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 12:36 PM. The temperature feels like 46.55 with a humidity level of 80 so dress accordingly. Cloud coverage is 3 percent with visibility at 11.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 9 MPH. At the end of the day don’t miss the sunset at 10:41 PM.