The KHOU 11 Weather Team has issued an hourly Weather Impact Alert as temperatures drop into the 20s overnight this weekend.

Houston is under winter weather alerts, facing a mix of sleet and freezing rain with potential for icy conditions and extreme cold.

National Weather Service predicts freezing temps might be even colder than expected for this weekend's winter storm, placing Houston under extreme cold watch.

As an Arctic blast barrels into Southeast Texas this weekend, Houston-area businesses and event organizers are announcing closures and cancellations due to the threat of freezing temperatures and potentially dangerous conditions.

Houston's National Weather Service office is part of a renewed hiring effort aimed at filling critical meteorologist and science roles.