Jacks Fork at Alley Spring, MO
River level and flood forecast · Shannon County
Normal1.0 ftas of Mon 2:30 PM
The river is 8.0 ft below flood stage (9 ft).
Forecast to hold near 1.0 ft through Fri, Oct 16, 1 PM.
Flow: 40 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 10:17 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 16 ft |
| Moderate flood stage | 12 ft |
| Flood stage | 9 ft |
| Action stage | 5.3 ft |
| Record crest (April 30, 2017) | 23.29 ft |
What floods at each level
From the National Weather Service, highest first.
- 23.29 ftthis is the record level reached on April 30, 2017. Portions of Highway 106 flood near the gage site.
- 21.97 ftthis is the flood level which occurred on November 14th 1993.
- 20 ftwater reaches the river gage and bottom of the Highway 106 bridge. Buildings near the gage site including Harvey's Canoe rental become inundated with several feet of water.
- 16 ftmajor flooding occurs at the gage site. Lower portions of Highway 106 flood.
- 13 ftthe Alley Spring Campground is completely flooded.
- 12 ftmoderate flooding begins at the gage site. Water inundates the entire picnic area one quarter mile downstream from the gage site.
- 11 ftmuch of Alley Spring Campground floods. Water flows through Alley Spring Campground and isolates the 200 Area Camp Sites.
- 9 ftwater impacts Alley Spring Campground. Water is one foot in depth at the 600, 800 and 900 loop camp sites.
- 8 ftwater begins to impact the 600, 800 and 900 loop sites of Alley Spring Campground one quarter mile upstream from the gage site.
- 5.3 ftfloating access to the Jacks Fork at Alley Spring is closed.
Highest crests on record
- 23.29 ft — April 30, 2017
- 21.97 ft — November 14, 1993
- 18.54 ft — February 7, 1999
- 17.1 ft — May 8, 2002
- 15.87 ft — February 27, 1997
Recent crests: 15.41 ft (November 5, 2024) · 9.96 ft (May 14, 2023) · 13.22 ft (March 25, 2023) · 12.25 ft (March 3, 2023) · 10.44 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 (ALYM7); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.