Skip to content

Mississippi River in Missouri

River62.1 mi

Around here

Around Mississippi River

20 mi

Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US

About this river

Mississippi River is a 62.1 mile river. 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.

Show the numbers
Typical flow by month at Mississippi River at St. Louis, MO, in cfs
MonthTypical (cfs)Usual range (cfs)
January103,00073,300 to 146,000
February124,00081,700 to 177,000
March222,000158,000 to 295,000
April283,000207,500 to 394,500
May299,000203,000 to 411,000
June267,000180,000 to 380,500
July214,000141,000 to 278,000
August138,000102,000 to 180,000
September118,00089,750 to 171,000
October114,00082,300 to 172,000
November124,00086,750 to 178,000
December107,00072,900 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

8 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.

  • Dr. Henry A. and Amalia Uhlemeyer AccessBourbeuse RiverPublic
  • Union AccessBourbeuse RiverPublic
  • Catawissa Conservation AreaMeramec RiverPublic
  • Allenton AccessMeramec RiverPublic
  • Pacific Palisades Conservation AreaMeramec RiverPublic
  • Route 66 State Park AccessMeramec RiverPublic
  • Meramec Landing (Valley Park)Meramec RiverPublic
  • Simpson Park Lake (East)Simpson Park LakePublic
Free widget

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.

Embed code

See every free widget you can put on your site, including live conditions and a 7 day forecast.