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If you planning to travel to Sylvan Lake, Custer, South Dakota, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 11:40 AM. The temperature feels like 35.65 with a humidity level of 56 so dress accordingly. Cloud coverage is 56 percent with visibility at 13.8 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 10 MPH. At the end of the day don’t miss the sunset at 2:01 AM.
