Whacking Fatties Fly Fishing Reports and Forecasts

Colorado Fishing Report

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




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

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.

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.

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