National Weather Service
The Texas Secretary of State is advising county election officials to extend polling hours and combine voting locations in case of bad weather.
The National Weather Service warned people from northwest Louisiana to the Mississippi Coast to gear up for another blast of cold.
Temperatures rose a bit in north Texas, melting some of the ice on roads and highways.
Sub-freezing temperatures are expected to continue across much of the state.
Heavy downpours were very much apart of metro Houston mid-day Sunday, with some areas seeing one to two inches of rain or more.
At least two tornadoes touched down in Oklahoma and another hit Arkansas on Thursday as a powerful storm system moved through the middle of the country. At least one injury was reported when a home was hit in rural western Arkansas.
The National Weather Service says the tornado that hit Moore, Okla., was a top-of-the-scale EF-5 twister with winds of at least 200 mph.
More severe weather is in the forecast for parts of the central United States already reeling from powerful tornadoes this week.
Authorities say an elementary school in an Oklahoma City suburb took a direct hit from a mile-wide tornado.
Hearing on the radio that a violent storm was approaching her rural Oklahoma neighborhood, Lindsay Carter took advantage of the advanced warning, gathered her belongings and fled. When she returned, there was little left of the community she called home.