Clarks Fork Yellowstone River in Montana
Around here
Around Clarks Fork Yellowstone River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Clarks Fork Yellowstone River is a 51.3 mile river. Streamflow is measured at the USGS gauge Clarks Fork Yellowstone River at Edgar MT (site 06208500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1921 to 2026
Clarks Fork Yellowstone River typically runs highest in June, at a median 3,725 cfs, and lowest in January, at 360 cfs. The highest flow on record for any single day is 18,100 cfs, in 2022.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 360 | 300 to 420 |
| April | 485 | 362 to 624 |
| May | 1,670 | 1,000 to 2,870 |
| June | 3,725 | 2,765 to 5,400 |
| July | 1,660 | 980 to 2,620 |
| August | 444 | 266 to 676 |
| September | 399 | 268 to 555 |
| October | 538 | 421 to 657 |
| November | 520 | 442 to 589 |
| December | 420 | 350 to 490 |
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 87 years of record. Statistics published by the US Geological Survey for Clarks Fork Yellowstone River at Edgar MT (site 06208500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
2 mapped launches sit in the mapped area of Clarks Fork Yellowstone River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Clarks Fork Yellowstone 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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