As of Nov 4, 2026, 3:45 AM CST, Lake J. B. Thomas is at 2,226.58 ft. The level has risen 0.26 ft over the last 7 days.
Level
| Date | Elevation | Daily change | Storage |
|---|---|---|---|
| Nov 4, 2026 | 2,226.58 ft | −0.01 ft | 42,260 acre-ft |
| Nov 3, 2026 | 2,226.59 ft | −0.01 ft | — |
| Nov 2, 2026 | 2,226.60 ft | +0.06 ft | — |
| Nov 1, 2026 | 2,226.54 ft | +0.11 ft | — |
| Oct 31, 2026 | 2,226.43 ft | +0.07 ft | — |
| Oct 30, 2026 | 2,226.36 ft | +0.05 ft | — |
| Oct 29, 2026 | 2,226.31 ft | −0.01 ft | — |
| Oct 28, 2026 | 2,226.32 ft | −0.01 ft | — |
| Oct 27, 2026 | 2,226.33 ft | 0.00 ft | — |
| Oct 26, 2026 | 2,226.33 ft | −0.01 ft | — |
| Oct 25, 2026 | 2,226.34 ft | −0.02 ft | — |
| Oct 24, 2026 | 2,226.36 ft | −0.01 ft | — |
| Oct 23, 2026 | 2,226.37 ft | −0.03 ft | — |
| Oct 22, 2026 | 2,226.40 ft | −0.01 ft | — |
In the 366 days we have on record (Nov 4, 2025 to Nov 4, 2026), the highest level was 2,233.31 ft on Nov 4, 2025 and the lowest was 2,225.56 ft on Oct 14, 2026.
The reservoir held 42,260 acre-ft of water at the last reading (Nov 4, 2026, 3:45 AM CST).
2,226.58 ft as of Nov 4, 2026, 3:45 AM CST, reported by the U.S. Geological Survey.
Every 3 hours. The gauge reports several times a day.
In the period we have (since Nov 4, 2025): 2,233.31 ft and 2,225.56 ft.
Data: U.S. Geological Survey, gauge 08118000 (official page). Provisional data, subject to revision. For information only. Not for navigation or flood safety decisions. Check the official source. LakeLevelHQ is not affiliated with any government agency.