Rivers in Oklahoma

Salt Fork of the Red River at Mangum

Greer County, OklahomaNWS MGMO2USGS 07300500Norman office

Below flood stage
1.55ftStage

Observed Thu, Sep 24, 9:45 AM CDT

Flood stage
9.00 ft
Record crest
14.70 ft1938

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood13.00 ft
Moderate flood11.00 ft
Minor flood9.00 ft
Action8.00 ft
  1. 15.00 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.
  2. 14.00 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.
  3. 13.00 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.
  4. 12.00 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.
  5. 11.00 ftExpect flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns or major highways are affected.
  6. 10.00 ftExpect flooding of agricultural and isolation of other low-lying areas in Harmon... Greer... and Jackson counties.
  7. 9.00 ftExpect flooding of agricultural bottomlands and isolation of other low-lying areas in Harmon... Greer... and Jackson counties.
  8. 8.00 ftExpect near bankfull stages along the river in Harmon... Greer... and Jackson counties.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 24, 2026.

Crest history

150 crests on NOAA’s list since 1938.

#DateStage
1June 16, 193814.70 ft
2October 3, 198614.66 ft
3May 16, 195714.55 ft
4April 4, 199714.29 ft
5July 19, 195313.75 ft
6July 7, 199313.60 ft
7May 27, 197713.50 ft
8May 28, 197813.45 ft
9June 10, 195413.30 ft
10April 20, 197713.25 ft
11April 24, 197313.17 ft
12June 24, 197513.10 ft
13June 4, 199512.88 ft
14May 29, 198012.82 ft
15August 3, 199512.72 ft
16May 21, 197712.65 ft
17June 4, 196512.38 ft
18June 8, 194112.20 ft
19May 27, 195612.20 ft
20May 13, 195812.18 ft
21September 13, 197612.09 ft
22November 2, 197412.05 ft
23May 24, 201511.86 ft
24July 21, 194811.77 ft
25September 20, 197411.75 ft

Most recent crests

  • April 30, 2025: 8.10 ft
  • April 27, 2025: 9.93 ft
  • April 26, 2025: 10.58 ft
  • June 3, 2023: 9.07 ft
  • June 13, 2021: 9.25 ft
  • June 1, 2021: 8.87 ft
  • May 31, 2021: 9.48 ft
  • August 25, 2017: 9.27 ft
  • June 15, 2015: 8.72 ft
  • June 14, 2015: 8.48 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Arkansas-Red Basin RFC. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.