Updated
Grass Lake
Lake
Rainy today
lake in Codington County, South Dakota, USA
Interactive map not available
Weather at Grass Lake
H: 81° L: 56°
Patchy rain nearby
74°
|
Feels like 72°
Precipitation
17%
Humidity
48%
Wind
5 mph
UV Index
0
Water Conditions:
🏊Cool but swimmable 🌧️Rain expected
12 AM
67°
3 AM
63°
6 AM
57°
9 AM
67°
12 PM
78°
3 PM
81°
6 PM
77°
9 PM
71°
Sponsored gear checklist
Pack smarter for Grass Lake
Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.
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Inflatable PaddleboardA popular way to explore calm coves and shorelines.
Compare on Amazon →Life JacketImportant around boats, paddling, and deeper swimming areas.
Compare on Amazon →Floating CoolerKeeps drinks nearby for swim areas, docks, and boats.
Compare on Amazon →Waterproof Phone PouchProtects phones around docks, boats, and splashy shorelines.
Compare on Amazon →Frequently asked questions
- Where is Grass Lake?
- Grass Lake is a lake in South Dakota.
- Can you swim at Grass Lake?
- There is no fixed answer for Grass Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Grass Lake in South Dakota. Check current water conditions before you go, and follow posted signs and local guidance.
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Water temperatureCrowds & parkingBest time to goSafety & access
Best Times to Visit
🌧️
Right Now
Not ideal for outdoor activities today
🏞️ Lakes Tips:
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)
Location & Contact
South Dakota
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