Simple steps like allowing faucets to drip and covering outdoor pipes can save you from expensive repairs during this prolonged cold front.

According to the National Weather Service, these were the five coldest days in North Texas. A severe arctic blast affected much of the country during the first half of February in 1899. Temperatures fell below zero in every state. A century later, records from that coldest day remain unchallenged.

North Texas is preparing for a hard freeze after storms brought heavy rain and hail overnight Tuesday. Up to two inches of rain fell in parts of DFW Wednesday morning, causing flash flooding and a messy morning commute.