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 1:15 PM. The temperature feels like 35.5 with a humidity level of 98 so dress accordingly. Cloud coverage is 93 percent with visibility at 7 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 10:37 PM.