Lakes / North America / United States
Lake J.B. Thomas today
Lake J.B. Thomas right now: the lake is 20.9% full, there's a light breeze from the south at 11 km/h7 mph and it's 28 °C82 °F and clear sky.
Updated 03:17 local time, Sunday 13 September
Lake J.B. Thomas water level today
Lake J.B. Thomas is above normal for 13 September: 678.69 m2226.66 ft against a median of 677.90 m2224.07 ft for this date, measured over 28 years (1999–2026). On this date the level has ranged from 670.73 m2200.55 ft to 685.94 m2250.45 ft.
Lake J.B. Thomas is 20.9% full, at 678.69 m2226.66 ft above sea level, against a full level of 688.2 m2258.0 ft. That's 51.6 million m³41,840 acre-feet of water out of 246.6 million m³199,931 acre-feet.
| How full | 20.9% |
| Water level | 678.69 m2226.66 ft |
| Level when full | 688.2 m2258.0 ft |
| Below full by | 9.55 m31.34 ft |
| Water stored | 51.6 million m³41,840 acre-feet |
| Median for 13 September | 677.90 m2224.07 ft |
| Difference from normal | Up 0.79 m2.59 ft |
| Range on this date | 670.73 m2200.55 ft to 685.94 m2250.45 ft |
| Reading from | 20 hours ago |
Source: Texas Water Development Board. Provisional data, subject to revision. What these terms mean.
Good for today?
Rules of thumb from the current wind and water temperature. Conditions differ across the lake, so check on the spot.
- SwimmingNo water temperature yet
- Kayak and paddleboardBreezy – for experienced paddlers
- SailingGood sailing breeze
- Windsurf and kiteNot enough wind
Wind, next 24 hours
KilometresMiles per hour, gusts below. Arrows point the way the wind blows.
Four-day forecast
| Day | Weather | High / low | Wind | Gusts | Rain |
|---|---|---|---|---|---|
| Today13 Sep Clear sky | Clear sky | 37 °C98 °F / 25 °C78 °F | 2616 SSE | 4126 | 2% |
| Tomorrow14 Sep Clear sky | Clear sky | 35 °C95 °F / 23 °C74 °F | 3019 S | 4427 | 1% |
| Tuesday15 Sep Clear sky | Clear sky | 37 °C98 °F / 24 °C76 °F | 3119 S | 5836 | 4% |
| Wednesday16 Sep Partly cloudy | Partly cloudy | 36 °C98 °F / 24 °C75 °F | 2817 S | 5433 | 4% |
Wind in km/hmph. Rain shows the highest hourly chance of rain that day.