Gasconade River near Rich Fountain, MO
River level and flood forecast · Osage County
Normal2.0 ftas of Mon 2:30 PM
The river is 18.0 ft below flood stage (20 ft).
Flow: 451 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 30 ft |
| Moderate flood stage | 25 ft |
| Flood stage | 20 ft |
| Action stage | 18 ft |
| Record crest (May 2, 2017) | 37.47 ft |
What floods at each level
From the National Weather Service, highest first.
- 31.8 ftNear this height, State Highway 89 begins flooding north of State Highway E and just north of the Swan Creek bridge.
- 30.5 ftNear this height, U.S. Highway 50 near Mount Sterling will be closed in both directions.
- 29.7 ftNear this height, Missouri Highway 42 east of Vienna will be closed in both directions.
- 29.3 ftNear this height, Missouri State Route E just west of the juncture with Missouri Highway 89 will be closed in both directions.
- 28 ftNear this height, U.S. Highway 63 will be closed in both directions southeast of Vienna.
- 27 ftNear this height, Missouri State Route BB north of Mount Sterling will be closed in both directions.
- 26 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.
- 22.5 ftNear this height, Missouri State Route K west of Bay will be closed in both directions due to backwater along Second Creek.
- 22.1 ftHouse basement along the right bank upstream of the gage begins to flood near this height.
- 22 ftAt this height County Road 251 north of Fredericksburg is flooded and closed.
- 21.1 ftTurner Lane under the State Highway 89 bridge begins flooding near this height.
- 20 ftFLOOD STAGE. Right bank overflows. Also, State Highway D begins flooding near the Cooper Hill Conservation Area.
- 19.5 ftState Route N north of US Highway 50 and north of Freedom begins flooding near this height.
- 18.7 ftThe trailer court along the right bank downstream from the State Highway 89 bridge begins to flood near this level.
- 17 ftState Route RA at Pointers Creek near the County Road 801 intersection begins flooding near this level.
- 16 ftBrush Creek backs up and private roads begin to flood.
Highest crests on record
- 37.47 ft — May 2, 2017
- 34.56 ft — December 30, 2015
- 34.39 ft — August 8, 2013
- 33.27 ft — December 6, 1982
- 32.64 ft — March 21, 2008
Recent crests: 27.98 ft (November 7, 2024) · 24.24 ft (March 27, 2023) · 23.09 ft (May 9, 2022) · 20 ft (March 16, 2021) · 20 ft (March 23, 2020)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RIFM7); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.