From Harlingen, Texas: Extreme heat is expected to continue through the weekend. Air temperatures are forecast to average 102 degrees, with heat index values reaching 113 degrees. Dry air and steady southeast winds will maintain this pattern.

The heat is expected to persist on Sunday, with a similar setup to the rest of the weekend. Blistering heat conditions will continue, with no change in the weather pattern anticipated. Further details on the extreme heat scenario are available from ValleyCentral, including the latest forecast updates and information on the duration of the heat wave.