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Official National Weather Service (NWS) point forecast and real-time wind conditions for Monticello Reservoir (South Carolina). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Lake Wind Advisory issued October 9 at 11:18AM EDT until October 10 at 11:00PM EDT by NWS Columbia SC
Today: High 73°F · Low 63°F
Peak gusts: 10 mph · Lake surface chop expected
Humidity: 50% · Barometer: 29.94 inHg
USGS water monitoring available for Monticello Reservoir.
Lake Wind Advisory issued October 9 at 11:18AM EDT until October 10 at 11:00PM EDT by NWS Columbia SC
Very Poor / Avoid for boating (30/100), from 4 available inputs. Supporting this: Wind 6 mph from the northeast. Gusts to 15 mph. Working against it: Active moderate alert: Lake Wind Advisory. Lake Wind Advisory is in effect for this lake. Boating scores are capped at 30. 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.
Excellent for fishing (96/100), from 5 available inputs. Supporting this: Wind 6 mph from the northeast. Dusk hours (19:00 local). 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.
Very Poor / Avoid for kayaking (30/100), from 5 available inputs. Supporting this: Wind 6 mph from the northeast. Gusts to 15 mph. Working against it: Active moderate alert: Lake Wind Advisory. Lake Wind Advisory is in effect for this lake. Kayaking scores are capped at 30. 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: 3% chance of precipitation. Wind 6 mph from the northeast. Working against it: Active moderate alert: Lake Wind Advisory. Not available from a verified source for this lake: water temperature.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 7 PM | 73°F | 6 mph | NE | ⚡ 15 mph | 3% | Cloudy |
| 8 PM | 69°F | 6 mph | E | ⚡ 15 mph | 7% | Cloudy |
| 9 PM | 69°F | 6 mph | NE | ⚡ 14 mph | 11% | Cloudy |
| 10 PM | 68°F | 6 mph | NE | ⚡ 14 mph | 17% | Slight Chance Rain Showers |
| 11 PM | 68°F | 6 mph | NE | ⚡ 13 mph | 16% | Slight Chance Rain Showers |
| 12 AM | 67°F | 7 mph | E | ⚡ 14 mph | 12% | Cloudy |
| 1 AM | 67°F | 8 mph | NE | ⚡ 15 mph | 11% | Cloudy |
| 2 AM | 66°F | 8 mph | NE | ⚡ 15 mph | 26% | Chance Rain Showers |
| 3 AM | 65°F | 10 mph | NE | ⚡ 17 mph | 31% | Chance Rain Showers |
| 4 AM | 65°F | 12 mph | NE | ⚡ 20 mph | 41% | Chance Rain Showers |
| 5 AM | 65°F | 13 mph | NE | ⚡ 22 mph | 51% | Chance Rain Showers |
| 6 AM | 63°F | 13 mph | NE | ⚡ 23 mph | 63% | Rain Showers Likely |
| 7 AM | 63°F | 13 mph | NE | ⚡ 23 mph | 73% | Rain Showers Likely |
| 8 AM | 63°F | 14 mph | E | ⚡ 23 mph | 73% | Showers And Thunderstorms Likely |
| 9 AM | 64°F | 14 mph | E | ⚡ 24 mph | 80% | Patchy Fog |
| 10 AM | 65°F | 14 mph | E | ⚡ 25 mph | 98% | Patchy Fog |
| 11 AM | 66°F | 14 mph | E | ⚡ 27 mph | 93% | Patchy Fog |
| 12 PM | 67°F | 15 mph | E | ⚡ 28 mph | 79% | Patchy Fog |
| 1 PM | 67°F | 15 mph | E | ⚡ 28 mph | 74% | Patchy Fog |
| 2 PM | 68°F | 15 mph | E | ⚡ 28 mph | 92% | Patchy Fog |
| 3 PM | 68°F | 15 mph | E | ⚡ 29 mph | 77% | Patchy Fog |
| 4 PM | 69°F | 15 mph | E | ⚡ 29 mph | 65% | Patchy Fog |
| 5 PM | 69°F | 15 mph | E | ⚡ 28 mph | 66% | Patchy Fog |
| 6 PM | 70°F | 15 mph | E | ⚡ 29 mph | 84% | Patchy Fog |
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.
A chance of rain showers after 10pm. Cloudy, with a low around 63. Northeast wind 6 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 8am, then showers and thunderstorms likely between 8am and 9am, then patchy fog and showers and thunderstorms between 9am and 2pm, then patchy fog and showers and thunderstorms. Cloudy, with a high near 70. East wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Patchy fog and showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then showers and thunderstorms likely between 10pm and 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then showers and thunderstorms. Cloudy, with a low around 68. East wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms likely before 2pm. Partly sunny, with a high near 77. South wind 7 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Mostly clear, with a low around 62. West wind 7 to 10 mph.
Sunny, with a high near 82.
Mostly clear, with a low around 59.
Sunny, with a high near 86.
Clear, with a low around 62.
Sunny, with a high near 85.
Mostly clear, with a low around 61.
Mostly sunny, with a high near 79.
Mostly clear, with a low around 59.
Mostly sunny, with a high near 79.
Monticello Reservoir currently reports 69°F with wind velocity near 6 mph from the E. 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 Monticello Reservoir 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 CAE) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Monticello Reservoir 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 Monticello Reservoir Water Level & Temperature page.
View Monticello Reservoir Water Level & Temperature →