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 12:39 PM. The temperature feels like 43.8 with a humidity level of 87 so dress accordingly. Cloud coverage is 83 percent with visibility at 10 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 13 MPH. At the end of the day don’t miss the sunset at 10:40 PM.