
Lake Yankton (Cottonwood Lake)
Yankton, SD · Yankton County
Right Now
Windy
Water
72°
Wind
18 mph
WNW
Gusts
21 mph
Pressure
29.81
steady
Forecast - Fri, Jun 12
High / Low
86° / 57°
Wind
10 mph
gusts 26 mph
Precip
0%
UV
9
Sunrise
10:50 AM
Sunset
2:09 AM
Today Read
Lake Yankton (Cottonwood Lake)Wind read
Moderate
10 mph avg
Water read
72°
Warm-water bite
Air range
57° / 86°
today
Precip
0%
low concern
Today's forecast for Lake Yankton (Cottonwood Lake) has moderate wind, 57F to 86F air temperatures, 0% chance of precipitation, and 72F water.
Ask what to do at Lake Yankton (Cottonwood Lake) today.
The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.
Today's AI read
Warm-water pattern for Largemouth bass / Smallmouth bass
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. Wind matters today; use it only where control stays safe. With a weak solunar score, favor stable weather windows.
Uses this lake data
Trip read from the AI planner
Short window onlyFishing Forecast
waning crescent
Major
3:27 PM - 5:57 PM
Minor
7:52 AM - 9:22 AM
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Detailed temperature readings across your lake.
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Fish Species
9Water Temperature History
Current
77°
Jun 21
Low
38°
Mar 5
Average
59°
Last 12 Months
Warmest avg: June (75°F)
Coolest avg: February (42°F)
Rapid warming: May → June (+11°F)
Sharpest cooling: January → February (-10°F)
Weather Forecast
Wind speed, gusts, and pressure trends for trip timing.
Hourly Wind Forecast
Swipe days or tap points
12
5am - 4am
Peak Wind
16 mph
11pm
Peak Gust
26 mph
highest gust
Pressure
29.90 inHg
rising
Visibility
18 mi
0% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Daily Pressure Forecast
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
2/5waning crescent
Water at 72°F -- warm-water species active.
Fish Species
9Nearby Lakes
FAQ
About Lake Yankton (Cottonwood Lake)
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.