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Mark Twain Lake is one of the reservoirs LakeRadar tracks in Missouri. Its recorded surface area is approximately 18,600 acres. Fish documented in the area include Green Sunfish, White Bass, Largemouth Bass, and White Crappie. Sitting at around 606 feet of elevation, it drops to a maximum depth near 85 feet. Coverage here includes an hourly and 7-day forecast, wind and gust outlook, water readings, fishing conditions, and activity scores for boating, paddling, and swimming. If you are planning a trip, Long Branch Lake are also nearby. Water data on this page comes from a mapped monitoring station near the lake. This page combines the live forecast, wind, and conditions for Mark Twain Lake so you can plan a visit.
Updated
Latest source update is older than expected. Use caution and check the official source.
The last automated check (Oct 11, 2:53 PM CDT) found no active alerts for this lake, but that check is older than LakeRadar's alert freshness window, so the current alert status could not be confirmed.
Confirm before heading out: official alerts for this area or weather.gov/alerts. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
Overall Good (88/100) across 4 activities. Best right now: Boating (90/100).
How the score is calculated →Best excellent fishing window, averaging 94/100 across these hours. Wind 5 mph from the south. Dusk hours (18:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 83° | 84° | 82° | 79° | 76° | 75° | 73° | 72° | 72° | 71° | 72° | 72° | 72° | 72° | 72° | 72° | 71° | 72° | 76° | 78° | 80° | 82° | 83° | 84° |
| Wind (kts) | 6 | 6 | 4 | 3 | 4 | 4 | 4 | 5 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 |
| Direction | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gusts (kts) | 13 | 12 | 9 | 8 | 8 | 9 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 16 | 17 | 19 | 20 | 21 | 22 | 22 | 21 | 22 | 23 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 1% | 4% | 4% | 4% | 3% | 3% | 2% | 2% | 2% | 2% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 4 PM CDT | 83°F | 7 mph SW (225°) | 15 mph | 0% | 1% | Sunny |
| Sun, 5 PM CDT | 84°F | 7 mph SW (225°) | 14 mph | 0% | 7% | Sunny |
| Sun, 6 PM CDT | 82°F | 5 mph S (180°) | 10 mph | 0% | 14% | Mostly Clear |
| Sun, 7 PM CDT | 79°F | 3 mph S (180°) | 9 mph | 0% | 20% | Mostly Clear |
| Sun, 8 PM CDT | 76°F | 5 mph S (180°) | 9 mph | 0% | 29% | Partly Cloudy |
| Sun, 9 PM CDT | 75°F | 5 mph S (180°) | 10 mph | 0% | 37% | Partly Cloudy |
| Sun, 10 PM CDT | 73°F | 5 mph S (180°) | 10 mph | 0% | 46% | Partly Cloudy |
| Sun, 11 PM CDT | 72°F | 6 mph S (180°) | 12 mph | 0% | 39% | Partly Cloudy |
| Mon, 12 AM CDT | 72°F | 7 mph S (180°) | 13 mph | 0% | 33% | Partly Cloudy |
| Mon, 1 AM CDT | 71°F | 8 mph S (180°) | 14 mph | 0% | 26% | Partly Cloudy |
| Mon, 2 AM CDT | 72°F | 9 mph S (180°) | 15 mph | 0% | 25% | Mostly Clear |
| Mon, 3 AM CDT | 72°F | 9 mph S (180°) | 16 mph | 0% | 24% | Mostly Clear |
| Mon, 4 AM CDT | 72°F | 10 mph S (180°) | 17 mph | 1% | 23% | Mostly Clear |
| Mon, 5 AM CDT | 72°F | 10 mph S (180°) | 18 mph | 1% | 26% | Partly Cloudy |
| Mon, 6 AM CDT | 72°F | 12 mph SW (225°) | 18 mph | 1% | 28% | Mostly Sunny |
| Mon, 7 AM CDT | 72°F | 13 mph SW (225°) | 20 mph | 4% | 40% | Mostly Sunny |
| Mon, 8 AM CDT | 71°F | 14 mph SW (225°) | 22 mph | 4% | 10% | Sunny |
| Mon, 9 AM CDT | 72°F | 14 mph SW (225°) | 23 mph | 4% | 4% | Sunny |
| Mon, 10 AM CDT | 76°F | 14 mph SW (225°) | 24 mph | 3% | 1% | Sunny |
| Mon, 11 AM CDT | 78°F | 14 mph SW (225°) | 25 mph | 3% | 9% | Sunny |
| Mon, 12 PM CDT | 80°F | 14 mph SW (225°) | 25 mph | 2% | 26% | Mostly Sunny |
| Mon, 1 PM CDT | 82°F | 14 mph SW (225°) | 24 mph | 2% | 17% | Sunny |
| Mon, 2 PM CDT | 83°F | 15 mph SW (225°) | 25 mph | 2% | 16% | Sunny |
| Mon, 3 PM CDT | 84°F | 15 mph SW (225°) | 27 mph | 2% | 7% | Sunny |
| Mon, 4 PM CDT | 85°F | 15 mph SW (225°) | 25 mph | 2% | 6% | Sunny |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | Today October 11, 2026 | This Afternoon October 11, 2026 | Tonight October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 84° | 84° | 71° | 85° | 74° | 86° | 70° | 74° | 65° | 70° | 57° | 60° | 44° | 56° |
| Wind | SW 7 mph | SW 7 mph | S 3 to 10 mph | SW 12 to 15 mph | SW 10 to 14 mph | SW 6 to 12 mph | SW 5 mph | NW 5 mph | NE 7 mph | E 8 mph | N 8 to 15 mph | NW 20 mph | NW 6 to 15 mph | N 5 mph |
| Gusts | 15 mph | 15 mph | 18 mph | 27 mph | 23 mph | 18 mph | 9 mph | 13 mph | 14 mph | 18 mph | 23 mph | 32 mph | 24 mph | 13 mph |
| Precip % | 0% | 0% | 1% | 4% | 2% | 4% | 87% | 87% | 63% | 83% | 64% | 18% | 8% | 0% |
| Forecast |
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.
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 sailing (86/100), from 4 available inputs. Supporting this: Wind 7 mph from the SW is workable but not ideal. No active official alerts for this lake. Not available from a verified source for this lake: visibility. Confidence is high (88%).
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.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of MO Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Mark Twain Lake is a scenic freshwater reservoir situated in MO, offering expansive waters for recreational boating and dedicated sport anglers. The surrounding topography influences local wind and wave dynamics, creating ideal windows for morning paddling and afternoon cruising. Consult local ramp status and safety rules prior to arrival.
Valid freshwater sport fishing license issued by Missouri Department of Conservation (MDC) is required for anglers age 16+. Digital license on mobile is accepted.
Current motorized watercraft registration mandatory. Practice Clean, Drain & Dry protocols: drain all livewells and inspect props before launching. Life jackets required for all passengers.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Green Sunfish, White Bass, Largemouth Bass, White Crappie. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Mild year-round outdoor climate. Uncrowded waters, active winter bass and crappie fishing, and open year-round boat launch access.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Mark Twain Lake is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 4:31 PM CDT