About this river
Bighorn River is a 52.7 mile river near Bighorn Trout Shop & Lodge in Montana. Streamflow is measured at the USGS gauge Bighorn River at bridge, at St. Xavier, MT (site 06287800). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2012 to 2026
Bighorn River typically runs highest in June, at a median 4,255 cfs, and lowest in August, at 2,350 cfs. The highest flow on record for any single day is 17,900 cfs, in 2023.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 2,580 | 2,330 to 3,080 | |
| February | 2,720 | 2,330 to 3,060 | |
| March | 2,830 | 2,190 to 4,790 | |
| April | 3,170 | 2,125 to 5,905 | |
| May | 3,520 | 2,180 to 6,560 | |
| June | 4,255 | 2,280 to 8,930 | |
| July | 2,960 | 2,130 to 8,050 | |
| August | 2,350 | 2,030 to 2,920 | |
| September | 2,370 | 1,940 to 3,035 | |
| October | 2,590 | 2,030 to 3,270 | |
| November | 2,545 | 2,220 to 3,130 | |
| December | 2,580 | 2,340 to 3,090 |
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 14 years of record. Statistics published by the US Geological Survey for Bighorn River at bridge, at St. Xavier, MT (site 06287800). 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 Bighorn 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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