Missouri River at Hermann, MO
River level and flood forecast · Gasconade County
Normal9.8 ftas of Mon 1:30 PM
The river is 11.2 ft below flood stage (21 ft).
Forecast to rise to 10.8 ft Sun 1 AM, below the 21 ft flood stage.
Flow: 80,300 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:21 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 33 ft |
| Moderate flood stage | 26 ft |
| Flood stage | 21 ft |
| Action stage | 19 ft |
| Record crest (July 31, 1993) | 36.97 ft |
What floods at each level
From the National Weather Service, highest first.
- 38.2 ftThe Katy Trail east of Logan Creek floods
- 38 ftThe New Haven federal levee will overtop near this height.
- 36 ftThe Berger Levee between Berger and just northwest of New Haven will overtop near this height. The lower patio dining area at Hermannhof begins flooding near this height.
- 35.8 ftHomes and structures on the east side of Gasconade begin flooding along the Gasconade River near this height.
- 35.4 ftNear this height, Missouri Highway 100 will be closed through Gasconade.
- 35 ftThe agricultural levee protecting Rush Island northeast of Hermann is overtopped near this height. This is the Tri-County Levee District Section Two.
- 34.5 ftNear this height, Missouri State Highway 94 between Rhineland and State Highway 19 will be closed in both directions. Also, the Tri-County Levee Section One along the left bank between Bluffton and McKittrick will overtop near this height.
- 34.3 ftMissouri State Highway 94 between Route B and Route N will be closed near this height.
- 34.2 ftThe picnic shelter and restrooms at the Hermann Riverfront Park begin flooding near this height.
- 34.1 ftMissouri State Highway 100 in Hermann between State Route 19 and Washington Street will be closed near this height.
- 34 ftUnion Pacific Railroad tracks flood. The Tri-County Levee Section Two between McKittrick and Gore will overtop near this height.
- 33.6 ftNear this height, Missouri State Highway 100 will be closed in both directions east of Hermann.
- 33.3 ftA house at the end of Oak Street in Gasconade begins flooding at the base of the concrete foundation near this height.
- 33 ftThe Tri-County Levee District Section One protecting the area south of Rhineland, including the Hermann airport, is overtopped near this level.
- 32.6 ftThe Corps of Engineers Gasconade Harbor Facility boatyard area begins to flood near this height.
- 32.5 ftHermann Ford and a vacant grocery store on 6th Street begin flooding near this level.
- 32.29 ftMarket Street (Highway 19) begins flooding near the bridge over Frene Creek.
- 32 ftA Hermannhof Winery storage shelter begins flooding on the east side of Frene Creek.
- 31.5 ftJust northeast of Morrison, the Morrison Lower levee is overtopped near this height. Also, the restrooms at the Hermann City Campgrounds and a car wash on Gutenberg Road begin flooding near this height.
- 31 ftHermann Farm Stable and Wagon Works and the city amphitheater grounds begin flooding near this height.
- 30.8 ftNear this height, Missouri State Highway 94 between Missouri Highway 19 and Route B will be closed in both directions.
- 29.8 ftThe east end of Oak Street in Gasconade begins flooding near this level.
- 29.2 ftMissouri Route 94 is closed between Treloar and Pickney near this height.
- 28 ftNear this height, 2 picnic shelters along Mozart Road in Hermann City Park begin flooding.
- 26 ftNear this height, Gutenberg Street begins flooding.
Highest crests on record
- 36.97 ft — July 31, 1993
- 36.22 ft — May 19, 1995
- 35.79 ft — October 5, 1986
- 35.62 ft — May 4, 2017
- 35.5 ft — June 1, 1844
Recent crests: 22.17 ft (April 30, 2026) · 28.62 ft (July 5, 2024) · 25.85 ft (April 30, 2024) · 22.95 ft (June 3, 2022) · 24.42 ft (May 6, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HRNM7); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.