Truman Lake Water Level
Harry S. Truman Lake, MO
Water level now
Below normal705.55ft
−0.47 ft vs normal pool (706.02) · +0.59 ft vs typical for Oct 18
Reading taken Oct 18, 2026, 7:00 AM CDT
Source: U.S. Army Corps of Engineers, Kansas City District (provisional data)
Level in feet above sea level (NGVD 29)
Daily levelNormal poolTypical for the date (2016 to last year)
Provisional data from USACE, as reported at Oct 18, 2026, 7:00 AM CDT. Readings can be delayed or wrong. Not for navigation, flood or safety decisions; follow local authorities and posted signs.
About Truman Lake
Truman Lake is 0.47 ft below normal pool, as of Oct 18, 2026, 7:00 AM CDT. The level on this page is reported by the U.S. Army Corps of Engineers, Kansas City District near Warsaw, and compared with normal pool (the top of the conservation pool, 706.02 ft above sea level (NGVD 29)) and with the typical level for this date.
Since January 2016 the daily level has ranged from 704.14 ft (Oct 20, 2020) to 739.66 ft (Jun 4, 2019).
Over those years the lake has usually been highest in May and lowest in October; in the past 365 days it was at or above normal pool on 44% of days.
Truman Lake by the numbers
| Normal pool (top of conservation) | 706.02 |
|---|---|
| Top of flood pool | 739.60 |
| Highest since 2016 | 739.66 (Jun 4, 2019) |
| Lowest since 2016 | 704.14 (Oct 20, 2020) |
| Typical for Oct 18 | 704.96 |
| Oct 18, 2025 | 704.48 |
| Conservation storage now | 1,156,337 acre-ft |
Typical level by month
| Month | Median | vs normal | Low | High |
|---|---|---|---|---|
| January | 706.26 | +0.24 ft | 704.60 | 724.02 |
| February | 706.62 | +0.60 ft | 704.49 | 713.63 |
| March | 707.43 | +1.41 ft | 705.11 | 722.84 |
| April | 707.42 | +1.40 ft | 704.45 | 720.01 |
| May | 710.57 | +4.55 ft | 704.25 | 738.85 |
| June | 710.24 | +4.22 ft | 704.75 | 739.66 |
| July | 707.30 | +1.28 ft | 704.16 | 733.70 |
| August | 705.52 | −0.50 ft | 704.39 | 722.73 |
| September | 705.17 | −0.85 ft | 704.20 | 717.29 |
| October | 704.83 | −1.19 ft | 704.14 | 711.81 |
| November | 705.86 | −0.16 ft | 704.30 | 709.59 |
| December | 705.64 | −0.38 ft | 704.70 | 722.90 |
Highs and lows by year
| Year | High | Date | Low | Date |
|---|---|---|---|---|
| 2026 (so far) | 715.93 | May 1 | 704.93 | Jan 1 |
| 2025 | 716.59 | May 1 | 704.34 | Nov 17 |
| 2024 | 720.56 | May 10 | 704.50 | Aug 20 |
| 2023 | 708.12 | Feb 23 | 704.25 | May 4 |
| 2022 | 717.82 | May 13 | 704.16 | Jul 19 |
| 2021 | 722.84 | Mar 25 | 704.20 | Oct 12 |
| 2020 | 717.66 | Mar 27 | 704.14 | Oct 20 |
| 2019 | 739.66 | Jun 4 | 706.08 | Nov 4 |
| 2018 | 711.81 | Oct 21 | 704.84 | Aug 9 |
| 2017 | 729.62 | May 9 | 704.42 | Oct 8 |
| 2016 | 724.02 | Jan 3 | 704.45 | Apr 20 |
Weather at the dam, next 3 days
- Today: Sunny, wind 7 mph S69°F
- Tonight: Clear, wind 3 mph S43°F
- Monday: Mostly Sunny, wind 2 mph SE70°F
- Monday Night: Partly Cloudy, wind 1 mph NE47°F
- Tuesday: Sunny, wind 2 mph SE74°F
- Tuesday Night: Partly Cloudy, wind 1 mph E49°F
Forecast: National Weather Service, issued Oct 18, 2026, 8:20 AM CDT. Conditions on the water can change quickly.
Questions about Truman Lake
- What is the normal pool level of Truman Lake?
- 706.02 ft above sea level (NGVD 29). This is the top of the conservation pool as listed by the Corps of Engineers; water above it, up to the top of the flood pool at 739.60 ft, is flood storage that the Corps releases over time.
- Is Truman Lake full right now?
- As of Oct 18, 2026, 7:00 AM CDT, the lake was 0.47 ft below normal pool.
- What is the lowest level Truman Lake has reached recently?
- In our daily record since January 2016, the lowest was 704.14 ft on Oct 20, 2020, 1.88 ft below normal pool.
- How often is this page updated?
- We check the Corps of Engineers every hour and show each reading with its own time. If no new reading arrives for 6 hours, the page says so instead of showing an old value as current. See how we calculate.