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Jolley, IA · Calhoun County
Right Now
Windy
Water
62°
Wind
17 mph
NNW
Gusts
23 mph
Pressure
29.87
rising
Forecast - Sun, May 10
High / Low
70° / 35°
Wind
9 mph
gusts 27 mph
Precip
0%
UV
7
Sunrise
11:02 AM
Sunset
1:28 AM
Today Read
South Twin LakeWind read
Calm
9 mph avg
Water read
62°
Cool-water mix
Air range
35° / 70°
today
Precip
0%
low concern
Today's forecast for South Twin Lake has calm wind, 35F to 70F air temperatures, 0% chance of precipitation, and 62F 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
Active temps make wind edges, shallow cover, and feeding windows more important. 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
Last quarter
Major
12:35 PM - 3:05 PM
Minor
7:20 AM - 8:50 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
67°
May 17
Low
37°
Dec 1
Average
58°
Last 12 Months
Warmest avg: July (74°F)
Coolest avg: December (43°F)
Rapid warming: May → June (+9°F)
Sharpest cooling: September → October (-15°F)
Nearby Lakes
Fishing Forecast
2/5Last quarter
Water at 62°F -- good for cool-water species.
Nearby Lakes
FAQ
South Twin Lake covers 464.36 acres (0.73 square miles) with a maximum depth of 2.16 meters (~7 feet).
South Twin Lake is located in Jolley, Calhoun County, IA. It is accessible to the public for outdoor activities.