illustration
Gray Drake Emerger illustration
Gray Drake Adult illustration
Illustrations © The Flyfisher Group 
Insects: Iron Blue Quill
Color: Light Olive Tan to Blue Gray
Dates: Jun 1 – Aug 15
Emergence: Warmest part of day
Size: 20-22
Spinner Fall: Evening
Iron Blue Quill Nymph illustration
Iron Blue Quill Emerger illustration
Iron Blue Quill Adult illustration
Illustrations © The Flyfisher Group 
Insects: Micro Blue Winged Olive (BWO)
Color: Pale Olive Green to Blue Gray
Dates: Jun 1 – Nov 30
Emergence: Clouds & warmest part of day
Size: 22-26
Spinner Fall: Evening
Micro Blue Winged Olive (BWO) Nymph illustration
Micro Blue Winged Olive (BWO) Emerger illustration
Micro Blue Winged Olive (BWO) Adult illustration
Illustrations © The Flyfisher Group 
Insects: Pink Pale Morning Dun
Color: Pink to Orangish to Rusty Red
Dates: Aug 1 – Sep 15
Emergence: Daytime
Size: 14-16
Spinner Fall: Early Morning
Pink Pale Morning Dun Nymph illustration
Pink Pale Morning Dun Emerger illustration
Pink Pale Morning Dun Adult illustration
Illustrations © The Flyfisher Group 
Insects: Red Quill
Color: Reddish Brown
Dates: Jun 15 – Sep 30
Emergence: Mid Morning
Size: 14-16
Spinner Fall: Evening
Red Quill Nymph illustration
Red Quill Emerger illustration
Red Quill Adult illustration
Illustrations © The Flyfisher Group 
Insects: Trico
Color: Black
Dates: Jul 15 – Sep 15
Emergence: Morning
Size: 22-26
Spinner Fall: Early Afternoon
Trico Nymph illustration
Trico Emerger illustration
Trico Adult illustration
Illustrations © The Flyfisher Group 

Midges
Insects: Black Midge
Color: Blackish to Black
Dates: Apr 1 – Nov 15
Emergence: All Day
Size: 18-20
Spinner Fall: 2-3 Hours
Black Midge Larva illustration
Black Midge Emerger illustration
Black Midge Adult illustration
Illustrations © The Flyfisher Group 
Insects: Chocolate Brown Midge
Color: Brown to Chocolate
Dates: Feb 15 – Dec 15
Emergence: All Day
Size: 20-22
Spinner Fall: 2-3 Hours
Chocolate Brown Midge Larva illustration
Chocolate Brown Midge Emerger illustration
Chocolate Brown Midge Adult illustration
Illustrations © The Flyfisher Group 
Insects: Micro Black Midge
Color: Blackish to Black
Dates: Mar 1 – Nov 15
Emergence: Morning
Size: 22-26
Spinner Fall: 2-3 Hours
Micro Black Midge Larva illustration
Micro Black Midge Emerger illustration
Micro Black Midge Adult illustration
Illustrations © The Flyfisher Group 
Insects: Snow Midge
Color: Gray to Charcoal
Dates: Jan 1 – Dec 31
Emergence: Warmest part of day
Size: 24-28
Spinner Fall: 2-3 Hours
Snow Midge Larva illustration
Snow Midge Emerger illustration
Snow Midge Adult illustration
Illustrations © The Flyfisher Group 

Stoneflies
Insects: Micro Yellow
Color: Greenish Yellow to Yellow
Dates: Jun 1 – Aug 30
Emergence: 46-54° Water Temps Morning
Size: 18-22
Spinner Fall: NA
Micro Yellow Nymph illustration
Micro Yellow Adult illustration
Illustrations © The Flyfisher Group 
Insects: Winter Black
Color: Black Brown to Reddish Olive, Mottled Brown
Dates: Apr 1 – Aug 15
Emergence: Cold Mountain Streams and Small Ponds
Size: 18-22
Spinner Fall: NA
Winter Black Nymph illustration
Winter Black Adult illustration
Illustrations © The Flyfisher Group 
Insects: Yellow Sally
Color: Pale Yellow to Pinkish Yellow
Dates: Jun 15 – Aug 30
Emergence: Morning to Early Afternoon
Size: 2-8
Spinner Fall: NA
Yellow Sally Nymph illustration
Yellow Sally Adult illustration
Illustrations © The Flyfisher Group 

Terrestrials
Insects: Beetle
Color: Brownish to Black
Dates: May 1 – Nov 30
Emergence: All Day
Size: 10-18
Spinner Fall: NA
Beetle illustration
Illustrations © The Flyfisher Group 
Insects: Black & Red Ant
Color: Red & Black
Dates: Jul 1 – Sep 30
Emergence: All Day
Size: 18-20
Spinner Fall: NA
Black & Red Ant illustration
Illustrations © The Flyfisher Group 
Insects: Black Ant
Color: Black
Dates: May 1 – Nov 15
Emergence: All Day
Size: 20-24
Spinner Fall: NA
Black Ant illustration
Illustrations © The Flyfisher Group 
Insects: Cricket
Color: Brownish Olive to Black
Dates: Jun 1 – Nov 30
Emergence: Twilight & Dusk
Size: 8-16
Spinner Fall: NA
Cricket illustration
Illustrations © The Flyfisher Group 
Insects: Dog Day Cicadas
Color: Black & Orange
Dates: Jul 1 – Aug 31
Emergence: Varied
Size:
Spinner Fall: NA
Dog Day Cicadas illustration
Illustrations © The Flyfisher Group 
Insects: Grasshopper
Color: Green to Brownish Tan
Dates: May 15 – Nov 15
Emergence: All Day
Size: 2-14
Spinner Fall: NA
Grasshopper illustration
Grasshopper illustration
Illustrations © The Flyfisher Group 
Insects: Red Ant
Color: Red to Orangish
Dates: May 1 – Oct 15
Emergence: All Day
Size: 18-22
Spinner Fall: NA
Red Ant illustration
Illustrations © The Flyfisher Group 


Current Conditions

Snow
Currently: Light Snow
Temperature:  16 F
Temp Max:  24 F
Temp Min:  9 F
Humidity: 71%
Wind: 44 WNW mph
Pressure: 1011
Snow Monday 5:00PM — 10 ℉
Expect light snow with temperatures ranging between 4 and 10 ℉.
Wind: 44 WNW mph; Humidity: 90%;  Snow: 0.56 for next 3 hours.
Snow Monday 8:00PM — 1 ℉
Expect light snow with temperatures ranging between -3 and 1 ℉.
Wind: 14 NW mph; Humidity: 99%;  Snow: 0.5 for next 3 hours.
Snow Monday 11:00PM — -2 ℉
Expect light snow with temperatures ranging between -5 and -2 ℉.
Wind: 14 WNW mph; Humidity: 99%;  Snow: 0.31 for next 3 hours.
Snow Tuesday 2:00AM — -7 ℉
Expect light snow with temperatures ranging between -8 and -7 ℉.
Wind: 12 WNW mph; Humidity: 99%;  Snow: 0.25 for next 3 hours.
Snow Tuesday 5:00AM — -4 ℉
Expect light snow with temperatures ranging between -4 and -4 ℉.
Wind: 16 NW mph; Humidity: 98%;  Snow: 0.63 for next 3 hours.
Snow Tuesday 8:00AM — -4 ℉
Expect light snow with temperatures ranging between -4 and -4 ℉.
Wind: 23 NW mph; Humidity: 95%;  Snow: 0.31 for next 3 hours.
Snow Tuesday 11:00AM — 1 ℉
Expect light snow with temperatures ranging between 1 and 1 ℉.
Wind: 29 NNW mph; Humidity: 83%;  Snow: 0.19 for next 3 hours.
Snow Tuesday 2:00PM — 4 ℉
Expect light snow with temperatures ranging between 4 and 4 ℉.
Wind: 24 NNW mph; Humidity: 81%;  Snow: 0.19 for next 3 hours.
Snow Tuesday 5:00PM — 1 ℉
Expect light snow with temperatures ranging between 1 and 1 ℉.
Wind: 16 NW mph; Humidity: 86%;  Snow: 0.19 for next 3 hours.
Clouds Tuesday 8:00PM — -10 ℉
Expect broken clouds with temperatures ranging between -10 and -10 ℉.
Wind: 11 NW mph; Humidity: 99%; 
Clouds Tuesday 11:00PM — -13 ℉
Expect broken clouds with temperatures ranging between -13 and -13 ℉.
Wind: 12 WNW mph; Humidity: 99%; 
Clouds Wednesday 2:00AM — -15 ℉
Expect broken clouds with temperatures ranging between -15 and -15 ℉.
Wind: 14 NW mph; Humidity: 95%; 
Clouds Wednesday 5:00AM — -14 ℉
Expect broken clouds with temperatures ranging between -14 and -14 ℉.
Wind: 15 WNW mph; Humidity: 86%; 
Clear Wednesday 8:00AM — -4 ℉
Expect clear sky with temperatures ranging between -4 and -4 ℉.
Wind: 15 NW mph; Humidity: 76%; 
Clear Wednesday 11:00AM — 15 ℉
Expect clear sky with temperatures ranging between 15 and 15 ℉.
Wind: 19 NW mph; Humidity: 65%; 
Clear Wednesday 2:00PM — 21 ℉
Expect clear sky with temperatures ranging between 21 and 21 ℉.
Wind: 23 WNW mph; Humidity: 68%; 
Clouds Wednesday 5:00PM — 16 ℉
Expect scattered clouds with temperatures ranging between 16 and 16 ℉.
Wind: 19 NW mph; Humidity: 82%; 
Clouds Wednesday 8:00PM — 4 ℉
Expect scattered clouds with temperatures ranging between 4 and 4 ℉.
Wind: 16 WNW mph; Humidity: 97%; 
Snow Wednesday 11:00PM — 3 ℉
Expect light snow with temperatures ranging between 3 and 3 ℉.
Wind: 14 WNW mph; Humidity: 98%;  Snow: 0.13 for next 3 hours.
Clouds Thursday 2:00AM — 3 ℉
Expect broken clouds with temperatures ranging between 3 and 3 ℉.
Wind: 16 WNW mph; Humidity: 97%;