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Yankton, SD · Yankton County
Right Now
Cloudy
Water
53°
Wind
10 mph
WNW
Gusts
13 mph
Pressure
30.11
rising
Forecast - Wed, Apr 29
High / Low
59° / 36°
Wind
5 mph
gusts 12 mph
Precip
0%
UV
5
Sunrise
11:26 AM
Sunset
1:28 AM
Today Read
Lake Yankton (Cottonwood Lake)Wind read
Calm
5 mph avg
Water read
53°
Cool-water mix
Air range
36° / 59°
today
Precip
0%
low concern
Today's forecast for Lake Yankton (Cottonwood Lake) has calm wind, 36F to 59F air temperatures, 0% chance of precipitation, and 53F water.
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
Transition temps can split fish between warming edges and deeper comfort zones. Wind is not the main constraint, so timing and presentation can drive the plan. Check the solunar window against hourly wind and light.
Uses this lake data
Trip read from the AI planner
FishableFishing Forecast
waxing gibbous
Major
5:00 AM - 5:00 AM
Minor
11:20 PM - 12:50 AM
Detailed temperature readings across your lake.
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Fish Species
9Water Temperature History
Current
63°
May 10
Low
38°
Mar 5
Average
59°
Last 12 Months
Warmest avg: June (75°F)
Coolest avg: February (42°F)
Rapid warming: April → May (+15°F)
Sharpest cooling: January → February (-10°F)
Nearby Lakes
Fishing Forecast
3/5waxing gibbous
Water at 53°F -- good for cool-water species.
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.