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Yankton, SD · Yankton County
Right Now
Partly Cloudy
Water
76°
Wind
5 mph
WSW
Gusts
8 mph
Pressure
30.01
falling
Forecast - Wed, Jun 24
High / Low
80° / 61°
Wind
7 mph
gusts 16 mph
Precip
98%
UV
8
Sunrise
10:52 AM
Sunset
2:12 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
Tue, Tue, Jun 30
Tue, Jun 30 scores 54/100 — Solunar 4/5, Pressure rising.
Best for Boating
Thu, Thu, Jun 25
Thu, Jun 25 scores 90/100 — Wind 6 mph, Rain 0%.
Best for Swimming
Thu, Thu, Jun 25
Thu, Jun 25 scores 80/100 — Air 78°F, Rain 0%.
Best for Paddling
Thu, Thu, Jun 25
Thu, Jun 25 scores 85/100 — Wind 6 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Wed24 | Thu25 | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Drizzle | Mostly Cloudy | Partly Cloudy | Drizzle | Mostly Clear | Windy | Thunderstorms | Thunderstorms | Mostly Cloudy |
| High / Low | 80°/61° | 78°/56° | 83°/58° | 82°/65° | 94°/72° | 97°/72° | 92°/75° | 92°/70° | 90°/73° |
| Precip | 98% | 0% | 29% | 35% | 46% | 45% | 53% | 52% | 0% |
| Wind | 12 mphgust 16 | 6 mphgust 10 | 11 mphgust 20 | 18 mphgust 28 | 15 mphgust 26 | 18 mphgust 30 | 12 mphgust 20 | 13 mphgust 24 | 13 mphgust 24 |
| Pressure | 30.02" stable | 29.98" falling | 29.88" falling | 29.72" falling | 29.54" falling | 29.58" rising | 29.69" rising | 29.81" rising | 29.92" rising |
| UV Index | 8 | 4 | 7 | 5 | 10 | 9 | 6 | 7 | 6 |
| Sunrise | 10:52 AM | 10:52 AM | 10:53 AM | 10:53 AM | 10:53 AM | 10:54 AM | 10:54 AM | 10:55 AM | 10:55 AM |
| Sunset | 2:12 AM | 2:12 AM | 2:12 AM | 2:12 AM | 2:12 AM | 2:12 AM | 2:12 AM | 2:12 AM | 2:12 AM |
| Bite Rating | 3/5first quarter | 2/5waxing gibbous | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 4/5FULL | 3/5FULL | 2/5waning gibbous |
Today Read
Lake Yankton (Cottonwood Lake)Wind read
Calm
7 mph avg
Water read
76°
Warm-water bite
Air range
61° / 80°
today
Precip
98%
watch timing
Today's forecast for Lake Yankton (Cottonwood Lake) has calm wind, 61F to 80F air temperatures, 98% chance of precipitation, and 76F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is finding the right window.
Reads 9 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
first quarter
Major
2:11 AM - 4:41 AM
Minor
9:15 PM - 10:45 PM
Detailed temperature readings across your lake.
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Fish Species
9Water Temperature History
Current
75°
Jul 5
Low
38°
Mar 5
Average
60°
Last 12 Months
Warmest avg: June (77°F)
Coolest avg: February (42°F)
Rapid warming: April → May (+16°F)
Sharpest cooling: January → February (-10°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
5am - 4am
Peak Wind
13 mph
5am
Peak Gust
24 mph
highest gust
Pressure
30.08 inHg
rising
Visibility
9 mi
79% 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
3/5first quarter
Water at 76°F -- warm-water species active.
Fish Species
9Nearby Lakes
FAQ
Lake Yankton (Cottonwood Lake) covers 256.00 acres (0.40 square miles)
Lake Yankton (Cottonwood Lake) is located in Yankton, Yankton County, SD. It is accessible to the public for outdoor activities.