Big Blue River (IN) at Shelbyville

Last updated: Apr 1, 2025, 12:53 PM UTC
Flood Watch

Flood Impacts 🅘

  • 23.9 - Low steel of Harrison Street Bridge over the Big Blue River at gaging site.
  • 20 - Near record or record flooding is in progress. Major flooding causes substantial residential and business damage in Shelbyville.
  • 19.5 - Maximum good reading before wellhouse is flooded.

Gauge Info

Coordinates 39.5292, -85.7775
RFC OHRFC
State IN
WFO IND
County Shelby
Data Provider(s)
US Geological Survey USGS--Water Resources of the United States
USGS 03361500

Gauge Location

Recent Crests

1. 13.48 ft on 04-03-2024 (P)
2. 14.34 ft on 03-26-2023 (P)
3. 14.92 ft on 03-08-2022 (P)
4. 14.22 ft on 07-18-2021 (P)
5. 14.17 ft on 03-20-2020 (P)

Historic Crests

1. 20.20 ft on 03-28-1913
2. 18.43 ft on 01-06-2005
3. 18.41 ft on 11-15-1993
4. 18.30 ft on 01-12-1937
5. 18.30 ft on 01-25-1937

Vertical Datum Table

type NAVD88
major Flooding 755.21 ft
moderate Flooding 752.21 ft
minor Flooding 750.21 ft
action 746.21 ft
Latest Value 743.25 ft
Gauge Zero 737.21 ft

Gauge Photos

Photo 1 of 17

Looking south from SR 44 bridge. River is 11.6 feet in Shelbyville..

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 72 hours.

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
Indianapolis
6900 West Hanna Ave.
Indianapolis, IN 46241
Official Homepage