Weather Forecast for Cahokia Mounds State Historic Site, Collinsville, Illinois

Traveling to Cahokia Mounds State Historic Site, Collinsville, 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 10:40 AM and don’t miss the sunset at 1:28 AM. Today’s winds are traveling south-southeast at a speed of 12 MPH. The temperature feels like 80 with a humidity level of 57. Cloud coverage is 4 percent with 14.6 percent visibility. Today’s UV index is 3 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.