South Dakota Fishing Guide
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- Fishing Types
- Walleye Fishing, Ice Fishing
Fishing spots near South Dakota Fishing Guide
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Typical flow by month
2001 to 2026
The water at South Dakota Fishing Guide typically runs highest in May, at a median 401 cfs, and lowest in February, at 41 cfs. The highest flow on record for any single day is 4,400 cfs, in 2011.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 50 | 17 to 76 | |
| February | 41 | 12 to 86 | |
| March | 210 | 55 to 444 | |
| April | 344 | 191 to 1,085 | |
| May | 401 | 219 to 903 | |
| June | 290 | 129 to 671 | |
| July | 150 | 73 to 553 | |
| August | 123 | 56 to 368 | |
| September | 85 | 44 to 218 | |
| October | 86 | 48 to 217 | |
| November | 80 | 45 to 170 | |
| December | 52 | 27 to 103 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 23 years of record. Statistics published by the US Geological Survey for Big Sioux River near Bruce, SD (site 06479770). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
High today
61°F
Wind
11 kt
Gusts 21 kt
Rain chance
2%
Week ahead
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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