Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap


This probabilistic forecast is issued by the Lower Mississippi River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Black River at Black Rock are issued routinely year-round.
Return to Area Map

Upstream Gauge - at Pocahontas Upstream Gauge
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 25
Flood Stage: 14
Action Stage: 12
Low Stage (in feet): 0

Historic Crests
(1) 31.90 ft on 08/21/1915
(2) 31.51 ft on 12/04/1982
(3) 30.45 ft on 04/27/2011
(4) 30.30 ft on 04/15/1927
(5) 30.00 ft on 05/01/2017
(6) 29.74 ft on 03/20/2008
(7) 29.24 ft on 04/24/1973
(8) 28.61 ft on 04/12/2008
(9) 28.50 ft on 01/25/1949
(10) 28.10 ft on 03/29/1977
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.16 ft on 04/21/2023
(2) 24.03 ft on 03/04/2023
(3) 22.72 ft on 02/10/2023
(4) 17.40 ft on 01/03/2023
(5) 24.00 ft on 05/09/2019
(6) 23.29 ft on 03/02/2018
(7) 23.43 ft on 02/25/2018
(8) 30.00 ft on 05/01/2017
(9) 17.21 ft on 03/29/2017
(10) 27.15 ft on 12/29/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.20 ft on 12/09/1954
(2) 0.30 ft on 09/29/1932
Show More Low Water Records
KML Image
Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
32 The crest of record is 31.9 feet which occurred on August 21, 1915. Heavy rainfall was due to a hurricane which made landfall near Galveston Texas, and moved across Arkansas.
31.5 This is an extremely serious situation, residential areas of Black Rock, Portia, and Powhatan may be flooded. Flood crest of December 1982 was 31.51 feet, the second highest crest of record. Major flood damages to roads, bridges, and homes along the river in Lawrence, Jackson, and Independence counties. River is very dangerous at this level. State Highways 25, 37, and 69 will be flooded. Stay away from the edges of high banks along the river, bank caving is possible.
28.5 Highway 412 between Highway 63 and Walnut Ridge becomes inundated by flood waters.
28 Major flooding occurring at or above 28 feet. Portions of Black Rock and Powhatan Courthouse State Park floods. Jacksonport State Park Riverside of levee floods. State Highways 25, 37, and 69 will flood. 40 thousand acres of cropland flooded in Lawrence, Jackson, and Independence counties. Flood crests at Black Rock, 28.6 feet in April 2008, 29.7 feet in March 2008, and 30.45 feet in April 2011.
25 State Highway 37 will probably flood on west side of Black River. State Highway 25 south of Black Rock and State Highway 69 near Jacksonport may be partially flooded. Water will be in portions of Powhatan State Park. Extensive cropland flooding, flooding classified as moderate.
24 Thousands of acres of cropland and pastures flooded. State Highway 37 in Independence County east of Cord may be flooded. Water rises into low lying streets in Powhatan. Ball Park and Boat Ramp Area in Black Rock floods.
20 Agricultural land is flooding along both banks of the river in Lawrence, Independence, and Jackson counties. Minor flooding in Powhatan Community and Courthouse State Park.
17 Low lying cultivated land and pastures in Lawrence, Jackson, and Independence counties flood.
14 Minor flooding begins. Farm ground along east bank begins to flood.

Other Real-time and/or Archive Data Sources:

Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Little Rock Weather Forecast Office
8400 Remount Road
North Little Rock, AR 72118
(501) 834-0308
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Privacy Policy
About Us
Career Opportunities