If you planning to travel to Lewis and Clark Interpretive Center, Hartford, 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 10:39 AM. The temperature feels like 85.25 with a humidity level of 82 so dress accordingly. Cloud coverage is 65 percent with visibility at 9 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 5 MPH. At the end of the day don’t miss the sunset at 1:29 AM.