About this river
Priest River is a 40.2 mile river near Action Water Sports in Idaho. Streamflow is measured at the USGS gauge Priest R Outflow near Coolin, ID (site 12393501). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2017 to 2026
Priest River typically runs highest in May, at a median 3,150 cfs, and lowest in September, at 138 cfs. The highest flow on record for any single day is 8,010 cfs, in 2018.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 647 | 353 to 774 | |
| February | 498 | 348 to 787 | |
| March | 553 | 358 to 930 | |
| April | 1,355 | 951 to 2,025 | |
| May | 3,150 | 2,280 to 5,120 | |
| June | 1,490 | 935 to 3,150 | |
| July | 321 | 258 to 590 | |
| August | 184 | 100 to 280 | |
| September | 138 | 104 to 206 | |
| October | 1,180 | 765 to 1,760 | |
| November | 620 | 490 to 1,020 | |
| December | 555 | 359 to 1,010 |
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 9 years of record. Statistics published by the US Geological Survey for Priest R Outflow near Coolin, ID (site 12393501). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 mapped launches sit in the mapped area of Priest River. Ramp data comes from the USGS national boat-ramp inventory.
- Bishops MarinaPriest LakePublic
- Outlet MarinaPriest LakePublic
- Hills ResortPriest LakeRestricted
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Priest 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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