Salt Fork of the Red River at Mangum, OK
River level and flood forecast · Greer County
Normal1.8 ftas of Mon 8:30 AM
The river is 7.2 ft below flood stage (9 ft).
Flow: 2 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 | 13 ft |
| Moderate flood stage | 11 ft |
| Flood stage | 9 ft |
| Action stage | 8 ft |
| Record crest (June 16, 1938) | 14.7 ft |
What floods at each level
From the National Weather Service, highest first.
- 15 ftExpect valley-wide flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns are affected. Flooding begins in Harmon County several hours before the crest passes the State Highway 34 crossing south of Mangum.
- 14 ftExpect valley-wide flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns are affected. Flooding begins in Harmon County several hours before the crest passes the State Highway 34 crossing south of Mangum.
- 13 ftExpect widespread flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns or major highways are affected. Flooding begins in Harmon County several hours before the crest passes the State Highway 34 crossing south of Mangum.
- 12 ftExpect widespread flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns or major highways are affected. Flooding begins in Harmon County several hours before the crest passes the State Highway 34 crossing south of Mangum.
- 11 ftExpect flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns or major highways are affected.
- 10 ftExpect flooding of agricultural and isolation of other low-lying areas in Harmon... Greer... and Jackson counties.
- 9 ftExpect flooding of agricultural bottomlands and isolation of other low-lying areas in Harmon... Greer... and Jackson counties.
- 8 ftExpect near bankfull stages along the river in Harmon... Greer... and Jackson counties.
Highest crests on record
- 14.7 ft — June 16, 1938
- 14.66 ft — October 3, 1986
- 14.55 ft — May 16, 1957
- 14.29 ft — April 4, 1997
- 13.75 ft — July 19, 1953
Recent crests: 8.1 ft (April 30, 2025) · 9.93 ft (April 27, 2025) · 10.58 ft (April 26, 2025) · 9.07 ft (June 3, 2023) · 9.25 ft (June 13, 2021)
Up and down the river, and nearby
- UpstreamSalt Fork of the Red River at Wellington, TX
- DownstreamSalt Fork of the Red River near Elmer, OK
- North Fork of the Red River near Lugert, OK
- North Fork of the Red River at Lake Altus at Lugert, OK
- Lugert Drainage Ditch at Lugert, OK
- North Fork of the Red River near Carter, OK
- Elm Fork of North Fork Red River near Carl, OK
- North Fork of the Red River near Headrick, OK
- North Fork of the Red River near Tipton, OK
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MGMO2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.