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




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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