From Harlingen, Texas: A heat dome effect is expected to bring above-normal temperatures to the Rio Grande Valley. This phenomenon is associated with a high-pressure system located near the Texas Panhandle. The heat dome will impact temperatures across much of the country, including the local area.

Residents of the Rio Grande Valley can expect the heat to build over the coming days. Further information on the heat dome's effects and duration is available from ValleyCentral, providing more details on the expected temperature changes.