Missouri River at Hermann
Observed Wed, Sep 23, 5:30 AM CDT
- Flood stage
- 21.00 ft
- Forecast crest
- 8.00 ftWed, Sep 23, 7:00 AM CDT
- Record crest
- 36.97 ft1993
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 33.00 ft |
| Moderate flood | 26.00 ft |
| Minor flood | 21.00 ft |
| Action | 19.00 ft |
- 38.20 ftThe Katy Trail east of Logan Creek floods
- 38.00 ftThe New Haven federal levee will overtop near this height.
- 36.00 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.
- 35.80 ftHomes and structures on the east side of Gasconade begin flooding along the Gasconade River near this height.
- 35.40 ftNear this height, Missouri Highway 100 will be closed through Gasconade.
- 35.00 ftThe agricultural levee protecting Rush Island northeast of Hermann is overtopped near this height. This is the Tri-County Levee District Section Two.
- 34.50 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.
- 34.30 ftMissouri State Highway 94 between Route B and Route N will be closed near this height.
- 34.20 ftThe picnic shelter and restrooms at the Hermann Riverfront Park begin flooding near this height.
- 34.10 ftMissouri State Highway 100 in Hermann between State Route 19 and Washington Street will be closed near this height.
- 34.00 ftUnion Pacific Railroad tracks flood. The Tri-County Levee Section Two between McKittrick and Gore will overtop near this height.
- 33.60 ftNear this height, Missouri State Highway 100 will be closed in both directions east of Hermann.
- 33.30 ftA house at the end of Oak Street in Gasconade begins flooding at the base of the concrete foundation near this height.
- 33.00 ftThe Tri-County Levee District Section One protecting the area south of Rhineland, including the Hermann airport, is overtopped near this level.
- 32.60 ftThe Corps of Engineers Gasconade Harbor Facility boatyard area begins to flood near this height.
- 32.50 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.
- 32.00 ftA Hermannhof Winery storage shelter begins flooding on the east side of Frene Creek.
- 31.50 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.
- 31.00 ftHermann Farm Stable and Wagon Works and the city amphitheater grounds begin flooding near this height.
- 30.80 ftNear this height, Missouri State Highway 94 between Missouri Highway 19 and Route B will be closed in both directions.
- 29.80 ftThe east end of Oak Street in Gasconade begins flooding near this level.
- 29.20 ftMissouri Route 94 is closed between Treloar and Pickney near this height.
- 28.00 ftNear this height, 2 picnic shelters along Mozart Road in Hermann City Park begin flooding.
- 26.00 ftNear this height, Gutenberg Street begins flooding.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 30% |
| Moderate flooding | 17% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.
Crest history
179 crests on NOAA’s list since 1844.
| # | Date | Stage |
|---|---|---|
| 1 | July 31, 1993 | 36.97 ft |
| 2 | May 19, 1995 | 36.22 ft |
| 3 | October 5, 1986 | 35.79 ft |
| 4 | May 4, 2017 | 35.62 ft |
| 5 | June 1, 1844 | 35.50 ft |
| 6 | December 30, 2015 | 34.82 ft |
| 7 | April 24, 1973 | 33.66 ft |
| 8 | June 8, 2019 | 33.52 ft |
| 9 | July 19, 1951 | 33.33 ft |
| 10 | June 2, 2013 | 33.14 ft |
| 11 | February 25, 1985 | 32.85 ft |
| 12 | May 17, 1990 | 32.77 ft |
| 13 | May 3, 1983 | 32.55 ft |
| 14 | September 29, 1993 | 31.70 ft |
| 15 | April 13, 1994 | 31.42 ft |
| 16 | September 16, 2008 | 31.40 ft |
| 17 | June 29, 1947 | 31.20 ft |
| 18 | May 21, 1943 | 31.20 ft |
| 19 | April 28, 1944 | 30.90 ft |
| 20 | May 10, 1961 | 30.60 ft |
| 21 | March 26, 1978 | 30.40 ft |
| 22 | June 28, 1967 | 30.05 ft |
| 23 | May 14, 2002 | 29.93 ft |
| 24 | June 19, 2015 | 29.70 ft |
| 25 | June 28, 1942 | 29.62 ft |
Most recent crests
- April 30, 2026: 22.17 ft
- July 5, 2024: 28.62 ft
- April 30, 2024: 25.85 ft
- June 3, 2022: 22.95 ft
- May 6, 2022: 24.42 ft
- June 29, 2021: 27.89 ft
- April 12, 2021: 24.35 ft
- March 19, 2021: 27.76 ft
- August 2, 2020: 21.08 ft
- June 10, 2020: 23.94 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued routinely year-round. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.