RIVER GAUGE · MISSISSIPPI RIVER
Mississippi River below Lock and Dam 5a - Winona
Winona County, Minnesota
Water level645.91 ft
Flow20,500 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action650 ft
Minor flood655 ft
Moderate flood659 ft
Major flood661 ft
The past week
Loading chart…
What floods at each level
- 664 ft
Water reaches the top of the protective earthen levee.
- 663.35 ft
Water levels reach the flood of record.
- 663 ft
Lock walls go underwater.
- 660 ft
Lock and dam 5A closes to navigation.
- 651 ft
Water begins to impact campsites along river upstream at Merrick State Park.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Apr 18, 1965 | 663.35 ft | — |
| Apr 16, 2001 | 661.95 ft | — |
| Apr 10, 1997 | 661.6 ft | — |
More on Mississippi River
DownstreamMississippi River at Winona - Pool 6
Mississippi River at Hwy 169 at Champlin
Mississippi River at Hwy 610 in Brooklyn Park
Mississippi River near Aitkin
Mississippi River at Brainerd
Mississippi River at Brownsville
Mississippi River at Dakota
Mississippi River at Fort Ripley
Mississippi River Below Lock and Dam 2 - Hastings
Mississippi River below Lock and Dam 7 - La Crescent
Mississippi River at Lake City
Get an alert when Mississippi River rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

