While forecast models still have plenty of time to change significantly, here’s a timeline of the freeze, based on the latest information.

Houston has had measurable snowfall at least 20 times in its weather history, according to available data kept by the National Weather Service.

Houston will be mostly cloudy with mild temperatures around 55°F. A cold front will bring cooler weather for the weekend, with temperatures dropping to the 30s for the Houston Marathon. An Arctic blast is expected next week,

A blast of cold air is expected to move into Houston on Sunday, and we could see snow and ice early next week. Here's our forecast.