About this river
Knife River is a 7.0 mile river near Happy Hooker Charters in Minnesota. Streamflow is measured at the USGS gauge Knife River near Two Harbors, MN (site 04015330). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1974 to 2026
Knife River typically runs highest in April, at a median 252 cfs, and lowest in February, at 8.3 cfs. The highest flow on record for any single day is 11,900 cfs, in 2012.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 9.0 | 4.4 to 15 | |
| February | 8.3 | 4.0 to 15 | |
| March | 18 | 8.6 to 37 | |
| April | 252 | 99 to 490 | |
| May | 81 | 51 to 161 | |
| June | 39 | 19 to 85 | |
| July | 17 | 9.6 to 44 | |
| August | 10 | 6.2 to 20 | |
| September | 18 | 7.2 to 47 | |
| October | 28 | 14 to 72 | |
| November | 36 | 19 to 70 | |
| December | 17 | 8.6 to 28 |
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 52 years of record. Statistics published by the US Geological Survey for Knife River near Two Harbors, MN (site 04015330). 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 Knife River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
