Whacking Fatties Fly Fishing Reports and Forecasts

Colorado Fishing Report

Best Fishing Stream Name Today 10/3 10/4
1 Mariano Reservoir, CO 5 5 5
2 Lon Hagler Reservoir, CO 5 5 5
3 Prewitt Reservoir, CO 5 5 5
4 North Sterling Reservoir, CO 5 5 4
5 Jackson Reservoir, CO 5 5 4
6 Echo Canyon Reservoir, CO 5 5 4
7 Pueblo Reservoir, CO 5 5 4
8 R R Rutherford Reservoir, CO 5 5 3
9 Adobe Creek Reservoir, CO 5 5 3
10 Pinewood Lake, CO 5 5 3
11 Cherry Creek Lake, CO 5 4 4
12 Brush Hollow Reservoir, CO 5 4 4
13 Narraguinnep Reservoir, CO 5 4 4
14 Totten Lake, CO 5 4 3
15 Fraser River, CO 5 3 3
16 Grand Lake, CO 5 2 2
17 Shadow Mountain Lake, CO 5 2 2
18 Lake Granby, CO 5 2 2
19 Dowdy Lake, CO 5 1 3
20 Uncompahgre River, CO 4 5 5
21 Home Supply Reservoir, CO 4 5 5
22 Boyd Lake, CO 4 5 5
23 Watson Lake, CO 4 5 5
24 Chatfield Lake, CO 4 5 5
25 Rifle Gap Reservoir, CO 4 5 5
26 Douglas Reservoir, CO 4 5 5
27 Gunnison River: Lower, CO 4 5 4
28 Dolores River, CO 4 5 3
29 Trinidad Lake, CO 4 5 3
30 Colorado River: Lower, CO 4 4 5
31 Paonia Reservoir, CO 4 4 5
32 Highline Lake, CO 4 4 4
33 Crawford Reservoir, CO 4 4 4
34 Martin Lake Reservoir, CO 4 4 4
35 Horseshoe Lake Reservoir, CO 4 4 4
36 Cimarron River, CO 4 3 4
37 Neeskah Reservoir: Kiowa, CO 4 3 4
38 Neeskah Reservoir, CO 4 3 4
39 South Platte River: Lower, CO 4 3 4
40 Smith Reservoir, CO 4 3 3
41 Pastorius Reservoir, CO 4 3 3
42 Haviland Lake, CO 4 3 2
43 Joe Moore Reservoir, CO 4 3 2
44 Jackson Gulch Reservoir, CO 4 3 2
45 Summit Reservoir, CO 4 3 2
46 Puett Reservoir, CO 4 3 2
47 Halligan Reservoir, CO 4 2 5
48 Hot Springs Reservoir, CO 4 2 3
49 North Fork Big Thompson River, CO 4 2 3
50 Fall River, CO 4 0 1
51 Two Buttes Reservoir, CO 3 5 3
52 Barr Lake, CO 3 5 3
53 Holbrook Reservoir, CO 3 5 3
54 Horse Creek Reservoir, CO 3 5 3
55 Julesburg Reservoir, CO 3 4 5
56 Grass Valley Reservoir, CO 3 4 5
57 Cache la Poudre River, CO 3 4 4
58 Williams Creek Reservoir, CO 3 4 4
59 Lake Hasty: Bent, CO 3 4 3
60 John Martin Reservoir, CO 3 4 3
61 Lake Hasty, CO 3 4 3
62 Big Beaver Reservoir, CO 3 4 3
63 San Luis Lake, CO 3 4 3
64 Yampa River, CO 3 4 2
65 Vallecito Reservoir, CO 3 3 5
66 Fryingpan River, CO 3 3 4
67 Gunnison River: Black Canyon, CO 3 3 4
68 Lemon Reservoir, CO 3 3 4
69 Neenoshe Reservoir, CO 3 3 4
70 Antero Reservoir, CO 3 3 4
71 Thurston Reservoir, CO 3 3 4
72 Crystal River, CO 3 3 4
73 McPhee Reservoir, CO 3 3 4
74 Tarryall Reservoir, CO 3 3 4
75 Elk Head Reservoir, CO 3 3 3
76 Muddy Creek, CO 3 3 3
77 Deweese-Dye Reservoir, CO 3 3 3
78 West Dolores River, CO 3 3 2
79 Saint Vrain Creek, CO 3 3 2
80 Arkansas River: Upper, CO 3 3 2
81 Bear River, CO 3 3 2
82 Rio Grande Reservoir, CO 3 2 4
83 Green Mountain Reservoir, CO 3 2 4
84 Road Canyon Reservoir Number 1, CO 3 2 4
85 Taylor River, CO 3 2 4
86 Upper Dome Reservoir, CO 3 2 4
87 Eagle River, CO 3 2 3
88 East River, CO 3 2 3
89 San Juan River, CO 3 2 3
90 Willow Creek Reservoir, CO 3 2 3
91 Steamboat Lake, CO 3 2 3
92 Lost Lake Slough, CO 3 2 3
93 Skagway Reservoir, CO 3 2 3
94 White River, CO 3 2 2
95 Los Pinos River, CO 3 2 2
96 Animas River, CO 3 2 2
97 Florida River, CO 3 2 2
98 Sanchez Reservoir, CO 3 0 3
99 Chambers Lake, CO 3 0 2
100 Sweitzer Lake, CO 2 5 4
101 Lake Fork of the Gunnison, CO 2 4 5
102 South Platte River: Upper, CO 2 4 4
103 Boulder Creek, CO 2 4 2
104 Bear Creek, CO 2 4 2
105 Buckeye Reservoir, CO 2 4 1
106 Sylvan Lake, CO 2 3 4
107 Ruedi Reservoir, CO 2 3 4
108 Elevenmile Canyon Reservoir, CO 2 3 4
109 Spinney Mountain Reservoir, CO 2 3 4
110 Rio Blanco Lake, CO 2 3 3
111 Sweetwater Lake, CO 2 3 3
112 Vega Reservoir, CO 2 3 3
113 Miramonte Reservoir, CO 2 3 3
114 Clear Creek, CO 2 3 3
115 Groundhog Reservoir, CO 2 3 2
116 Clear Creek Reservoir, CO 2 2 4
117 Troutvale Reservoir Number 1: Hinsdale, CO 2 2 4
118 Troutvale Reservoir Number 2, CO 2 2 4
119 Shaw Lake, CO 2 2 4
120 Big Meadows Reservoir, CO 2 2 4
121 San Miguel River, CO 2 2 3
122 Cottonwood Lake, CO 2 2 3
123 La Jara Reservoir, CO 2 2 3
124 North Fork South Platte River, CO 2 2 3
125 Tarryall Creek, CO 2 2 3
126 Gunnison River: Upper, CO 2 2 2
127 South Fork White River, CO 2 2 2
128 Dillon Reservoir, CO 2 2 2
129 Pearl Lake, CO 2 2 2
130 Clear Lake, CO 2 2 2
131 Hermosa Creek, CO 2 2 2
132 Turquoise Lake, CO 2 2 2
133 Arkansas River: Lower, CO 2 2 2
134 Grape Creek, CO 2 2 2
135 Alberta Park Reservoir, CO 2 2 2
136 Trujillo Meadows Reservoir, CO 2 2 1
137 Mountain Home Reservoir, CO 2 1 4
138 South Fork Rio Grande, CO 2 1 3
139 Jefferson Lake, CO 2 1 3
140 Lake John, CO 2 1 2
141 South Delaney Lake, CO 2 1 2
142 East Delaney Lake, CO 2 1 2
143 Cowdrey Reservoir, CO 2 1 2
144 Cochetopa Creek, CO 2 1 2
145 Upper Stillwater Reservoir, CO 2 1 2
146 North Delaney Lake, CO 2 0 2
147 Deep Lake, CO 2 0 2
148 Michigan River, CO 2 0 1
149 Roaring River, CO 2 0 1
150 Joe Wright Creek, CO 2 0 1
151 Flagler Reservoir, CO 1 3 5
152 Bonny Reservoir, CO 1 3 5
153 Rio Grande, CO 1 2 4
154 Roaring Fork River, CO 1 2 3
155 Rio San Antonio, CO 1 2 3
156 Henson Creek, CO 1 2 2
157 Big Blue Creek, CO 1 2 2
158 Rito Hondo Reservoir, CO 1 2 2
159 Big Creek Reservoir Number 1, CO 1 2 2
160 Deep Ward Lake, CO 1 2 2
161 Mesa Lake, CO 1 2 2
162 Island Lake, CO 1 2 2
163 Clear Creek: Arkansas River, CO 1 2 1
164 Williams Fork, CO 1 1 3
165 Conejos River, CO 1 1 2
166 Culebra Creek, CO 1 1 2
167 Cebolla Creek, CO 1 1 2
168 Middle Fork South Platte River, CO 1 1 2
169 Gore Creek, CO 1 1 1
170 Dumont Lake, CO 1 1 1
171 Homestake Creek, CO 1 1 1
172 Piedra River, CO 1 1 1
173 Elk Creek, CO 1 1 1
174 North Michigan Creek Reservoir, CO 1 0 2
175 North Platte River, CO 1 0 1
176 Blue River, CO 1 0 0
177 Ramah Reservoir, CO 0 3 4
178 Colorado River: Upper, CO 0 1 0
179 Elk River, CO 0 0 0



Whacking Fatties Fishing Reports
Fly fishing report and map for Colorado.

What is Whacking Fatties? Fishing reports and forecasts for ~10,000 streams and lakes and rivers across North America and the United Kingdom.

What is the goal?

To better understand fishing patterns, conditions to predict ferocity of fishable events and locations.

How do we do it?

Fishing Reports and Forecasts. Throughout every day, we create 7 day fishing forecasts for ~10,000 streams and lakes.

What is the Fatty Factor?

A 5 star rating calculated per hour over every day per stream. We create a detailed forecast for each stream whereby every hour gets a 5 star Fatty Factor rating.

How is the Fatty Factor calculated?

The Fatty Factor is calculated using a fishing success estimation model containing proprietary big data analytics. We consume data from near and real-time sources, satellites, and sensors; compile/compare, against historic datasets, to create the Fatty Factor. Location, season, and analytics improve the rating over time.

How is the Fatty Factor rated?

5 stars is the best while 0 stars is “Not Fatty”.

How to use Whacking Fatties Fishing Reports and Forecasts?

Consult the detailed stream information section of the fishing reports and forecasts for the latest weather temperatures, wind speeds, cloud cover, gauge flows, and insect hatch patterns.

What do trout eat?

Check out the hatch recommendations for each stream in the detailed stream area. Investigate the hatch recommendations if you are interested in what do trout eat.

What kind of fish can I catch?

You tell us? Rainbow trout, brook trout, lake trout, bass, carp, etc. Currently, fresh water species. Salt water fishing? Fly fishing for carp is awesome. Tell us what you are after? Steelhead, grayling, tarpon, bass, bonefish, taimen, permit, salmon fishing?

How do I use the fishing maps?

We have a vast amount of geographic data for each stream. Click on the points to get more information. Green points represent fishing access such as put-ins and take-outs. Purple points represent bridges or stream crossings whereby often Google StreetView is available. Red points represent USGS Stream Gauges. Where available, we have graphs for Predictive Hydrograph 7 days, Water Temperature, Observed Height (ft.) 7 days, Observed Discharge (cfs) 7 days, and Duration Hydrograph. The Duration Hydrograph is a graphical presentation of recent daily streamflow, plotted over the long-term statistics of streamflow for each day of the year.

Can I determine land ownership from the stream map?

Yes. Landownership data is included in the map. In the map legend, the type of ownership is shown while you hover or tap on the map. You will see public or private land. For public, it will tell you the agency such as Forest Service or State Park.

Does Whacking Fatties have private landowner information such as parcel boundaries?

Currently, we have landowner information for Montana only. If you drill down into the map, you will see parcel boundaries. Simply click on the parcel to see who owns the land and other related information.

How do I determine distance from one access to another?

In the map, the measure tool can be used to trace along a stream to measure between fishing access points.

Can I determine stream elevation?

In the fishing map, you can turn on the elevation profile for a stream. You are able to visually see how much elevation is dropped along a stream.

What other mapping data is available and useful to anglers?

We provide three different background maps: dark, light, and satellite. The light is useful for planning routes to fishing access points. The satellite is very useful for all sorts of detailed planning.

What gauges are included in the Stream Flow graph?

For each stream, we have included all gauges for the stream overlaid into one graph. This is great for analyzing flow data of the stream as a whole to help predict best fishing areas.

What is the Fatty Store?

Check out the Fatty Store for great deals on the best fishing gear available in the market. We make available only the highest quality fly fishing gear at deep discounted prices such as fly fishing rods, fly boxes, waders or wading boots, fly fishing reels, flies, and tackle. From time to time, we have promotions on fly fishing vacations, film tours, and fly fishing videos. Look for deals on fly fishing schools.

What about fly fishing forums?

We have a great fishing forum where anglers can post their own reports and pictures. At each detailed stream page, you can upload fish pictures and your own fishing reports. We encourage you to rate the stream. We are working on the capability to upload your own fishing videos.

Where do I find a professional recommended fishing guide, lodge, or fishing charter?

Whacking Fatties Pro Contributors are professionally vetted and approved. Pro Contributors provide the highest quality guided fishing experiences. Look for recommended fishing charters, lodges, fly fishing and tackle shops posted on detailed stream report pages. Fishing near me? Investigate Pro Contributors listed on specific detailed streams near you.

What is Fatty Information?

What is the best fly line? How to tie a fly? Fly lines explained? Fly fishing beginner? Fatty Information is a new section whereby we present practical fly fisherman knowledge such as fly fishing knots, fly patterns, tapered leader formulas, tippet rings, strike indicators, drift boats, nymph fishing, euro nymphing, knots for fly fishing, best fishing sunglasses, etc. Information on our favorite flies such as mop files, clouser, nymph fly, wet flies, muddler minnow, isonychia fly, mole fly, cdc and elk fly, trico fly, caddis fly, and flies for largemouth bass. As well as recommendations for best small stream fly rods. The tug is the drug!

What are Fatty Alerts?

Never miss a great day of fishing! Fatty Alerts are automated email notifications whereby you are sent an email ONLY when your favorite streams have a great forecast. First, you sign up for a Whacking Fatties account; then, choose your favorite streams to get alerts. Fatty Alerts include our long range forecast. Never miss great fishing weather or fishing forecast with Fatty Alerts. They are free!

What are we working on next?

We will be expanding to fresh water lakes for bass, carp, and other great fishing. We will be able to assist with planning the best dates and times for your next fly fishing for stripers adventure. Forecasting for salt-water locations are on the radar. Please contact us with your feedback. Tight lines!

With the goal of better understanding fly-fishing patterns and predicting location and ferocity of fishable events, Whacking Fatties presents the Fatty Factor: a fly-fishing success estimation model using proprietary big data analytics.

Whacking Fatties promotes responsible fishing via catch and release practice and water resources conservation.

Check out more:

The Fatty List: Top Daily Fishing Reports broken down by nationwide, northeast, south, midwest, and northwest fishing regions The Fatty Map: Today's Top Fishing Streams on a Map Top Professional Contributors Fishing Report Feed - find current fishing reports and updates Fatty Photo Feed