Lake Shelbyville Conditions
Track the latest lake metrics before heading out. Values can be updated manually or refreshed from official data sources.
Last update: August 12, 2026 9:10 am
Current conditions and essential information at a glance.
Inundation Maps
Currently not available
Water Temperature at Depth (Thermocline)
22-38
ft
Normal
Discharge Rates (Outflow)
1,160
cfs
Normal
7-day average: 1,548 cfs. 14-day forecast avg: 846 cfs (peak: 1,210 cfs).
Boat Ramp Status
Currently not available
General facts and technical data for planning fishing and camping trips.
Surface Area
48,177,761
acres
Maximum Depth
65
feet
Normal Pool Level
708
feet above sea level
Primary Fish Species
Largemouth Bass, Catfish, Crappie
Lake Shelbyville is a major central Illinois reservoir that supports flood control, recreation, and water supply. Use current conditions with local safety guidance before planning water activities.
A quick angler snapshot with the most useful planning points.
Lake Shelbyville offers year-round opportunities for bass, crappie, walleye, catfish, and white bass. Focus on structure, fish seasonal windows, and adapt bait to target species.
LAKE SHELBYVILLE FISHING GUIDE Read Journal Experience Fishing with Steve Welch
Discharge Rates (Outflow)
1,160
cfs
Normal
7-day average: 1,548 cfs. 14-day forecast avg: 846 cfs (peak: 1,210 cfs).
Water Temperature at Depth (Thermocline)
22-38
ft
Normal
Turbidity / Clarity (Secchi)
4-8
ft
Normal
Semi-static metric; update manually using periodic Secchi sampling from Water Quality Portal.
Dissolved Oxygen (DO)
8.3
mg/L tailwater
Good
Tailwater DO proxy (below dam), not in-lake DO. Use as context only.
Submerged Structure Maps
Fish attractors, timber, old roadbeds
Normal
Static reference metric. Maintain map links/notes manually (USACE and local map resources).
Boat Ramp Status
Currently not available
Beach & Swimming Status
Open
Good
Static/manual metric. Update from Illinois EPA or local advisories (E. coli/algae).
Wind Speed & Wave Height
10.0 / N/A
mph / ft
Normal
Dynamic wind from Open-Meteo. Wave height is currently unavailable for this location.
Inundation Maps
Currently not available
Josephine Cochrane (sometimes spelled Cochran) invented the first commercially successful dishwasher in 1886 in Shelbyville, Illinois, to protect her fine china. Motivated to stop servants from chipping dishes, she designed a machine using water pressure rather than scrubbers. She patented it on Dec. 28, 1886.
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