Whacking Fatties Fly Fishing Reports and Forecasts

South Dakota Fishing Report

Best Fishing Stream Name Today 4/18 4/19
1 McCook Lake, SD 5 3 0
2 Lake Menno, SD 5 3 0
3 Marindahl Lake, SD 5 3 0
4 Silver Lake, SD 5 3 0
5 Hanson Lake, SD 5 3 0
6 Ethan Lake, SD 5 3 0
7 Bullhead Lake: Deuel, SD 5 3 0
8 Lake Tetonkaha, SD 5 3 0
9 Clear Lake: Hamlin, SD 5 3 0
10 Lake Norden, SD 5 3 0
11 Lost Lake: Minnehaha, SD 5 3 0
12 Clear Lake: Minnehaha, SD 5 3 0
13 Lake Goldsmith, SD 5 3 0
14 Dry Lake Number Two, SD 5 3 0
15 South Coteau Lake, SD 5 3 0
16 Pelican Lake, SD 5 3 0
17 Round Lake: Deuel, SD 5 3 0
18 Lake Alvin, SD 5 3 0
19 Lake Herman, SD 5 3 0
20 Goose Lake, SD 5 3 0
21 Lake Albert, SD 5 3 0
22 Fairfax Lake, SD 5 2 1
23 Lewis and Clark Lake, SD 5 2 1
24 Lake Geddes, SD 5 2 1
25 Swan Lake, SD 5 2 0
26 Lake Whitewood, SD 5 2 0
27 Brant Lake, SD 5 2 0
28 Tuschen Slough, SD 5 2 0
29 East Vermillion Lake, SD 5 2 0
30 Lake Thompson, SD 5 2 0
31 Punished Womans Lake, SD 5 2 0
32 Long Lake, SD 5 2 0
33 Lake Mitchell, SD 5 2 0
34 Lake Alice, SD 5 2 0
35 Lake Henry, SD 5 2 0
36 Anderson Slough, SD 5 2 0
37 Wall Lake, SD 5 2 0
38 Lake Dimock, SD 5 2 0
39 Diamond Lake, SD 5 2 0
40 Ketchum Lake, SD 5 2 0
41 Wilmarth Lake, SD 5 2 0
42 Island Lake, SD 5 2 0
43 Clear Lake, SD 5 2 0
44 Lake Poinsett, SD 5 2 0
45 Lost Lake, SD 5 2 0
46 Lake Kampeska, SD 5 2 0
47 Beaver Lake, SD 5 2 0
48 Round Lake, SD 5 2 0
49 Lake Carthage, SD 5 2 0
50 School Lake, SD 5 2 0
51 Lake Dudley, SD 5 1 2
52 Lake Platte, SD 5 1 1
53 Lake Francis Case, SD 5 1 1
54 Swan Lake: Clark, SD 5 1 1
55 Twin Lakes: Sanborn, SD 5 1 0
56 Lake Yankton, SD 5 1 0
57 Grass Lake, SD 5 1 0
58 Lake Hendricks, SD 5 1 0
59 Lake Cochrane, SD 5 1 0
60 Beaver Lake: Yankton, SD 5 1 0
61 Lake Oliver, SD 5 1 0
62 Round Lake: Clark, SD 5 1 0
63 Rose Hill Lake, SD 5 1 0
64 Baileys Lake, SD 5 1 0
65 Hayes Lake, SD 5 0 3
66 Lake Sharpe, SD 5 0 2
67 Lantry Lake, SD 5 0 2
68 Eagle Butte Lake, SD 5 0 2
69 Richmond Lake, SD 5 0 2
70 Lake Byron, SD 5 0 2
71 Shadehill Reservoir, SD 5 0 1
72 Center Lake, SD 5 0 1
73 Lemmon Lake, SD 5 0 1
74 Bismark Lake, SD 5 0 1
75 Pactola Reservoir, SD 5 0 1
76 Curlew Lake, SD 5 0 1
77 Byre Lake, SD 5 0 1
78 Lake Oahe, SD 5 0 1
79 Little Moreau Lake, SD 5 0 1
80 Mud Lake, SD 5 0 1
81 Cottonwood Lake: Spink, SD 5 0 1
82 Pierpont Lake, SD 5 0 1
83 Amsden Lake, SD 5 0 1
84 Lake Cresbard, SD 5 0 1
85 Trail City Railroad Lake, SD 5 0 1
86 Pigors Lake, SD 5 0 1
87 Molstad Lake, SD 5 0 1
88 Isabel Lake, SD 5 0 1
89 Morristown East Lake, SD 5 0 1
90 Lake Louise, SD 5 0 1
91 Willow Creek Lake, SD 5 0 1
92 Elm Lake, SD 5 0 1
93 Eureka Lake, SD 5 0 1
94 Jones Lake, SD 5 0 1
95 Lake Parmley, SD 5 0 1
96 White Lake, SD 5 0 1
97 Lake Oahe: Dewey, SD 5 0 0
98 Lake Boehm, SD 5 0 0
99 Dupree Lake, SD 5 0 0
100 Cottonwood Lake: Sully, SD 5 0 0
101 Opal Lake, SD 5 0 0
102 Reliance Lake, SD 5 0 0
103 Fate Dam, SD 5 0 0
104 Lake Hurley, SD 5 0 0
105 Brakke Dam, SD 5 0 0
106 Bear Butte Lake, SD 5 0 0
107 Staum Dam, SD 5 0 0
108 Lake Redfield, SD 5 0 0
109 Ravine Park Lake, SD 5 0 0
110 Reid Lake, SD 5 0 0
111 North Scatterwood Lake, SD 5 0 0
112 Deerfield Lake, SD 5 0 0
113 Waubay Lake, SD 5 0 0
114 Horseshoe Lake, SD 5 0 0
115 Opitz Lake, SD 5 0 0
116 Twin Lakes, SD 5 0 0
117 Fordham Dam, SD 5 0 0
118 Blue Dog Lake, SD 5 0 0
119 Enemy Swim Lake, SD 5 0 0
120 Pickerel Lake, SD 5 0 0
121 Clear Lake: Marshall, SD 5 0 0
122 Abraham Lake, SD 5 0 0
123 Hickman Lake, SD 5 0 0
124 Summit Lake, SD 5 0 0
125 Sixmile Lake, SD 5 0 0
126 Stafford Dam, SD 5 0 0
127 Buffalo Lakes, SD 5 0 0
128 Piyas Lake, SD 5 0 0
129 Ninemile Lake, SD 5 0 0
130 South Red Iron Lake, SD 5 0 0
131 Minnewasta Lake, SD 5 0 0
132 Bullhead Lake, SD 5 0 0
133 Fourmile Lake, SD 5 0 0
134 Cottonwood Lake, SD 5 0 0
135 Roy Lake, SD 5 0 0
136 Antelope Lake, SD 5 0 0
137 Lake Faulkton, SD 5 0 0
138 Goose Lake: Day, SD 5 0 0
139 Spirit Lake, SD 4 3 0
140 Angostura Reservoir, SD 4 1 2
141 Cold Brook Reservoir, SD 4 1 1
142 Belle Fourche Reservoir, SD 4 0 2
143 Lake Pocasse, SD 4 0 2
144 Sheridan Lake, SD 4 0 1
145 Rapid Creek, SD 4 0 1
146 Grace Coolidge Creek, SD 4 0 1
147 Boxelder Creek, SD 4 0 1
148 Crow Creek, SD 4 0 1
149 Lake Campbell, SD 4 0 1
150 French Creek, SD 4 0 0
151 Spring Creek, SD 4 0 0
152 Battle Creek, SD 4 0 0
153 Buffalo Slough, SD 3 3 0
154 Lake Sinai, SD 3 3 0
155 Lake Madison, SD 3 3 0
156 Corsica Lake, SD 3 2 0
157 Lake Oakwood, SD 3 2 0
158 Fish Lake, SD 3 1 0
159 Oak Lake, SD 3 1 0
160 Roosevelt Lake, SD 3 0 3
161 Waggoner Lake, SD 3 0 3
162 Dog Ear Lake, SD 3 0 2
163 Stockade Lake, SD 3 0 1
164 Owen Lake, SD 3 0 1
165 Castle Creek, SD 3 0 0
166 Iron Creek Lake, SD 2 0 1
167 Spearfish Creek, SD 2 0 0
168 Little Spearfish Creek, SD 2 0 0
169 Whitewood Creek, SD 1 0 0
170 Sand Creek, SD 0 0 1
171 Lake Gardner, SD 0 0 0



Whacking Fatties Fishing Reports
Fly fishing report and map for South Dakota.

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