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Official National Weather Service (NWS) point forecast and real-time wind conditions for Mark Twain Lake (Missouri). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 84°F · Low 71°F
Peak gusts: 17 mph · Lake surface chop expected
Humidity: 29% · Barometer: 30.10 inHg
USGS water monitoring available for Mark Twain Lake.
Excellent for boating (90/100), from 4 available inputs. Supporting this: Wind 7 mph from the southwest. No active official alerts for this lake. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
Good for fishing (87/100), from 5 available inputs. Supporting this: Wind 7 mph from the southwest. 0% chance of precipitation. Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Good for kayaking (89/100), from 5 available inputs. Supporting this: Wind 7 mph from the southwest. No active official alerts for this lake. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it. Supporting this: No active official alerts for this lake. Air temperature 83°F. Not available from a verified source for this lake: water temperature.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 4 PM | 83°F | 7 mph | SW | ⚡ 15 mph | 0% | Sunny |
| 5 PM | 84°F | 7 mph | SW | ⚡ 14 mph | 0% | Sunny |
| 6 PM | 82°F | 5 mph | S | ⚡ 10 mph | 0% | Mostly Clear |
| 7 PM | 79°F | 3 mph | S | ⚡ 9 mph | 0% | Mostly Clear |
| 8 PM | 76°F | 5 mph | S | ⚡ 9 mph | 0% | Partly Cloudy |
| 9 PM | 75°F | 5 mph | S | ⚡ 10 mph | 0% | Partly Cloudy |
| 10 PM | 73°F | 5 mph | S | ⚡ 10 mph | 0% | Partly Cloudy |
| 11 PM | 72°F | 6 mph | S | ⚡ 12 mph | 0% | Partly Cloudy |
| 12 AM | 72°F | 7 mph | S | ⚡ 13 mph | 0% | Partly Cloudy |
| 1 AM | 71°F | 8 mph | S | ⚡ 14 mph | 0% | Partly Cloudy |
| 2 AM | 72°F | 9 mph | S | ⚡ 15 mph | 0% | Mostly Clear |
| 3 AM | 72°F | 9 mph | S | ⚡ 16 mph | 0% | Mostly Clear |
| 4 AM | 72°F | 10 mph | S | ⚡ 17 mph | 1% | Mostly Clear |
| 5 AM | 72°F | 10 mph | S | ⚡ 18 mph | 1% | Partly Cloudy |
| 6 AM | 72°F | 12 mph | SW | ⚡ 18 mph | 1% | Mostly Sunny |
| 7 AM | 72°F | 13 mph | SW | ⚡ 20 mph | 4% | Mostly Sunny |
| 8 AM | 71°F | 14 mph | SW | ⚡ 22 mph | 4% | Sunny |
| 9 AM | 72°F | 14 mph | SW | ⚡ 23 mph | 4% | Sunny |
| 10 AM | 76°F | 14 mph | SW | ⚡ 24 mph | 3% | Sunny |
| 11 AM | 78°F | 14 mph | SW | ⚡ 25 mph | 3% | Sunny |
| 12 PM | 80°F | 14 mph | SW | ⚡ 25 mph | 2% | Mostly Sunny |
| 1 PM | 82°F | 14 mph | SW | ⚡ 24 mph | 2% | Sunny |
| 2 PM | 83°F | 15 mph | SW | ⚡ 25 mph | 2% | Sunny |
| 3 PM | 84°F | 15 mph | SW | ⚡ 27 mph | 2% | Sunny |
Mirror-like to gentle rippled water. Optimal conditions for paddleboarding, kayaking, swimming, and beginner water skiing or wakeboarding.
Pleasant breeze with small wavelets. Great for sailing, pleasure cruising, pontoon boats, and trolling for trout and bass.
Moderate waves with whitecaps likely. Requires skilled boat handling; kayaks, canoes, and stand-up paddleboards should stay close to sheltered bays.
Steep waves, cold spray, and hazardous open water. Avoid small craft voyages. Always check official National Weather Service lake wind advisories.
Sunny, with a high near 84. Southwest wind around 7 mph.
Sunny, with a high near 84. Southwest wind around 7 mph.
Partly cloudy, with a low around 71. South wind 3 to 10 mph.
Sunny, with a high near 85. Southwest wind 12 to 15 mph, with gusts as high as 26 mph.
Mostly clear, with a low around 74. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunny, with a high near 86. Southwest wind 6 to 12 mph.
Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 70. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 90%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 80%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 60. Chance of precipitation is 20%.
Partly cloudy, with a low around 44.
Sunny, with a high near 56.
Mark Twain Lake currently reports 88°F with wind velocity near 8 mph from the SW. Atmospheric forecasts and 24-hour hour-by-hour wind timelines are updated hourly from the National Weather Service gridpoint matching the lake's coordinates.
At Mark Twain Lake and surrounding mountain valleys, diurnal heating of the surrounding terrain causes strong thermal pressure differentials known locally as afternoon breezes (such as the Washoe Zephyr at Lake Tahoe). Wind speeds typically peak between 1:00 PM and 5:00 PM before calming near sunset.
For stand-up paddleboarding (SUP), canoeing, and light kayaks, winds under 7 mph (light breeze) offer the safest, glassiest surface conditions. Between 8–14 mph, small wavelets develop, suitable for sailboats and powerboats. Winds exceeding 15 mph create steep whitecaps and rapid drift; winds over 21 mph warrant small craft warnings.
All weather and wind telemetry is fetched directly from the National Weather Service (NOAA - WFO LSX) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Mark Twain Lake without artificial smoothing or third-party estimates.
Yes. Live hydrological sensor readings, 30-day elevation histories, full-pool benchmarks, and USGS station provenance are available on our dedicated Mark Twain Lake Water Level & Temperature page.
View Mark Twain Lake Water Level & Temperature →