Rivers in Oklahoma
Chikaskia River near Blackwell
Below flood stage
2.38ftStage
Observed Sun, Sep 20, 12:30 PM CDT
- Flood stage
- 29.00 ft
- Forecast crest
- 2.60 ftSun, Sep 20, 1:00 PM CDT
- Record crest
- 35.36 ft2008
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 32.00 ft |
| Moderate flood | 30.00 ft |
| Minor flood | 29.00 ft |
| Action | 26.00 ft |
- 35.00 ftFloodwaters cover much of the northeast portions of Blackwell. Residences and businesses suffer significant damages. Street flooding reaches very dangerous depths and speeds. Highway 177 north of Blackwell is closed. Blackwell Avenue east of Blackwell... and Hubbard Road southeast of Blackwell are impassable. Rural lands are covered by floodwaters ranging up to 7 feet in depth in extreme northeastern Grant and Kay counties.
- 34.00 ftFloodwaters cover much of the northeast portions of Blackwell. Residences and businesses suffer significant damages. Street flooding reaches very dangerous depths and speeds. Highway 177 north of Blackwell is closed. Blackwell Avenue east and Hubbard Road southeast of Blackwell are impassable. Rural lands are covered by floodwaters ranging up to 6 feet in depth in extreme northeastern Grant and Kay counties.
- 33.00 ftFloodwaters cover several city blocks in northeast Blackwell. Some residences may suffer minor flooding and some will be isolated by depths up to 4 feet in streets. Highway 177 north of Blackwell... and Hubbard Road southeast of Blackwell are closed. Blackwell Avenue is overtopped at the bridge crossing. Rural lands are inundated by floodwaters ranging up to 5 feet in depth in extreme northeastern Grant and Kay counties.
- 32.00 ftSeveral city blocks in northeast Blackwell are affected. Some residences will be surrounded by depths approaching 3 feet in streets. Highway 177 north of Blackwell... and Hubbard Road southeast of Blackwell are closed. Blackwell Avenue is overtopped. Rural lands are covered by floodwaters ranging up to 4 feet in depth in extreme northeastern Grant and Kay counties.
- 31.00 ftSeveral city blocks in the northeast portions of Blackwell may be affected. Streets closest to the river may be nearly impassable... with depths approaching 2 feet. Highway 177 north of Blackwell is overtopped... and Hubbard Road southeast of Blackwell is closed. Rural lands are covered by floodwaters ranging up to 3 feet in depth in extreme northeastern Grant and Kay counties.
- 30.00 ftSeveral residences may be surrounded with street depths approaching 2 feet in the northeast portions of Blackwell. Highway 177 north of Blackwell may be flooded... while Hubbard Road may be impassable southeast of Blackwell. Rural lands are covered by floodwaters ranging up to 2 feet in depth in extreme northeastern Grant and Kay counties.
- 29.00 ftLow-lying streets in the northeast portions of Blackwell may flood enough to isolate some small areas near the river. Rural areas and local roads in extreme northeastern Grant and Kay counties are under shallow water depths for a few hours. Southeast of Blackwell... Hubbard Road will be briefly covered by shallow depths of water near the river.
- 28.00 ftLow-lying streets may experience nuisance flooding in the northeastern portions of Blackwell. Farmlands and local roads in extreme northeastern Grant and Kay counties may be under shallow water depths for a few hours. Southeast of Blackwell... Hubbard Road may be briefly covered by shallow depths of water near the river.
- 27.00 ftShallow... short duration overflows occur on low-lying bottomlands along and low water crossings over the Chikaskia River in extreme northeastern Grant and Kay counties.
- 26.00 ftShallow... short duration overflows occur on low-lying bottomlands along and low water crossings over the Chikaskia River in extreme northeastern Grant and Kay counties.
- 25.00 ftShallow... short duration overflows occur on low-lying bottomlands along and low water crossings over the Chikaskia River in extreme northeastern Grant and Kay counties.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 16% |
| Moderate flooding | 14% |
| Major flooding | 9% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 17, 2026.
Crest history
95 crests on NOAA’s list since 1957.
| # | Date | Stage |
|---|---|---|
| 1 | September 14, 2008 | 35.36 ft |
| 2 | May 9, 2019 | 34.46 ft |
| 3 | November 1, 1998 | 34.40 ft |
| 4 | May 21, 2019 | 34.35 ft |
| 5 | May 10, 1993 | 34.31 ft |
| 6 | October 3, 1986 | 34.28 ft |
| 7 | June 19, 2025 | 34.19 ft |
| 8 | October 11, 1973 | 33.85 ft |
| 9 | May 27, 2008 | 33.61 ft |
| 10 | October 12, 1985 | 33.42 ft |
| 11 | June 15, 2010 | 33.35 ft |
| 12 | May 24, 2015 | 33.27 ft |
| 13 | October 10, 2018 | 33.26 ft |
| 14 | November 17, 1964 | 33.08 ft |
| 15 | April 28, 2009 | 33.05 ft |
| 16 | June 10, 1995 | 33.00 ft |
| 17 | May 28, 1987 | 32.90 ft |
| 18 | September 28, 1987 | 32.89 ft |
| 19 | November 18, 1996 | 32.88 ft |
| 20 | October 4, 2002 | 32.83 ft |
| 21 | June 30, 2007 | 32.74 ft |
| 22 | May 18, 1957 | 32.56 ft |
| 23 | July 2, 1999 | 32.56 ft |
| 24 | May 28, 2019 | 32.52 ft |
| 25 | May 3, 1993 | 32.47 ft |
Most recent crests
- June 19, 2025: 34.19 ft
- June 8, 2025: 29.59 ft
- June 7, 2025: 29.62 ft
- March 24, 2021: 28.00 ft
- October 4, 2019: 29.36 ft
- June 24, 2019: 27.83 ft
- May 28, 2019: 32.52 ft
- May 21, 2019: 34.35 ft
- May 9, 2019: 34.46 ft
- October 10, 2018: 33.26 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Arkansas-Red Basin RFC. Forecasts are issued routinely year-round. 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.