 We're still expecting Beryl to reach hurricane strength by the time it gets to the coast, and we could see some pretty quick strengthening here as the environment gets really favorable. Impact expected Monday between Matacorta Bay and Corpus Christi, where 10,000 sandbags were handed out Friday in an hour and a half. The village of Surfside Beach issuing a mandatory evacuation for all recreational vehicles and watercraft. Chris Fox for CBS News, Austin. Millions of Americans are under health threats amid a record-breaking heat wave.