The National Weather Service has issued an Excessive Heat Watch for much of central and southern Minnesota, including Wright County, for Tuesday and Wednesday. The combination of temperatures in the mid-90s and high dewpoints will result in dangerously high heat indices both days. The Heat Index for Tuesday is expected to be 99 degrees and climbing to 105 Wednesday with air temperatures barely dropping below 80 degrees overnight both tonight and tomorrow and air temperatures hitting approximately 95 both days.