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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 11:11 AM. The temperature feels like 69.9 with a humidity level of 36 so dress accordingly. Cloud coverage is 30 percent with visibility at 14.9 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 2:34 AM.
