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Mark Twain Lake
Hannibal, MO · Ralls County
Right Now
Mostly Cloudy
Water
80°
Wind
6 mph
WNW
Gusts
10 mph
Pressure
29.92
steady
Forecast - Sun, Jul 5
High / Low
85° / 70°
Wind
4 mph
gusts 13 mph
Precip
58%
UV
8
Sunrise
10:46 AM
Sunset
1:37 AM
Every forecast metric for the week ahead — plus AI-picked best days for fishing, boating, swimming, and paddling.
Instant recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Mon, Mon, Jul 13
Mon, Jul 13 scores 70/100 — Solunar 4/5, Wind 5 mph.
Best for Boating
Mon, Mon, Jul 6
Mon, Jul 6 scores 90/100 — Wind 8 mph, Rain 0%.
Best for Swimming
Mon, Mon, Jul 6
Mon, Jul 6 scores 75/100 — Air 85°F, Rain 0%.
Best for Paddling
Mon, Mon, Jul 6
Mon, Jul 6 scores 85/100 — Wind 8 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Sun5 | Mon6 | Tue7 | Wed8 | Thu9 | Fri10 | Sat11 | Sun12 | Mon13 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Thunderstorms | Mostly Clear | Clear | Mostly Clear | Rain | Rain | Drizzle | Mostly Clear | Clear |
| High / Low | 85°/70° | 85°/68° | 85°/66° | 90°/65° | 89°/72° | 83°/71° | 87°/70° | 92°/71° | 96°/74° |
| Precip | 58% | 0% | 0% | 19% | 55% | 72% | 61% | 0% | 0% |
| Wind | 7 mphgust 13 | 8 mphgust 13 | 5 mphgust 11 | 7 mphgust 13 | 11 mphgust 19 | 5 mphgust 10 | 6 mphgust 14 | 5 mphgust 10 | 5 mphgust 10 |
| Pressure | 29.95" stable | 30.01" rising | 30.05" rising | 29.94" falling | 29.81" falling | 29.88" rising | 29.96" rising | 30.01" rising | 30.05" rising |
| UV Index | 8 | 8 | 9 | 9 | 7 | 5 | 7 | 9 | 11 |
| Sunrise | 10:46 AM | 10:46 AM | 10:47 AM | 10:47 AM | 10:48 AM | 10:49 AM | 10:49 AM | 10:50 AM | 10:51 AM |
| Sunset | 1:37 AM | 1:37 AM | 1:37 AM | 1:36 AM | 1:36 AM | 1:36 AM | 1:35 AM | 1:35 AM | 1:34 AM |
| Bite Rating | 2/5waning gibbous | 3/5Last quarter | 2/5Last quarter | 2/5Last quarter | 2/5Last quarter | 2/5waning crescent | 2/5waning crescent | 3/5waning crescent | 4/5NEW |
Today Read
Mark Twain LakeWind read
Calm
4 mph avg
Water read
80°
Warm-water bite
Air range
70° / 85°
today
Precip
58%
watch timing
Today's forecast for Mark Twain Lake has calm wind, 70F to 85F air temperatures, 58% chance of precipitation, and 80F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is weak timing.
Reads 9 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
waning gibbous
Major
9:44 AM - 12:14 PM
Minor
5:00 AM - 5:00 AM
Detailed temperature readings across your lake.
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Fish Species
17Water Temperature History
Current
81°
Jul 12
Low
33°
Dec 7
Average
63°
Last 12 Months
Warmest avg: August (82°F)
Coolest avg: December (35°F)
Rapid warming: March → April (+12°F)
Sharpest cooling: October → November (-16°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
5am - 4am
Peak Wind
7 mph
11pm
Peak Gust
13 mph
highest gust
Pressure
29.93 inHg
steady
Visibility
11 mi
68% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
2/5waning gibbous
Water at 80°F -- warm-water species active.
Fish Species
17Nearby Lakes
FAQ
Mark Twain Lake covers 18598.00 acres (29.06 square miles)
Mark Twain Lake is located in Hannibal, Ralls County, MO. It is accessible to the public for outdoor activities.