There are no active tropical cyclones at the time of this writing A broad trough of low pressure is expected to develop over the southwestern Caribbean Sea during the next couple of days. Some gradual development will be possible thereafter while the system moves slowly northwestward toward Central America. Regardless of development, this system could produce heavy rainfall across northern Colombia and portions of Central America from Honduras southward later this week and into the weekend. * Formation chance through 48 hours…low…near 0 percent * Formation chance through 5 days…low…20 percent