Another round of extreme heat has descended upon the state, and communities are taking action to keep people safe. Cooling centers are open in several areas to provide residents with relief from the heat. Forecasters said temperatures could reach or exceed 100 degrees over the next few days. Caldwell County health officials set up their cooling station Thursday at the senior center in Polo. It will be open daily from 9:00 a.m. to 4:00 p.m. The Caldwell County Senior Center is located at 410 Main Street.