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This probabilistic forecast is issued by the Ohio River Forecast Center.
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About this graph
Forecasts for the Big Blue River (IN) at Shelbyville are issued as needed during times of high water, but are not routinely available.
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Downstream Gauge Downstream Gauge - near Edinburgh
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 18
Moderate Flood Stage: 15
Flood Stage: 13
Action Stage: 9
Low Flow (in KCFS): 0.04

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 01/25/1937
(5) 18.30 ft on 01/12/1937
(6) 18.30 ft on 12/23/2013
(7) 18.06 ft on 04/04/2018 (P)
(8) 18.03 ft on 12/31/1990
(9) 17.70 ft on 03/05/1963
(10) 17.10 ft on 04/21/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.22 ft on 07/18/2021 (P)
(2) 14.17 ft on 03/20/2020 (P)
(3) 15.67 ft on 01/12/2020 (P)
(4) 16.19 ft on 06/17/2019
(5) 16.72 ft on 02/08/2019
(6) 14.67 ft on 11/03/2018
(7) 15.81 ft on 09/10/2018
(8) 18.06 ft on 04/04/2018 (P)
(9) 15.02 ft on 02/26/2018 (P)
(10) 13.58 ft on 11/06/2017 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
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.
18 Major flood strikes Shelbyville.
17 Extensive flooding along left bank affects business and residential property along Boggstown Road. Rural flooding of a few homes near CR 100N and Boggstown Road on April 21, 2011.
16.3 Extensive flooding occurring along Big Blue River. Several residences in Shelbyville had water in their yards on March 6, 2011. One day later extensive flooding at mile marker 82.5 in the Edinburgh area. Several homes along Sugar Creek were evacuated when the level peaked at nine ft on the New Palestine gage one day earlier.
15 High water affects trucking firm on Boggstown Road.
14 Flooding begins to affect business and residential property. West Washington Avenue east of rendering plant begins to flood. In winter and spring, persons are not too concerned. This level is rather unusual for summer.
13.5 Flooding affects Boggstown Road near sewage plant. Considerable flooding of agricultural fields south of Boggstown Road. Lowland flooding occurring along the Big Blue River in Johnson County.
13 Flood Stage. Water reaches CR 425W. Some agricultural land and extremely low-lying areas like Bear Chase golf course are flooded.
12.5 Right bank 50 feet upstream of gage site overflows.
12 Lowland flooding begins in Sunset Park on left bank about one-half downstream of gage site. Water very near and may start flowing over Shelby CR 425W south of Shelby CR 50S and north of Shelby CR 100S.
11 Flooding begins at Bear Chase Golf Course. Lowland flooding begins in Sunset Park located on left bank about one-half mile downstream of gage site. Flood waters in agricultural fields in SR 44 area.
9 River is near bankfull and impairing sewage treatment operation. Some flooding is likely in southwest Shelby county.
Photos
(1) Confluence of Little Blue and Big Blue Rivers. River stage 11.6 feet.
(2) Looking west southwest from North Noble Street. River stage 11.6 feet
(3) Looking northeast from CSX RR bridge. River stage 11.6 feet
(4) Looking towards SR 9 bridge from CSX RR bridge. River stage 11.6 feet
(5) Looking towards CSX RR bridge from SR 9 bridge. River stage 11.6 feet
(6) Looking west southwest from SR 9 bridge. River stage 11.6 feet
(7) Looking east from gage site. River stage 11.6 feet
(8) Looking north from gage site. River stage 11.6 feet
(9) Looking west northwest from gage site. River stage 11.6 feet
(10) Looking west northwest along River Road at gage site. The road is a levee.
(11) Looking north at Boggstown Road from Sunset Park. River is 11.6 feet.
(12) Looking southwest from Shelbyville Public Access Site. River is 11.6 feet.
(13) Looking northwest from auto salvage yard on River Road. River is 11.6 feet.
(14) Looking northwest along CR 425W. River is 11.6 feet in Shelbyville..
(15) Looking north from SR 44 bridge. River is 11.6 feet in Shelbyville..
(16) Looking northeast from SR 44 bridge. River is 11.6 feet in Shelbyville..
(17) Looking south from SR 44 bridge. River is 11.6 feet in Shelbyville..

Other Real-time and/or Archive Data Sources:
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) 7 Day (NAEFS) 7 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 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
Indianapolis Weather Forecast Office
6900 West Hanna Ave.
Indianapolis, IN 46241
(317) 856-0360
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