MedStar officials say they're bracing for more calls, especially as wind chills dip to 20 degrees. When this happens, they upgrade their response by adding lights and sirens to reach those in need more quickly. They're also advising residents to dress in layers and limit outdoor exposure, as frostbite can set in quickly.

The city of Fort Worth is preparing for Tuesday’s freezing temperatures by reminding residents of available resources for those experiencing homelessness.

Fort Worth, because the cold front is here. The region is expected to see high temperatures of around 45 degrees Sunday. But with wind chills from gusts up to 25 mph, it could feel like the temperature is in the teens and 20s in the morning,