"Arctic Blast Forces School Closures Across Texas"

North Texas school districts are deciding whether to cancel classes on Tuesday due to bitter cold and hazardous road conditions caused by an Arctic blast and a Hard Freeze Warning. Some districts have announced closures, while others plan to hold classes on a normal schedule. Temperatures are expected to remain well below freezing until Wednesday, with a thawout predicted for that day. The National Weather Service issued a Hard Freeze Warning from midnight Tuesday until 10 a.m. No additional precipitation is expected. Additionally, the article provides tips for cold weather preparation, including winterizing homes, protecting pipes, bringing in pets, safeguarding plants, turning off sprinkler systems, HVAC maintenance, monitoring swimming pools, and ensuring battery supplies.