Little Sac River near Morrisville, MO
River level and flood forecast · Polk County
Normal1.5 ftas of Mon 3:30 PM
The river is 12.5 ft below flood stage (14 ft).
Flow: 9 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 | 25 ft |
| Moderate flood stage | 17 ft |
| Flood stage | 14 ft |
| Action stage | 12 ft |
| Record crest (August 20, 2007) | 25.54 ft |
What floods at each level
From the National Weather Service, highest first.
- 24.8 ftApproximate level of the one percent chance flood.
Highest crests on record
- 25.54 ft — August 20, 2007
- 23.61 ft — December 27, 2015
- 23.33 ft — September 25, 1993
- 22.76 ft — May 23, 2019
- 21.95 ft — November 1, 1972
Recent crests: 21.65 ft (May 5, 2022) · 15.29 ft (May 18, 2021) · 14.7 ft (May 18, 2021) · 16.68 ft (March 13, 2021) · 14.14 ft (March 19, 2020)
Up and down the river, and nearby
- DownstreamSac River near Caplinger Mills, MO
- Sac River near Dadeville, MO
- Pomme de Terre River (MO) near Polk, MO
- Turnback Creek near Greenfield, MO
- South Fork Dry Sac River near Springfield, MO
- Sac River below Stockton Dam, MO
- Sac River at Stockton Dam, MO
- Lindley Creek near Polk, MO
- Wilson Creek at Springfield, MO
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MSZM7); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.