Skip Navigation Link weather.gov  
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 Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 

Web Portal Changes:

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
Mahoning River at Youngstown Stage (ft)Flow (kcfs)Observed: 10.93 ft at 3:15PM Apr 13, 2024Highest Observation: 10.94 ft at 3:30PM Apr 13, 2024Observed: 10.91 ft at 3:45PM Apr 13, 2024Observed: 10.88 ft at 4:00PM Apr 13, 2024Observed: 10.88 ft at 4:15PM Apr 13, 2024Observed: 10.85 ft at 4:30PM Apr 13, 2024Observed: 10.83 ft at 4:45PM Apr 13, 2024Observed: 10.83 ft at 5:00PM Apr 13, 2024Observed: 10.77 ft at 5:15PM Apr 13, 2024Observed: 10.74 ft at 5:30PM Apr 13, 2024Observed: 10.73 ft at 5:45PM Apr 13, 2024Observed: 10.64 ft at 6:00PM Apr 13, 2024Observed: 10.68 ft at 6:15PM Apr 13, 2024Observed: 10.6 ft at 6:30PM Apr 13, 2024Observed: 10.54 ft at 6:45PM Apr 13, 2024Observed: 10.54 ft at 7:00PM Apr 13, 2024Observed: 10.55 ft at 7:15PM Apr 13, 2024Observed: 10.55 ft at 7:30PM Apr 13, 2024Observed: 10.5 ft at 7:45PM Apr 13, 2024Observed: 10.5 ft at 8:00PM Apr 13, 2024Observed: 10.43 ft at 8:15PM Apr 13, 2024Observed: 10.39 ft at 8:30PM Apr 13, 2024Observed: 10.41 ft at 8:45PM Apr 13, 2024Observed: 10.34 ft at 9:00PM Apr 13, 2024Observed: 10.32 ft at 9:15PM Apr 13, 2024Observed: 10.28 ft at 9:30PM Apr 13, 2024Observed: 10.29 ft at 9:45PM Apr 13, 2024Observed: 10.24 ft at 10:00PM Apr 13, 2024Observed: 10.22 ft at 10:15PM Apr 13, 2024Observed: 10.2 ft at 10:30PM Apr 13, 2024Observed: 10.16 ft at 10:45PM Apr 13, 2024Observed: 10.13 ft at 11:00PM Apr 13, 2024Observed: 10.1 ft at 11:15PM Apr 13, 2024Observed: 10.11 ft at 11:30PM Apr 13, 2024Observed: 10.03 ft at 11:45PM Apr 13, 2024Observed: 10.04 ft at 12:00AM Apr 14, 2024Observed: 10.07 ft at 12:15AM Apr 14, 2024Observed: 10 ft at 12:30AM Apr 14, 2024Observed: 9.95 ft at 12:45AM Apr 14, 2024Observed: 9.95 ft at 1:00AM Apr 14, 2024Observed: 9.94 ft at 1:15AM Apr 14, 2024Observed: 9.89 ft at 1:30AM Apr 14, 2024Observed: 9.86 ft at 1:45AM Apr 14, 2024Observed: 9.88 ft at 2:00AM Apr 14, 2024Observed: 9.82 ft at 2:15AM Apr 14, 2024Observed: 9.81 ft at 2:30AM Apr 14, 2024Observed: 9.8 ft at 2:45AM Apr 14, 2024Observed: 9.77 ft at 3:00AM Apr 14, 2024Observed: 9.76 ft at 3:15AM Apr 14, 2024Observed: 9.72 ft at 3:30AM Apr 14, 2024Observed: 9.66 ft at 3:45AM Apr 14, 2024Observed: 9.69 ft at 4:00AM Apr 14, 2024Observed: 9.66 ft at 4:15AM Apr 14, 2024Observed: 9.63 ft at 4:30AM Apr 14, 2024Observed: 9.63 ft at 4:45AM Apr 14, 2024Observed: 9.59 ft at 5:00AM Apr 14, 2024Observed: 9.58 ft at 5:15AM Apr 14, 2024Observed: 9.6 ft at 5:30AM Apr 14, 2024Observed: 9.53 ft at 5:45AM Apr 14, 2024Observed: 9.53 ft at 6:00AM Apr 14, 2024Observed: 9.54 ft at 6:15AM Apr 14, 2024Observed: 9.48 ft at 6:30AM Apr 14, 2024Observed: 9.45 ft at 6:45AM Apr 14, 2024Observed: 9.4 ft at 7:00AM Apr 14, 2024Observed: 9.42 ft at 7:15AM Apr 14, 2024Observed: 9.38 ft at 7:30AM Apr 14, 2024Observed: 9.38 ft at 7:45AM Apr 14, 2024Observed: 9.36 ft at 8:00AM Apr 14, 2024Observed: 9.28 ft at 8:15AM Apr 14, 2024Observed: 9.28 ft at 8:30AM Apr 14, 2024Observed: 9.3 ft at 8:45AM Apr 14, 2024Observed: 9.28 ft at 9:00AM Apr 14, 2024Observed: 9.28 ft at 9:15AM Apr 14, 2024Observed: 9.23 ft at 9:30AM Apr 14, 2024Observed: 9.19 ft at 9:45AM Apr 14, 2024Observed: 9.19 ft at 10:00AM Apr 14, 2024Observed: 9.14 ft at 10:15AM Apr 14, 2024Observed: 9.16 ft at 10:30AM Apr 14, 2024Observed: 9.14 ft at 10:45AM Apr 14, 2024Observed: 9.1 ft at 11:00AM Apr 14, 2024Observed: 9.05 ft at 11:15AM Apr 14, 2024Observed: 9.04 ft at 11:30AM Apr 14, 2024Observed: 9.06 ft at 11:45AM Apr 14, 2024Observed: 9.05 ft at 12:00PM Apr 14, 2024Observed: 9.02 ft at 12:15PM Apr 14, 2024Observed: 9 ft at 12:30PM Apr 14, 2024Observed: 8.98 ft at 12:45PM Apr 14, 2024Observed: 8.92 ft at 1:00PM Apr 14, 2024Observed: 8.9 ft at 1:15PM Apr 14, 2024Observed: 8.88 ft at 1:30PM Apr 14, 2024Observed: 8.9 ft at 1:45PM Apr 14, 2024Observed: 8.85 ft at 2:00PM Apr 14, 2024Observed: 8.79 ft at 2:15PM Apr 14, 2024Observed: 8.79 ft at 2:30PM Apr 14, 2024Observed: 8.81 ft at 2:45PM Apr 14, 2024Observed: 8.74 ft at 3:00PM Apr 14, 2024Observed: 8.77 ft at 3:15PM Apr 14, 2024Observed: 8.72 ft at 3:30PM Apr 14, 2024Observed: 8.67 ft at 3:45PM Apr 14, 2024Observed: 8.63 ft at 4:00PM Apr 14, 2024Observed: 8.64 ft at 4:15PM Apr 14, 2024Observed: 8.62 ft at 4:30PM Apr 14, 2024Observed: 8.57 ft at 4:45PM Apr 14, 2024Observed: 8.59 ft at 5:00PM Apr 14, 2024Observed: 8.54 ft at 5:15PM Apr 14, 2024Observed: 8.49 ft at 5:30PM Apr 14, 2024Observed: 8.47 ft at 5:45PM Apr 14, 2024Observed: 8.43 ft at 6:00PM Apr 14, 2024Observed: 8.39 ft at 6:15PM Apr 14, 2024Observed: 8.34 ft at 6:30PM Apr 14, 2024Observed: 8.32 ft at 6:45PM Apr 14, 2024Observed: 8.32 ft at 7:00PM Apr 14, 2024Observed: 8.25 ft at 7:15PM Apr 14, 2024Observed: 8.22 ft at 7:30PM Apr 14, 2024Observed: 8.18 ft at 7:45PM Apr 14, 2024Observed: 8.18 ft at 8:00PM Apr 14, 2024Observed: 8.1 ft at 8:15PM Apr 14, 2024Observed: 8.13 ft at 8:30PM Apr 14, 2024Observed: 8.07 ft at 8:45PM Apr 14, 2024Observed: 8.02 ft at 9:00PM Apr 14, 2024Observed: 7.98 ft at 9:15PM Apr 14, 2024Observed: 7.94 ft at 9:30PM Apr 14, 2024Observed: 7.9 ft at 9:45PM Apr 14, 2024Observed: 7.9 ft at 10:00PM Apr 14, 2024Observed: 7.85 ft at 10:15PM Apr 14, 2024Observed: 7.86 ft at 10:30PM Apr 14, 2024Observed: 7.76 ft at 10:45PM Apr 14, 2024Observed: 7.72 ft at 11:00PM Apr 14, 2024Observed: 7.73 ft at 11:15PM Apr 14, 2024Observed: 7.67 ft at 11:30PM Apr 14, 2024Observed: 7.63 ft at 11:45PM Apr 14, 2024Observed: 7.58 ft at 12:00AM Apr 15, 2024Observed: 7.54 ft at 12:15AM Apr 15, 2024Observed: 7.23 ft at 2:30AM Apr 15, 2024Observed: 7.18 ft at 2:45AM Apr 15, 2024Observed: 7.17 ft at 3:00AM Apr 15, 2024Observed: 7.12 ft at 3:15AM Apr 15, 2024Observed: 7.08 ft at 3:30AM Apr 15, 2024Observed: 7.04 ft at 3:45AM Apr 15, 2024Observed: 7.05 ft at 4:00AM Apr 15, 2024Observed: 6.96 ft at 4:15AM Apr 15, 2024Observed: 6.94 ft at 4:30AM Apr 15, 2024Observed: 6.88 ft at 4:45AM Apr 15, 2024Observed: 6.85 ft at 5:00AM Apr 15, 2024Observed: 6.87 ft at 5:15AM Apr 15, 2024Observed: 6.81 ft at 5:30AM Apr 15, 2024Observed: 6.78 ft at 5:45AM Apr 15, 2024Observed: 6.74 ft at 6:00AM Apr 15, 2024Observed: 6.66 ft at 6:15AM Apr 15, 2024Observed: 6.6 ft at 6:30AM Apr 15, 2024Observed: 6.61 ft at 6:45AM Apr 15, 2024Observed: 6.63 ft at 7:00AM Apr 15, 2024Observed: 6.57 ft at 7:15AM Apr 15, 2024Observed: 6.53 ft at 7:30AM Apr 15, 2024Observed: 6.5 ft at 7:45AM Apr 15, 2024Observed: 6.46 ft at 8:00AM Apr 15, 2024Observed: 6.41 ft at 8:15AM Apr 15, 2024Observed: 6.33 ft at 9:30AM Apr 15, 2024Observed: 6.29 ft at 9:45AM Apr 15, 2024Observed: 6.25 ft at 10:00AM Apr 15, 2024Observed: 6.21 ft at 10:15AM Apr 15, 2024Observed: 6.17 ft at 10:30AM Apr 15, 2024Observed: 6.14 ft at 10:45AM Apr 15, 2024Observed: 6.08 ft at 11:00AM Apr 15, 2024Observed: 6.06 ft at 11:15AM Apr 15, 2024Observed: 6 ft at 11:30AM Apr 15, 2024Observed: 6 ft at 11:45AM Apr 15, 2024Observed: 5.95 ft at 12:00PM Apr 15, 2024Observed: 5.89 ft at 12:15PM Apr 15, 2024Observed: 5.89 ft at 12:30PM Apr 15, 2024Observed: 5.86 ft at 12:45PM Apr 15, 2024Observed: 5.82 ft at 1:00PM Apr 15, 2024Observed: 5.78 ft at 1:15PM Apr 15, 2024Observed: 5.75 ft at 1:30PM Apr 15, 2024Observed: 5.72 ft at 1:45PM Apr 15, 2024Observed: 5.7 ft at 2:00PM Apr 15, 2024Observed: 5.68 ft at 2:15PM Apr 15, 2024Observed: 5.66 ft at 2:30PM Apr 15, 2024Observed: 5.63 ft at 2:45PM Apr 15, 2024Observed: 5.6 ft at 3:00PM Apr 15, 2024Observed: 5.59 ft at 3:15PM Apr 15, 2024Observed: 5.58 ft at 3:30PM Apr 15, 2024Observed: 5.57 ft at 3:45PM Apr 15, 2024Observed: 5.54 ft at 4:00PM Apr 15, 2024Observed: 5.52 ft at 4:15PM Apr 15, 2024Observed: 5.49 ft at 4:30PM Apr 15, 2024Observed: 5.48 ft at 4:45PM Apr 15, 2024Observed: 5.45 ft at 5:00PM Apr 15, 2024Observed: 5.47 ft at 5:15PM Apr 15, 2024Observed: 5.44 ft at 5:30PM Apr 15, 2024Observed: 5.42 ft at 5:45PM Apr 15, 2024Observed: 5.43 ft at 6:00PM Apr 15, 2024Observed: 5.41 ft at 6:15PM Apr 15, 2024Observed: 5.41 ft at 6:30PM Apr 15, 2024Observed: 5.38 ft at 6:45PM Apr 15, 2024Observed: 5.38 ft at 7:00PM Apr 15, 2024Observed: 5.36 ft at 7:15PM Apr 15, 2024Observed: 5.35 ft at 7:30PM Apr 15, 2024Observed: 5.34 ft at 7:45PM Apr 15, 2024Observed: 5.34 ft at 8:00PM Apr 15, 2024Observed: 5.31 ft at 8:15PM Apr 15, 2024Observed: 5.31 ft at 8:30PM Apr 15, 2024Observed: 5.28 ft at 8:45PM Apr 15, 2024Observed: 5.27 ft at 9:00PM Apr 15, 2024Observed: 5.25 ft at 9:15PM Apr 15, 2024Observed: 5.25 ft at 9:30PM Apr 15, 2024Observed: 5.22 ft at 9:45PM Apr 15, 2024Observed: 5.23 ft at 10:00PM Apr 15, 2024Observed: 5.21 ft at 10:15PM Apr 15, 2024Observed: 5.19 ft at 10:30PM Apr 15, 2024Observed: 5.18 ft at 10:45PM Apr 15, 2024Observed: 5.14 ft at 11:00PM Apr 15, 2024Observed: 5.17 ft at 11:15PM Apr 15, 2024Observed: 5.15 ft at 11:30PM Apr 15, 2024Observed: 5.12 ft at 11:45PM Apr 15, 2024Observed: 5.11 ft at 12:00AM Apr 16, 2024Observed: 5.1 ft at 12:15AM Apr 16, 2024Observed: 5.06 ft at 12:30AM Apr 16, 2024Observed: 5.06 ft at 12:45AM Apr 16, 2024Observed: 5.07 ft at 1:00AM Apr 16, 2024Observed: 5.07 ft at 1:15AM Apr 16, 2024Observed: 5.02 ft at 1:30AM Apr 16, 2024Observed: 5.02 ft at 1:45AM Apr 16, 2024Observed: 5.02 ft at 2:00AM Apr 16, 2024Observed: 4.98 ft at 2:15AM Apr 16, 2024Observed: 4.99 ft at 2:30AM Apr 16, 2024Observed: 4.98 ft at 2:45AM Apr 16, 2024Observed: 4.96 ft at 3:00AM Apr 16, 2024Observed: 4.94 ft at 3:15AM Apr 16, 2024Observed: 4.97 ft at 3:30AM Apr 16, 2024Observed: 4.91 ft at 3:45AM Apr 16, 2024Observed: 4.94 ft at 4:00AM Apr 16, 2024Observed: 4.93 ft at 4:15AM Apr 16, 2024Observed: 4.93 ft at 4:30AM Apr 16, 2024Observed: 4.93 ft at 4:45AM Apr 16, 2024Observed: 4.94 ft at 5:00AM Apr 16, 2024Observed: 4.9 ft at 5:15AM Apr 16, 2024Observed: 4.88 ft at 5:30AM Apr 16, 2024Observed: 4.94 ft at 5:45AM Apr 16, 2024Observed: 4.94 ft at 6:00AM Apr 16, 2024Observed: 4.94 ft at 6:15AM Apr 16, 2024Observed: 4.94 ft at 7:30AM Apr 16, 2024Observed: 4.97 ft at 7:45AM Apr 16, 2024Observed: 4.95 ft at 8:00AM Apr 16, 2024Observed: 4.97 ft at 8:15AM Apr 16, 2024Observed: 4.92 ft at 8:30AM Apr 16, 2024Observed: 4.94 ft at 8:45AM Apr 16, 2024Observed: 4.95 ft at 9:00AM Apr 16, 2024Observed: 4.96 ft at 9:15AM Apr 16, 2024Observed: 4.97 ft at 9:30AM Apr 16, 2024Observed: 5 ft at 9:45AM Apr 16, 2024Observed: 4.97 ft at 10:00AM Apr 16, 2024Observed: 4.98 ft at 10:15AM Apr 16, 2024Observed: 4.98 ft at 10:30AM Apr 16, 2024Observed: 4.97 ft at 10:45AM Apr 16, 2024Observed: 5.01 ft at 11:00AM Apr 16, 2024Observed: 5.02 ft at 11:15AM Apr 16, 2024Observed: 5.01 ft at 11:30AM Apr 16, 2024Observed: 5.01 ft at 11:45AM Apr 16, 2024Observed: 5.04 ft at 12:00PM Apr 16, 2024Observed: 5.03 ft at 12:15PM Apr 16, 2024Observed: 5.06 ft at 12:30PM Apr 16, 2024Observed: 5.03 ft at 12:45PM Apr 16, 2024Observed: 5.03 ft at 1:00PM Apr 16, 2024Observed: 5.06 ft at 1:15PM Apr 16, 2024Observed: 5.03 ft at 1:30PM Apr 16, 2024Observed: 5.04 ft at 1:45PM Apr 16, 2024Observed: 5.05 ft at 2:00PM Apr 16, 2024Observed: 5.07 ft at 2:15PM Apr 16, 2024USGS--Water Resources of the United StatesYGWO1(plotting HGIRG) Graph Created (3:03PM Apr 16, 2024)ObservedLatest observed value: 5.07 ft at 2:15 PM EDT 16-Apr-2024. Flood Stage is 14 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Mahoning River at Youngstown are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Lowellville
Flood Categories (in feet)
Major Flood Stage: 20.5
Moderate Flood Stage: 16
Flood Stage: 14
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 26.50 ft on 03/26/1913
(2) 18.60 ft on 01/22/1959
(3) 17.49 ft on 07/23/2003
(4) 16.59 ft on 02/18/2022 (P)
(5) 16.30 ft on 03/02/1910
(6) 15.91 ft on 05/23/2004
(7) 15.80 ft on 02/28/2011
(8) 15.44 ft on 04/13/1994
(9) 15.23 ft on 02/06/2008
(10) 14.92 ft on 01/25/1937
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.59 ft on 02/18/2022 (P)
(2) 14.31 ft on 04/17/2018
(3) 14.73 ft on 01/13/2017
(4) 12.51 ft on 07/12/2013
(5) 15.80 ft on 02/28/2011
(6) 12.10 ft on 03/09/2009
(7) 15.23 ft on 02/06/2008
(8) 10.30 ft on 03/15/2007
(9) 12.40 ft on 03/02/2007
(10) 14.05 ft on 01/06/2005
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
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
26 FEMA 0.2 percent flood level.
22 Record flooding can be expected from Youngstown to Lowelville. Industrial areas along the Mahoning River will be completely inundated.
21 FEMA 1 percent flood level.
20.5 Niles split in half by flood waters. In Girard Mill Street, Front Street, River Street, and Liberty Street inundated. The Youngstown water department is flooded. Major flooding will occur in industrial areas east of U.S. 680. Floodwaters may reach depths of two to four feet along railraod tracks in this area.
20 River gage flooded.
18 In Niles water inundates over Water Street, West State Street, Butler Avenue, First and Second Streets, and North Main Street. The Meander Creek backup is likely to flood southern portions of town. Homes and businesses south of Walnut Street and East Park Avenue inundated. Homes inundated in Girard along River and Front Streets. In Youngstown portions of eastern Marshall and Mahoning Avenue inundated just north of Highway 680.
17 In Niles State Route 46 flooded and the West Park Avenue Bridge north to the Warren Township line inundated. Belmont Avenue extension inundated near Price Avenue. Meander Creek backup likely to flood McKees Lane and Main Street. The western portion of Youngstown near Austintown floods near Salt Springs Road and Division Street. The eastside of Youngstown along Wilson Avenue north to the city limits is inundated.
16 Roads near the river in Girard and Niles in southern Trumbull County inundated. These include First and Second Streets in Niles, and River and Front Streets in Girard. Businesses south of Olive Street in McDonald inundated. Lowland in Mahoning County inundated.
15 Water inundates property on River and Front Streets in Girard. In Niles State Route 46 flooded and First Street begins to inundate. In Mahoning County flooding will spread into industrial areas along the river.
14 River inundates lowland near the river. Some basement flooding possible.
12 River at bankfull.
About This Location Collapse

Latitude: 41.105058° N, Longitude: 80.662580° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 14 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 823.51 837.51 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 10 day graphics.

Click individual graphics to enlarge.
Resources Collapse
Hydrologic Resources Additional Resources
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
Cleveland Weather Forecast Office
925 Keynote Circle, Suite #314
Brooklyn Heights, OH 44131
(216) 416-2900
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities