Gasconade River near Rich Fountain

1. 31.80 ftNear this height, State Highway 89 begins flooding north of State Highway E and just north of the Swan Creek bridge.
2. 30.50 ftNear this height, U.S. Highway 50 near Mount Sterling will be closed in both directions.
3. 29.70 ftNear this height, Missouri Highway 42 east of Vienna will be closed in both directions.
4. 29.30 ftNear this height, Missouri State Route E just west of the juncture with Missouri Highway 89 will be closed in both directions.
5. 28.00 ftNear this height, U.S. Highway 63 will be closed in both directions southeast of Vienna.
6. 27.00 ftNear this height, Missouri State Route BB north of Mount Sterling will be closed in both directions.
7. 26.00 ftCounty Road 623 northwest of the gage and County Road 727 at Highway D are flooded and closed at this height. Also, State Highway 42 southwest of Belle and State Highway J east of Fredericksburg are also flooded and closed. Actual point of inundation may be as low as 22 ft.
8. 22.50 ftNear this height, Missouri State Route K west of Bay will be closed in both directions due to backwater along Second Creek.
9. 22.10 ftHouse basement along the right bank upstream of the gage begins to flood near this height.
10. 22.00 ftAt this height County Road 251 north of Fredericksburg is flooded and closed.
11. 21.10 ftTurner Lane under the State Highway 89 bridge begins flooding near this height.
12. 20.00 ftFLOOD STAGE. Right bank overflows. Also, State Highway D begins flooding near the Cooper Hill Conservation Area.
13. 19.50 ftState Route N north of US Highway 50 and north of Freedom begins flooding near this height.
14. 18.70 ftThe trailer court along the right bank downstream from the State Highway 89 bridge begins to flood near this level.
15. 17.00 ftState Route RA at Pointers Creek near the County Road 801 intersection begins flooding near this level.
16. 16.00 ftBrush Creek backs up and private roads begin to flood.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.

Most recent crests

• November 7, 2024: 27.98 ft
• March 27, 2023: 24.24 ft
• May 9, 2022: 23.09 ft
• March 16, 2021: 20.00 ft
• March 23, 2020: 20.00 ft
• January 14, 2020: 21.65 ft
• February 27, 2018: 21.72 ft
• May 2, 2017: 37.47 ft
• December 30, 2015: 34.56 ft
• July 14, 2015: 20.95 ft

• UpstreamGasconade River at Jerome
• Maries River at Westphalia
• Osage River at Mari-Osa Campground
• Missouri River at Chamois
• Osage River at St. Thomas
• Bourbeuse River at High Gate
• Moreau River (MO) at Jefferson City
• Tavern Creek at St. Elizabeth
• Missouri River at Jefferson City

Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. 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.

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.