Idaho Whitewater Unlimited-IWU
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Outfitter details
- Disciplines
- Rafting, Whitewater
Rivers & creeks near this outfitter
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Typical flow by month
2000 to 2026
The water at Idaho Whitewater Unlimited-IWU typically runs highest in May, at a median 1,080 cfs, and lowest in September, at 94 cfs. The highest flow on record for any single day is 4,390 cfs, in 2019.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 146 | 126 to 180 | |
| February | 168 | 139 to 228 | |
| March | 372 | 283 to 550 | |
| April | 851 | 507 to 1,215 | |
| May | 1,080 | 796 to 1,620 | |
| June | 585 | 412 to 907 | |
| July | 179 | 152 to 213 | |
| August | 106 | 95 to 123 | |
| September | 94 | 85 to 107 | |
| October | 110 | 96 to 122 | |
| November | 130 | 107 to 151 | |
| December | 136 | 115 to 168 |
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 26 years of record. Statistics published by the US Geological Survey for Middle Fork Payette River near Crouch ID (site 13237920). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Streamflow
95 cfs
Normal (53rd)
Water level
5.47 ft
High today
83°F
Wind
9 kt
Gusts 11 kt
Rain chance
0%
Week ahead
Forecast from Open-Meteo global models (NOAA & ECMWF).
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