About this river
Deadwood River is a 19.6 mile river near Idaho Whitewater Unlimited-IWU in Idaho. Streamflow is measured at the USGS gauge Deadwood River below Deadwood Res near Lowman ID (site 13236500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1931 to 2026
Deadwood River typically runs highest in August, at a median 821 cfs, and lowest in January, at 3.0 cfs. The highest flow on record for any single day is 2,220 cfs, in 1983.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 3.0 | 2.1 to 51 | |
| February | 3.0 | 2.0 to 51 | |
| March | 3.0 | 2.1 to 51 | |
| April | 3.5 | 2.8 to 54 | |
| May | 41 | 3.0 to 350 | |
| June | 427 | 60 to 784 | |
| July | 539 | 328 to 779 | |
| August | 821 | 577 to 960 | |
| September | 104 | 51 to 763 | |
| October | 4.0 | 2.3 to 52 | |
| November | 3.0 | 2.1 to 51 | |
| December | 3.0 | 2.1 to 52 |
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 95 years of record. Statistics published by the US Geological Survey for Deadwood River below Deadwood Res near Lowman ID (site 13236500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Deadwood River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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