About this river
Mississippi River is a 32.3 mile river near Big Muddy Adventures in Missouri. Streamflow is measured at the USGS gauge Mississippi River at St. Louis, MO (site 07010000). The National Hydrography Dataset places it at stream order 10. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1933 to 2026
Mississippi River typically runs highest in May, at a median 299,000 cfs, and lowest in January, at 103,000 cfs. The highest flow on record for any single day is 1,050,000 cfs, in 1993.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 103,000 | 73,300 to 146,000 | |
| February | 124,000 | 81,700 to 177,000 | |
| March | 222,000 | 158,000 to 295,000 | |
| April | 283,000 | 207,500 to 394,500 | |
| May | 299,000 | 203,000 to 411,000 | |
| June | 267,000 | 180,000 to 380,500 | |
| July | 214,000 | 141,000 to 278,000 | |
| August | 138,000 | 102,000 to 180,000 | |
| September | 118,000 | 89,750 to 171,000 | |
| October | 114,000 | 82,300 to 172,000 | |
| November | 124,000 | 86,750 to 178,000 | |
| December | 107,000 | 72,900 to 155,000 |
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 94 years of record. Statistics published by the US Geological Survey for Mississippi River at St. Louis, MO (site 07010000). 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 Mississippi River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Spanish LakeSpanish LakePublic
- Sunfish LakeSunfish LakePublic
- Columbia Bottom Conservation AreaMissouri RiverPublic
- Pelican Island AccessMissouri RiverPublic
- Lincoln Shields Recreation AreaMississippi RiverPublic
- Mississippi River Boat RampMississippi RiverPublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Mississippi 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.
