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 11:06 AM and don’t miss the sunset at 12:48 AM. Today’s winds are traveling south at a speed of 19 MPH. The temperature feels like 71 with a humidity level of 79. Cloud coverage is 63 percent with 10.9 percent visibility. Today’s UV index is 4 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.