If you planning to travel to Rock Springs Conservation Area, Decatur, Illinois, 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 12:40 PM. The temperature feels like 49 with a humidity level of 94 so dress accordingly. Cloud coverage is 83 percent with visibility at 7.8 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 12 MPH. At the end of the day don’t miss the sunset at 10:39 PM.