
Lake Thompson
Located in the heart of eastern South Dakota, Lake Thompson is the largest natural lake in the state. Spanning over 12,455 acres, the lake is a popular destination for outdoor enthusiasts and nature lovers alike. The lake is home to a state recreation area and campground that is managed by the South Dakota Game, Fish, and Parks Department, providing visitors with a range of recreational opportunities, including boating, fishing, camping, and hiking. One of the most popular activities on Lake Thompson is fishing. The lake is known for its excellent Walleye, Crappie, Northern Pike, Perch, and Bass fishing. Anglers from all over the region come to the lake to cast their lines in search of their next big catch. The lake is easily accessible, with multiple boat ramps located around its shores, making it easy for visitors to get out on the water and explore the lake's numerous coves and bays. Aside from fishing, Lake Thompson is also a popular spot for boating and water sports. The lake's expansive surface area provides plenty of room for boaters to explore, while its calm waters make it perfect for water skiing, tubing, and other water activities. The state recreation area also offers visitors a range of hiking trails and picnic areas, providing ample opportunities to explore the natural beauty of the region. Lake Thompson is a unique destination, boasting a diverse range of wildlife and vegetation. The lake is home to a range of aquatic plants, including wild celery, sago pondweed, and coontail, which provide important habitat for fish and other aquatic animals. Visitors to the lake may also spot a range of wildlife, including waterfowl, eagles, and a variety of other bird species. Overall, Lake Thompson is a must-visit destination for anyone looking to experience the natural beauty and outdoor recreation opportunities of South Dakota. With its expansive size, excellent fishing, and numerous recreational amenities, the lake is a perfect destination for families, couples, and outdoor enthusiasts of all ages.
Read more
Lake Thompson
Located in the heart of eastern South Dakota, Lake Thompson is the largest natural lake in the state. Spanning over 12,455 acres, the lake is a popular destination for outdoor enthusiasts and nature lovers alike. The lake is home to a state recreation area and campground that is managed by the South Dakota Game, Fish, and Parks Department, providing visitors with a range of recreational opportunities, including boating, fishing, camping, and hiking. One of the most popular activities on Lake Thompson is fishing. The lake is known for its excellent Walleye, Crappie, Northern Pike, Perch, and Bass fishing. Anglers from all over the region come to the lake to cast their lines in search of their next big catch. The lake is easily accessible, with multiple boat ramps located around its shores, making it easy for visitors to get out on the water and explore the lake's numerous coves and bays. Aside from fishing, Lake Thompson is also a popular spot for boating and water sports. The lake's expansive surface area provides plenty of room for boaters to explore, while its calm waters make it perfect for water skiing, tubing, and other water activities. The state recreation area also offers visitors a range of hiking trails and picnic areas, providing ample opportunities to explore the natural beauty of the region. Lake Thompson is a unique destination, boasting a diverse range of wildlife and vegetation. The lake is home to a range of aquatic plants, including wild celery, sago pondweed, and coontail, which provide important habitat for fish and other aquatic animals. Visitors to the lake may also spot a range of wildlife, including waterfowl, eagles, and a variety of other bird species. Overall, Lake Thompson is a must-visit destination for anyone looking to experience the natural beauty and outdoor recreation opportunities of South Dakota. With its expansive size, excellent fishing, and numerous recreational amenities, the lake is a perfect destination for families, couples, and outdoor enthusiasts of all ages.
Read more detailsCurrent Conditions
Water Temperature
Current water temperature for Lake Thompson is 49°F.
Current Snapshot
Forecast: Tuesday, Apr 29
Clear
Hourly Insights
Temperature
Precipitation
Wind
Sun, Moon & UV
Solunar Fishing Forecast
Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)
7:51 PM - 10:21 PM
6:17 AM - 8:47 AM
11:41 AM - 1:11 PM
5:00 AM - 5:00 AM
Outlook for Tuesday at Lake Thompson
Expect temperatures ranging from 32°F to 59°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 9 mph, with potential gusts reaching up to 34 mph. The maximum UV index will be 7 (High), so plan sun protection accordingly. For anglers, today's fishing action is rated 4/5 (Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 7:51 PM and 6:17 AM, or try the minor windows near 11:41 AM and 5:00 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Lake Thompson.
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Lake Information
Common Fish Species
Nearby Lakes
Water Temperature History
Trends for Lake Thompson
Current Temp
Latest recorded surface temperature.
Lowest in Period
32°F
On Jan 12
Coldest point in the Last 12 Months.
Average in Period
48°F
Typical temp during the Last 12 Months.
Temperature Trend: Last 12 Months
Surface temperature over the selected period.
Key Observations (Last 12 Months)
- Warmest avg: July (76°F).
- Coolest avg: January (34°F).
- Rapid warming often occurs: April → May (+22°F).
- Sharpest cooling trend: September → October (-14°F).
Weather Forecast
Wind speed and pressure trends
Hourly Wind Forecast
Wind Direction
326°
Pressure
1014 mb
Cloud Cover
94%
Visibility
12 miles
Daily Pressure Forecast


Frequently Asked Questions About Lake Thompson
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