Traveling to St. Clair County Historical Society, Belleville, Illinois? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 12:41 PM and don’t miss the sunset at 10:46 PM. Today’s winds are traveling west-northwest at a speed of 11 MPH. The temperature feels like 52 with a humidity level of 88. Cloud coverage is 82 percent with 9.1 percent visibility. Today’s UV index is 1 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.