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Lake Shelbyville Water Level Today

Daily level, distance to full pool and history for Lake Shelbyville, on the Kaskaskia River in Illinois.

Updated · Source: US Army Corps of EngineersUSACE Provisional

Water level Provisional

599.18ft

msl · 8:30 PM CST, Nov 7, 2026

  • 0.52 ftbelow full pool (599.7 ft)
  • 194,547acre-ft in storage
  • −0.03 ftin 24 h−0.11 ft in 7 days−0.45 ft in 30 days
596598600602596598600602596598600602
  • Full pool
  • 1 yr ago

Is Lake Shelbyville full?

No. Lake Shelbyville is 0.52 ft below full pool (599.7 ft). It is 2.03 ft higher than a year ago (597.15 ft on Nov 7, 2025).

Lake Shelbyville level history

Full pool 599.7 ft
View data table
DateLevel (ft)% full
Nov 7, 2026599.18—
Nov 6, 2026599.23—
Nov 5, 2026599.22—
Nov 4, 2026599.24—
Nov 3, 2026599.22—
Nov 2, 2026599.25—
Nov 1, 2026599.27—
Oct 31, 2026599.29—
Oct 30, 2026599.31—
Oct 29, 2026599.31—
Oct 28, 2026599.33—
Oct 27, 2026599.35—
Oct 26, 2026599.36—
Oct 25, 2026599.38—
Oct 24, 2026599.39—
Oct 23, 2026599.41—
Oct 22, 2026599.42—
Oct 21, 2026599.44—
Oct 20, 2026599.46—
Oct 19, 2026599.47—
Oct 18, 2026599.48—
Oct 17, 2026599.52—
Oct 16, 2026599.55—
Oct 15, 2026599.53—
Oct 14, 2026599.53—
Oct 13, 2026599.53—
Oct 12, 2026599.55—
Oct 11, 2026599.58—
Oct 10, 2026599.59—
Oct 9, 2026599.61—
Oct 8, 2026599.63—
  • Lake Shelbyville level
  • Full pool 599.7 ft
  • Above full pool
Source: USACE · Daily averages since 1971

Lake Shelbyville on Nov 7 in past years

Lake Shelbyville water level on Nov 7 in past years
YearLevel (ft)vs todayvs full pool
2026today599.18—−0.52 ft
2025597.15−2.03−2.55 ft
2024598.92−0.26−0.78 ft
2023598.88−0.30−0.82 ft
2022598.90−0.28−0.80 ft
2021607.39+8.21+7.69 ft
2020599.76+0.58+0.06 ft
2019600.48+1.30+0.78 ft
2018600.42+1.24+0.72 ft
2017599.83+0.65+0.13 ft
2016600.12+0.94+0.42 ft

Today’s level is the highest for this date since 2021.

Lake facts

Full pool (conservation pool)
599.7 ft msl
Seasonal target today
594.6 ft+4.54 ft vs target
Summer / winter pool
599.7 / 594.0 ft
Top of flood pool
626.5 ft msl
Bottom of conservation pool
573.0 ft msl
Record high
620.53 ftJun 29, 1974
Record low
590.00 ftDec 1, 1974
Data since
Feb 11, 1971
Dam
Shelbyville Damcompleted 1970
River
Kaskaskia River
Operated by
US Army Corps of Engineers, St. Louis District
Dam location
Shelby County
Gauge location
39.4090, −88.7801

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Feb 11, 1971 to today (daily averages).

Kaskaskia River chain

UpstreamKaskaskia RiverDownstream
  1. Lake Shelbyville599.18 ft −0.52 ft vs full poolYou are here
  2. Carlyle Lake444.77 ft −0.23 ft vs full pool

Weather on the lake

  1. Tonight30°FLowWSW 1–5 mphMostly Clear
  2. Sunday61°FHighLow 34°FWSW 5–9 mphSunny
  3. Monday63°FHighLow 40°FWSW 0–5 mphSunny
  4. Tuesday67°FHighLow 40°FW 5 mphSunny
  5. Wednesday63°FHighLow 39°FNNW 1–6 mphPartly Sunny then Chance Light Rain
  6. Thursday52°FHighLow 31°FN 9–14 mphMostly Sunny
  7. Friday49°FHighLow 30°FNNW 5–8 mphMostly Sunny

Forecast: National Weather Service for the dam area (39.41, −88.78). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Lake Shelbyville?
599.7 ft above mean sea level, the top of its conservation pool. Above it, water is held in the flood pool (up to 626.5 ft) and released through Shelbyville Dam when conditions downstream allow.
How much does Lake Shelbyville need to be full?
Lake Shelbyville needs 0.52 ft more water to reach full pool (599.7 ft), as of Nov 7, 2026.
Is Lake Shelbyville rising or falling?
It is falling: −0.11 ft in the last 7 days and −0.03 ft in 24 hours, to 599.18 ft on 8:30 PM CST, Nov 7, 2026 (US Army Corps of Engineers).
When was Lake Shelbyville last full?
It was last at or above full pool (599.7 ft) on Oct 5, 2026. On Nov 7, 2026 it was 0.52 ft below.
What was the highest level ever recorded?
Lake Shelbyville reached 620.53 ft on Jun 29, 1974. The lowest was 590.00 ft on Dec 1, 1974 (USACE data since 1971).
How much has Lake Shelbyville changed in the last year?
In the last 12 months it ranged from 594.01 ft (Feb 10, 2026) to 610.31 ft (Jun 28, 2026), a swing of 16.30 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from US Army Corps of Engineers. The last reading is from 8:30 PM CST, Nov 7, 2026.

Where this data comes from

Hourly pool elevation from the US Army Corps of Engineers (water.usace.army.mil). Recent readings are provisional and may be revised. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.