Leaf River near McLain, MS
River level and flood forecast · Greene County
Normal2.8 ftas of Mon 1:15 PM
The river is 15.2 ft below flood stage (18 ft).
Forecast to hold near 2.8 ft through Sat, Oct 17, 7 AM.
Flow: 695 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:08 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 28 ft |
| Moderate flood stage | 24 ft |
| Flood stage | 18 ft |
| Action stage | 13 ft |
| Record crest (April 1, 1900) | 31.8 ft |
What floods at each level
From the National Weather Service, highest first.
- 33 ftUSGS 100 year flood.
- 30.5 ftUSGS 50 year flood.
- 28 ftWater will back up McSwain Branch and some residences will become flooded.
- 25 ftResidences in West McClain begin to flood.
- 24 ftSome county roads in the area will become flooded.
- 18 ftConsiderable flooding of agricultural and lowlands near the river.
Highest crests on record
- 31.8 ft — April 1, 1900
- 31.64 ft — February 26, 1961
- 30.38 ft — April 18, 1974
- 29.87 ft — March 15, 2016
- 28.69 ft — December 31, 2018
Recent crests: 24.65 ft (June 23, 2026) · 19.95 ft (June 18, 2026) · 21.7 ft (May 28, 2026) · 20.12 ft (May 11, 2026) · 22.2 ft (January 14, 2026)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MCLM6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.