Lake Levels DailyLake Levels Daily

Mark Twain Lake Water Level Today

Daily level, distance to full pool and history for Mark Twain Lake, on the Salt River in Missouri.

Updated · Source: US Army Corps of EngineersUSACE Provisional

Water level Provisional

602.74ft

msl · 3:00 PM CST, Nov 8, 2026

  • 3.26 ftbelow full pool (606.0 ft)
  • 465,291acre-ft in storage
  • +0.03 ftin 24 h+0.53 ft in 7 days−0.85 ft in 30 days
600602604606608600602604606608600602604606608
  • Full pool
  • 1 yr ago

Is Mark Twain Lake full?

No. Mark Twain Lake is 3.26 ft below full pool (606.0 ft). It is 1.60 ft higher than a year ago (601.14 ft on Nov 8, 2025).

Mark Twain Lake level history

Full pool 606.0 ft
View data table
DateLevel (ft)% full
Nov 8, 2026602.74—
Nov 7, 2026602.70—
Nov 6, 2026602.64—
Nov 5, 2026602.52—
Nov 4, 2026602.32—
Nov 3, 2026602.23—
Nov 2, 2026602.22—
Nov 1, 2026602.21—
Oct 31, 2026602.19—
Oct 30, 2026602.19—
Oct 29, 2026602.22—
Oct 28, 2026602.24—
Oct 27, 2026602.29—
Oct 26, 2026602.35—
Oct 25, 2026602.39—
Oct 24, 2026602.44—
Oct 23, 2026602.51—
Oct 22, 2026602.57—
Oct 21, 2026602.69—
Oct 20, 2026602.77—
Oct 19, 2026602.82—
Oct 18, 2026602.82—
Oct 17, 2026602.82—
Oct 16, 2026602.86—
Oct 15, 2026602.88—
Oct 14, 2026602.99—
Oct 13, 2026603.12—
Oct 12, 2026603.32—
Oct 11, 2026603.40—
Oct 10, 2026603.47—
Oct 9, 2026603.59—
  • Mark Twain Lake level
  • Full pool 606.0 ft
  • Above full pool
Source: USACE · Daily averages since 1984

Mark Twain Lake on Nov 8 in past years

Mark Twain Lake water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today602.74—−3.26 ft
2025601.14−1.60−4.86 ft
2024600.12−2.62−5.88 ft
2023601.02−1.72−4.98 ft
2022600.82−1.92−5.18 ft
2021607.45+4.71+1.45 ft
2020601.59−1.15−4.41 ft
2019607.52+4.78+1.52 ft
2018610.98+8.24+4.98 ft
2017602.32−0.42−3.68 ft
2016604.08+1.34−1.92 ft

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

Lake facts

Full pool (conservation pool)
606.0 ft msl
Top of flood pool
638.0 ft msl
Bottom of conservation pool
567.2 ft msl
Record high
640.26 ftJul 30, 2008
Record low
595.85 ftNov 27, 1997
Data since
Jan 1, 1984
Dam
Clarence Cannon Damcompleted 1983
River
Salt River
Operated by
US Army Corps of Engineers, St. Louis District
Dam location
Ralls County
Gauge location
39.5249, −91.6443

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Jan 1, 1984 to today (daily averages).

Weather on the lake

  1. This Afternoon61°FHighLow 44°FW 6 mphSunny
  2. Tonight44°FLowNW 2 mphMostly Clear
  3. Monday64°FHighLow 49°FSW 0–6 mphSunny
  4. Tuesday64°FHighLow 52°FW 0–5 mphSunny
  5. Wednesday61°FHighLow 43°FW 5–15 mphSlight Chance Light Rain
  6. Thursday47°FHighLow 34°FN 10–14 mphMostly Sunny
  7. Friday43°FHighLow 33°FNW 3–7 mphSunny

Forecast: National Weather Service for the dam area (39.52, −91.64). Wind speeds are forecasts, not measurements.

Quick answers

What is the full pool level of Mark Twain Lake?
606.0 ft above mean sea level, the top of its conservation pool. Above it, water is held in the flood pool (up to 638.0 ft) and released through Clarence Cannon Dam when conditions downstream allow.
How much does Mark Twain Lake need to be full?
Mark Twain Lake needs 3.26 ft more water to reach full pool (606.0 ft), as of Nov 8, 2026.
Is Mark Twain Lake rising or falling?
It is rising: +0.53 ft in the last 7 days and +0.03 ft in 24 hours, to 602.74 ft on 3:00 PM CST, Nov 8, 2026 (US Army Corps of Engineers).
When was Mark Twain Lake last full?
It was last at or above full pool (606.0 ft) on Jul 26, 2026. On Nov 8, 2026 it was 3.26 ft below.
What was the highest level ever recorded?
Mark Twain Lake reached 640.26 ft on Jul 30, 2008. The lowest was 595.85 ft on Nov 27, 1997 (USACE data since 1984).
How much has Mark Twain Lake changed in the last year?
In the last 12 months it ranged from 600.04 ft (Mar 6, 2026) to 616.83 ft (Jun 15, 2026), a swing of 16.79 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 3:00 PM CST, Nov 8, 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.