HOUSTON — Houston officials are preparing for severe cold weather expected to hit the region Sunday night, with Mayor John Whitmire announcing the activation of warming centers across the city to protect vulnerable residents. RELATED: Timeline | Confidence growing that some type of wintry mix will be in Houston next week

The centers will allow vulnerable people to get out of the cold. Freezing temps move in Sunday morning. Locals call it the "little red dot," after its diminutive proportions on world maps, but Singapore punches above its weight when it comes to offering travelers luxury living.