Carlyle Lake Water Level Today

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

Updated · Source: US Army Corps of EngineersUSACE Provisional

Water level Provisional

444.77ft

msl · 8:30 PM CST, Nov 7, 2026

  • 0.23 ftbelow full pool (445.0 ft)
  • 237,063acre-ft in storage
  • −0.03 ftin 24 h−0.12 ft in 7 days−0.36 ft in 30 days
444446448444446448444446448
  • Full pool
  • 1 yr ago

Is Carlyle Lake full?

No. Carlyle Lake is 0.23 ft below full pool (445.0 ft). It is 0.64 ft higher than a year ago (444.13 ft on Nov 7, 2025).

Carlyle Lake level history

Full pool 445.0 ft
View data table
DateLevel (ft)% full
Nov 7, 2026444.77—
Nov 6, 2026444.82—
Nov 5, 2026444.78—
Nov 4, 2026444.81—
Nov 3, 2026444.77—
Nov 2, 2026444.83—
Nov 1, 2026444.86—
Oct 31, 2026444.89—
Oct 30, 2026444.91—
Oct 29, 2026444.90—
Oct 28, 2026444.92—
Oct 27, 2026444.94—
Oct 26, 2026444.96—
Oct 25, 2026444.97—
Oct 24, 2026444.99—
Oct 23, 2026445.01—
Oct 22, 2026445.01—
Oct 21, 2026445.03—
Oct 20, 2026445.04—
Oct 19, 2026445.05—
Oct 18, 2026445.05—
Oct 17, 2026445.08—
Oct 16, 2026445.09—
Oct 15, 2026445.10—
Oct 14, 2026445.09—
Oct 13, 2026445.03—
Oct 12, 2026445.05—
Oct 11, 2026445.08—
Oct 10, 2026445.10—
Oct 9, 2026445.11—
Oct 8, 2026445.13—
  • Carlyle Lake level
  • Full pool 445.0 ft
  • Above full pool
Source: USACE · Daily averages since 1965

Carlyle Lake on Nov 7 in past years

Carlyle Lake water level on Nov 7 in past years
YearLevel (ft)vs todayvs full pool
2026today444.77—−0.23 ft
2025444.13−0.64−0.87 ft
2024445.88+1.11+0.88 ft
2023444.74−0.03−0.26 ft
2022444.84+0.07−0.16 ft
2021445.47+0.70+0.47 ft
2020445.31+0.54+0.31 ft
2019446.93+2.16+1.93 ft
2018446.17+1.40+1.17 ft
2017444.54−0.23−0.46 ft
2016445.16+0.39+0.16 ft

Today’s level is the highest for this date since 2024.

Lake facts

Full pool (conservation pool)
445.0 ft msl
Seasonal target today
443.2 ft+1.55 ft vs target
Summer / winter pool
445.0 / 443.0 ft
Top of flood pool
462.5 ft msl
Bottom of conservation pool
429.5 ft msl
Record high since 1967
459.78 ftMay 18, 2002
Record low since 1967
430.27 ftMar 27, 1968
Data since
Aug 27, 1965
Dam
Carlyle Damcompleted 1966
River
Kaskaskia River
Dam location
Clinton County
Gauge location
38.6181, −89.3511

Dam, river and owner from the National Inventory of Dams (USACE). Records start in 1967, after the first filling of the reservoir.

Kaskaskia River chain

UpstreamKaskaskia RiverDownstream
  1. Lake Shelbyville599.18 ft −0.52 ft vs full pool

Weather on the lake

  1. Tonight32°FLowSW 5 mphMostly Clear
  2. Sunday63°FHighLow 36°FW 5–10 mphSunny
  3. Monday65°FHighLow 41°FW 0–3 mphSunny
  4. Tuesday69°FHighLow 42°FW 1–5 mphSunny
  5. Wednesday66°FHighLow 42°FW 1–7 mphMostly Sunny then Chance Light Rain
  6. Thursday55°FHighLow 33°FN 13–18 mphMostly Sunny
  7. Friday51°FHighLow 32°FN 6–10 mphMostly Sunny

Forecast: National Weather Service for the dam area (38.62, −89.35). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Carlyle Lake?
445.0 ft above mean sea level, the top of its conservation pool. Above it, water is held in the flood pool (up to 462.5 ft) and released through Carlyle Dam when conditions downstream allow.
How much does Carlyle Lake need to be full?
Carlyle Lake needs 0.23 ft more water to reach full pool (445.0 ft), as of Nov 7, 2026.
Is Carlyle Lake rising or falling?
It is falling: −0.12 ft in the last 7 days and −0.03 ft in 24 hours, to 444.77 ft on 8:30 PM CST, Nov 7, 2026 (US Army Corps of Engineers).
When was Carlyle Lake last full?
It was last at or above full pool (445.0 ft) on Oct 23, 2026. On Nov 7, 2026 it was 0.23 ft below.
What was the highest level ever recorded?
Carlyle Lake reached 459.78 ft on May 18, 2002. The lowest was 430.27 ft on Mar 27, 1968 (USACE data since 1967).
How much has Carlyle Lake changed in the last year?
In the last 12 months it ranged from 443.14 ft (Feb 9, 2026) to 448.70 ft (May 9, 2026), a swing of 5.56 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.