Biden declared Texas to be a major disaster freeing up federal funding to individuals for temporary housing At least 70 people died across the nation with 30 deaths in Texas alone since the storms struck They include 11-year-old Cristian Pavon who died from hypothermia while in his bed Senator Ted Cruz still facing criticism over mid-crisis trip to Cancun, while wife Heidi returned to US Saturday Warmer temperatures are now covering the southern US with temperatures expected to reach 70F on Sunday More than 300,000 are still without power, many of them in Texas, Louisiana and Mississippi