Whacking Fatties Fly Fishing Reports and Forecasts

Wyoming Fishing Report

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