The National Weather Service issues a litany of notices before and during inclement weather events. They can be important signals on how to respond.

The Winter Storm Watch from the National Weather Service was expanded Thursday to include the Atlanta metro area. See which counties are impacted.

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

Follow live updates as a winter storm is expected to bring heavy snowfall, icy roads and cold temperatures from the southern states to the Northeast.

Houston is bracing for a weekend winter storm that brings the risk of freezing temperatures, dangerous wind chills and icy road conditions. Here are the latest updates on the forecast, what people need to do to prepare and the steps state and local leaders are taking ahead of the storm.

Ohio may face heavy snow and frigid temperatures as the winter storm moves in. Here's how much snow the state could get.