Mahoning River at Youngstown

Last updated: Jul 20, 2025, 3:39 AM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 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.

Gauge Info

Coordinates 41.1053, -80.6656
RFC OHRFC
State OH
WFO CLE
County Mahoning
Data Provider(s)
US Geological Survey USGS--Water Resources of the United States
USGS 03098600

Gauge Location

Recent Crests

1. 14.37 ft on 04-03-2024
2. 16.59 ft on 02-18-2022
3. 10.16 ft on 05-10-2021
4. 12.53 ft on 03-29-2020
5. 13.62 ft on 06-17-2019

Historic Crests

1. 26.50 ft on 03-26-1913 1
2. 18.60 ft on 01-22-1959 1
3. 17.49 ft on 07-23-2003
4. 16.59 ft on 02-18-2022
5. 16.30 ft on 03-02-1910

Vertical Datum Table

type NAVD88
major Flooding 844.01 ft
moderate Flooding 839.51 ft
minor Flooding 837.51 ft
action 833.51 ft
Latest Value 827.04 ft
Gauge Zero 823.51 ft

Gauge Photos

No Images Found

Probability Information

Photo 1 of 3

Unique Local Info

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.

Collaborative Agencies

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.

WFO Information

Weather Forecast Office
Cleveland
925 Keynote Circle, Suite #314
Brooklyn Heights, OH 44131
Official Homepage