An unrelenting series of winter storms and an outbreak of cold air have killed multiple people across several states since Friday. Now, another round of extreme cold and snow will march across the central and eastern US, setting up more hazardous travel and a brutally cold weekend. Here’s the latest:

• More than three dozen storm-related deaths: At least 40 people have died across nine states since January 12. Fatalities have been reported in Arkansas, Illinois, Kansas, Mississippi, New York, Oregon, Pennsylvania, Tennessee and Wisconsin.