About this river
Mississippi River is a 14.2 mile river near Turkey River Rentals in Iowa. Streamflow is measured at the USGS gauge Mississippi River at McGregor, IA (site 05389500). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1936 to 2014
Mississippi River typically runs highest in April, at a median 72,750 cfs, and lowest in February, at 18,100 cfs. The highest flow on record for any single day is 276,000 cfs, in 1965.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 18,400 | 14,200 to 24,000 | |
| February | 18,100 | 14,500 to 23,400 | |
| March | 30,000 | 23,800 to 43,800 | |
| April | 72,750 | 47,500 to 95,550 | |
| May | 57,600 | 39,700 to 84,800 | |
| June | 47,050 | 34,000 to 69,600 | |
| July | 38,600 | 22,700 to 57,500 | |
| August | 24,100 | 16,300 to 35,100 | |
| September | 22,750 | 15,500 to 37,050 | |
| October | 22,200 | 15,500 to 36,800 | |
| November | 25,000 | 18,300 to 38,900 | |
| December | 19,700 | 15,400 to 27,500 |
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 75 years of record. Statistics published by the US Geological Survey for Mississippi River at McGregor, IA (site 05389500). 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. Ramp data comes from the USGS national boat-ramp inventory.
- Guttenberg City AccessMississippi RiverPublic
- The LandingMississippi RiverRestricted
- Bussey Lake Boat RampMississippi RiverPublic
- Glen HavenMississippi RiverPublic
- Willies LandingMississippi RiverPublic
- Jays LakeMississippi RiverPublic
- Clayton Municipal RampMississippi RiverPublic
- Bagley BottomsMississippi 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.
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