Whacking Fatties Fly Fishing Reports and Forecasts

Colorado Fishing Report

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