 Tropical storm Beryl is expected to strengthen before hitting South Texas late Sunday or early Monday. Port Isabel City Manager Jared Hakema. What we urge people to do is to continue to prepare at home, make sure they've got their supplies ready, make sure their homes are ready, any loose items are tied down. A heat wave has much of the U.S. in its grips. CBS's Elise Preston. The West Coast is sizzling under extreme heat, with several cities reaching temperatures 15 to 30 degrees above normal for this time of year.