Whacking Fatties Fly Fishing Reports and Forecasts

Wyoming Fishing Report

Best Fishing Stream Name Today 5/20 5/21
1 Salt River, WY 5 2 1
2 Bechler River, WY 5 1 3
3 Lamar River, WY 4 4 4
4 Greybull River, WY 4 4 3
5 Clarks Fork Yellowstone River, WY 4 4 3
6 Saratoga Lake, WY 4 4 2
7 North Fork Shoshone River, WY 4 4 2
8 Popo Agie River, WY 4 3 3
9 Gros Ventre River, WY 4 2 4
10 Little Snake River, WY 4 2 4
11 High Savery Reservoir, WY 4 2 2
12 Greys River, WY 4 1 4
13 Boysen Reservoir, WY 3 4 2
14 Middle Reservoir, WY 3 4 2
15 Lake Cameahwait, WY 3 4 2
16 Teton Reservoir, WY 3 4 2
17 Slough Creek, WY 3 4 2
18 Bighorn Lake, WY 3 3 2
19 Green River: Upper, WY 3 3 2
20 Jim Bridger Reservoir, WY 3 3 2
21 Fontenelle Reservoir, WY 3 2 2
22 Seminoe Reservoir, WY 3 2 2
23 Fall River, WY 3 1 3
24 Grayrocks Reservoir, WY 3 1 2
25 Rock Lake, WY 3 1 2
26 Wheatland Number 1 Reservoir, WY 3 1 2
27 Festo Lake, WY 3 1 2
28 Packer Lake, WY 3 1 1
29 Hawk Springs Reservoir, WY 3 1 1
30 Hams Fork, WY 2 4 3
31 String Lake, WY 2 3 3
32 Grassy Lake Reservoir, WY 2 3 3
33 Jackson Lake, WY 2 3 3
34 Jenny Lake, WY 2 3 3
35 Flaming Gorge Reservoir, WY 2 3 2
36 Big Sandy Reservoir, WY 2 3 2
37 Sulphur Creek Reservoir, WY 2 3 2
38 Deaver Reservoir, WY 2 3 1
39 Two Ocean Lake, WY 2 2 3
40 Dollar Lake, WY 2 2 3
41 Lower Slide Lake, WY 2 2 3
42 New Fork Lakes, WY 2 2 2
43 Ocean Lake, WY 2 2 2
44 Pilot Butte Reservoir, WY 2 2 2
45 Renner Reservoir, WY 2 2 2
46 Buffalo Bill Reservoir, WY 2 2 2
47 Luce Reservoir, WY 2 2 2
48 Hogan Reservoir, WY 2 2 2
49 Burnt Lake, WY 2 2 2
50 Boulder Lake, WY 2 2 2
51 Soda Lake, WY 2 2 2
52 Willow Lake, WY 2 2 2
53 Little Half Moon Lake, WY 2 2 2
54 Pathfinder Reservoir, WY 2 2 2
55 Half Moon Lake, WY 2 2 2
56 Little Soda Lake, WY 2 2 2
57 Sunshine Reservoir, WY 2 2 2
58 Fremont Lake, WY 2 2 2
59 Yellowstone River, WY 2 2 2
60 Wind River, WY 2 2 1
61 Cody Municipal Reservoir, WY 2 2 1
62 Newton Lakes: Park, WY 2 2 1
63 Lower Sunshine Reservoir, WY 2 2 1
64 Newton Lakes, WY 2 2 1
65 Twin Buttes Lake, WY 2 2 1
66 Lake Hattie Reservoir, WY 2 2 1
67 Woodruff Narrows Reservoir, WY 2 2 1
68 Hog Park Reservoir, WY 2 2 1
69 Meeks Cabin Reservoir, WY 2 2 1
70 Fiddlers Lake, WY 2 2 1
71 Pebble Creek, WY 2 2 1
72 Lake Owen, WY 2 2 0
73 Turpin Park Reservoir, WY 2 2 0
74 Rob Roy Reservoir, WY 2 2 0
75 Spencer Reservoir, WY 2 1 2
76 Lake of the Woods, WY 2 1 2
77 Sloan Lake, WY 2 1 1
78 Alsop Lake, WY 2 1 1
79 East Allen Lake, WY 2 1 1
80 Lake De Smet, WY 2 1 1
81 Keyhole Reservoir, WY 2 1 1
82 North Platte River: Upper, WY 2 1 1
83 Frye Lake, WY 2 1 1
84 Worthen Meadow Reservoir, WY 2 1 1
85 M W Lake, WY 2 0 2
86 Little Thunder Reservoir, WY 2 0 1
87 North Platte River: Lower, WY 2 0 0
88 Green River: Lower, WY 1 3 4
89 Duck Creek, WY 1 2 4
90 La Barge Creek, WY 1 2 4
91 Snake River, WY 1 2 3
92 New Fork River, WY 1 2 3
93 Hoback River, WY 1 2 3
94 Kemmerer Reservoir, WY 1 2 2
95 Lake Viva Naughton, WY 1 2 2
96 Lily Lake, WY 1 2 2
97 Meeboer Lake, WY 1 2 1
98 Shoshone River, WY 1 2 1
99 Lewis River, WY 1 1 4
100 Heart River, WY 1 1 4
101 Flat Creek, WY 1 1 2
102 Ring Lake, WY 1 1 2
103 Torrey Lake, WY 1 1 2
104 Trail Lake, WY 1 1 2
105 Pelham Lake, WY 1 1 2
106 Brooks Lake, WY 1 1 2
107 Upper Brooks Lakes, WY 1 1 2
108 Soda Butte Creek, WY 1 1 1
109 Little Popo Agie River, WY 1 1 1
110 Louis Lake, WY 1 1 1
111 Lake Alice, WY 1 1 1
112 Tensleep Creek, WY 1 1 1
113 Middle Fork Powder River, WY 1 1 1
114 Sweetwater River, WY 1 1 1
115 Tensleep Reservoir, WY 1 1 1
116 South Fork Shoshone River, WY 1 1 1
117 Firehole River, WY 1 1 1
118 Beartooth Lake, WY 1 1 1
119 Fish Lake, WY 1 1 1
120 Sylvan Lake, WY 1 1 1
121 Gibbon River, WY 1 1 1
122 Crystal Lake Reservoir, WY 1 1 0
123 Encampment River, WY 1 1 0
124 Libby Lake, WY 1 1 0
125 Granite Springs Reservoir, WY 1 0 0
126 Little Laramie River, WY 1 0 0
127 Tongue River, WY 1 0 0
128 Bear River, WY 1 0 0
129 Clear Creek, WY 1 0 0
130 Shoshone Lake, WY 1 0 0
131 North Fork Lake, WY 1 0 0
132 Middle Piney Lake, WY 0 1 1
133 Willow Park Reservoir, WY 0 1 0
134 Colorado Colony Ditch Company Reservoir Number 2, WY 0 1 0
135 Sibley Lake, WY 0 1 0
136 Dome Lake Number 1, WY 0 1 0
137 West Tensleep Lake, WY 0 1 0
138 Christina Lake, WY 0 1 0
139 Upper Medicine Lodge Lake, WY 0 1 0
140 Shell Reservoir, WY 0 1 0
141 Upper North Crow Reservoir, WY 0 0 0
142 Laramie River, WY 0 0 0
143 Sand Creek, WY 0 0 0
144 Middle Popo Agie River, WY 0 0 0
145 Cloud Peak Reservoir, WY 0 0 0
146 North Tongue River, WY 0 0 0
147 North Popo Agie River, WY 0 0 0
148 South Piney Creek, WY 0 0 0
149 South Tongue River, WY 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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