Lake Thompson

Lake Thompson

Lake Preston, Kingsbury County, SD
19mi²
508.00ft
Directions
Lake Information

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.

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Current Conditions

48°F°
Feels like 30°F°
Windy
Today's High
59°F°
Today's Low
32°F°

Water Temperature

49°F
Updated: (Apr 26)
Sign in to contribute temps.

Current water temperature for Lake Thompson is 49°F.

Current Snapshot

Wind23 mph NNW (Gust 37 mph)
Pressure
29.69 inHg
Visibility13 mi
Humidity76%
Cloud Cover100%

Forecast: Tuesday, Apr 29

Day 1 of 9

Hourly Insights

7 AM
33°F°
10 AM
41°F°
1 PM
51°F°
4 PM
57°F°

Temperature

High
59°F°
Low
32°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

9mph
Avg Speed
Gusts up to
34mph
CalmModerateStrong
Max Speed20 mph

Sun, Moon & UV

Sunrise11:23 AM
Sunset1:32 AM
Moon PhasewaxingCrescent
Max UV Index7 (High)

Solunar Fishing Forecast

Action Rating
4/5

Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

7:51 PM - 10:21 PM

6:17 AM - 8:47 AM

Minor Times (Good)

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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April 28th 2025

Lake Information

Elevation
508 ft
Area
19 mi²
Coordinates
44.318, -97.429

Weather Forecast

Tuesday

59°F
32°F

Wednesday

66°F
45°F

Thursday

64°F
48°F

Friday

58°F
42°F

Saturday

71°F
40°F

Sunday

75°F
52°F

Monday

75°F
56°F

Tuesday

77°F
58°F

Wednesday

78°F
59°F
Tuesday - 4/29/2025
59°F
32°F
12am
40°F
49°F
29.95 hPa
20 mph
NW
G: 34 mph
2am
38°F
49°F
30.03 hPa
16 mph
NW
G: 30 mph
4am
35°F
49°F
30.08 hPa
14 mph
NNW
G: 26 mph
6am
33°F
49°F
30.14 hPa
10 mph
NW
G: 20 mph
8am
35°F
49°F
30.20 hPa
9 mph
NNW
G: 17 mph
10am
41°F
49°F
30.21 hPa
7 mph
NNW
G: 12 mph
12pm
48°F
49°F
30.20 hPa
6 mph
NW
G: 12 mph
2pm
54°F
49°F
30.16 hPa
4 mph
WNW
G: 10 mph
4pm
57°F
49°F
30.10 hPa
3 mph
SW
G: 8 mph
6pm
59°F
49°F
30.06 hPa
6 mph
SSW
G: 10 mph
8pm
55°F
49°F
30.05 hPa
6 mph
S
G: 9 mph
10pm
49°F
49°F
30.06 hPa
7 mph
SSE
G: 10 mph

Water Temperature History

Trends for Lake Thompson

Current Temp

Sign in to view

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

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm09182736

Wind Direction

326°

Pressure

1014 mb

Cloud Cover

94%

Visibility

12 miles

Daily Pressure Forecast

TueWedThuFriSatSunMonTueWed0.008.8617.7226.5835.44
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Frequently Asked Questions About Lake Thompson

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