About this river
Missouri River is a 45.0 mile river near Missouri River Angler in Montana. Streamflow is measured at the USGS gauge Missouri River bl Holter Dam nr Wolf Cr MT (site 06066500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1946 to 2026
Missouri River typically runs highest in June, at a median 6,695 cfs, and lowest in September, at 4,050 cfs. The highest flow on record for any single day is 34,000 cfs, in 1948.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 4,790 | 3,920 to 5,670 | |
| February | 4,640 | 3,920 to 5,560 | |
| March | 4,600 | 3,820 to 5,600 | |
| April | 5,020 | 3,770 to 6,785 | |
| May | 5,310 | 3,720 to 8,460 | |
| June | 6,695 | 3,880 to 12,300 | |
| July | 4,650 | 3,480 to 6,180 | |
| August | 4,070 | 3,330 to 4,780 | |
| September | 4,050 | 3,255 to 4,590 | |
| October | 4,080 | 3,360 to 4,740 | |
| November | 4,440 | 3,535 to 5,180 | |
| December | 4,730 | 3,870 to 5,490 |
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 81 years of record. Statistics published by the US Geological Survey for Missouri River bl Holter Dam nr Wolf Cr MT (site 06066500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
6 mapped launches sit in the mapped area of Missouri River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- York BridgeHauser ReservoirPublic
- Wolf Creek BridgeMissouri RiverPublic
- CraigMissouri RiverPublic
- Stickney CreekMissouri RiverPublic
- Spite HillMissouri RiverPublic
- Mid CanonMissouri RiverPublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Missouri 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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