About this river
Milk River is a 71.9 mile river near Fort Peck Marina and RV Park in Montana. Streamflow is measured at the USGS gauge Milk River at Nashua MT (site 06174500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1940 to 2026
Milk River typically runs highest in April, at a median 460 cfs, and lowest in January, at 125 cfs. The highest flow on record for any single day is 44,200 cfs, in 1952.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 125 | 95 to 180 | |
| February | 138 | 100 to 223 | |
| March | 300 | 150 to 1,260 | |
| April | 460 | 123 to 2,020 | |
| May | 353 | 110 to 883 | |
| June | 444 | 195 to 1,095 | |
| July | 297 | 95 to 710 | |
| August | 188 | 95 to 336 | |
| September | 181 | 102 to 297 | |
| October | 157 | 95 to 272 | |
| November | 178 | 120 to 266 | |
| December | 150 | 108 to 200 |
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 86 years of record. Statistics published by the US Geological Survey for Milk River at Nashua MT (site 06174500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Milk 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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