River stage
Index, Red River
- River level
- 0.65 ft
- Status
- Below flood stage
- 7-day change
- -0.18 ft
- Recent high
- 12.02 ft
- Recent low
- -0.01 ft
Last reported 2026-10-13 | NWS INGA4
- 30-day change
- +0.37 ft
- Average
- 1.69 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 34.40 ft
In brief
The Red River at Index, AR read 0.65 ft on Oct 13, 2026, 18.85 ft below action stage. That is 0.37 ft higher than 30 days earlier.
Source: National Weather Service gauge INGA4
Water 78 °F (26 °C) · 6 °F warmer than normal for this date
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 34.40 ft | 1938-02-23 |
| 2 | 32.30 ft | 1990-05-10 |
| 3 | 31.41 ft | 2015-06-04 |
| 4 | 31.10 ft | 1935-05-25 |
| 5 | 30.80 ft | 1927-04-23 |
| 6 | 30.40 ft | 1942-05-01 |
| 7 | 29.23 ft | 1957-06-08 |
| 8 | 28.30 ft | 1941-06-16 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 19.50 ft
Considerable backwater flooding will take place on Walnut Bayou at its confluence with the Red River to near Tom, Oklahoma.
- 24.00 ft
The Red River is at bankfull with some minor flooding of low pastures. Ranchers are advised to move cattle to higher ground.
- 25.00 ft
Considerable flooding of lowland farm and grazing land will take place. Ranchers should move cattle and equipment to higher ground.
- 26.00 ft
Water begins to overflow the approaches next to the weigh station at U.S. Highway 71 with the bridge threatened with closure. Also high water overflows the north approches to the bridge on the southbound lanes.
- 26.50 ft
Water begins to overflow the approaches next to the weigh station at U.S. Highway 71 with the bridge threatened with closure.
- 27.00 ft
General inundation of farm and grazing lowlands will occur. Ranchers should have completed evacuation of cattle and equipment to higher ground. U.S. Highway 71 approaches overflow next to the weigh station with the bridge very likely closed.
- 27.50 ft
U.S. Highway 71 Red River bridge closed.
- 29.00 ft
General inundation of farm and grazing lowlands will occur. Ranchers should have completed evacuation of cattle and equipment to higher ground. Expect water to creep well up on levee systems.
- 31.50 ft
A 24 hour flood watch will commence at the Index bridge on U.S. highway 71. The bridge is in danger of being overtopped.
- 32.00 ft
Expect widespread inundation of thousand of acres of farmland between and near levees.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Red River flooding at Index?
No. The Red River at Index is at 0.65 ft, 18.85 ft below action stage.
What is the flood stage at Index?
The National Weather Service sets action stage 19.5 ft, minor flooding 25 ft, moderate flooding 26 ft and major flooding 28 ft.
What is the highest the Red River has been at Index?
The highest crest on record is 34.4 ft, on 1938-02-23.
Is the Red River high or low right now at Index?
At 0.65 ft it is higher than 45% of readings over the last 122 days.
How warm is the water at Index, Red River?
The water temperature at Index, Red River is 78 °F (25.8 °C), measured 7:00 pm by USGS, which is 6 °F warmer than normal for this date over the past ten years. It has risen 0.9 °F in the last 24 hours.
Stage and flood information from the NOAA National Weather Service (gauge INGA4); daily history from the U.S. Geological Survey (site 07337000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.